From e3f64af5d3a9569fb2f29679fb4072e8d3fc88bd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=9D=9E=E6=B3=95=E6=93=8D=E4=BD=9C?= <hjlarry@163.com>
Date: Wed, 29 Oct 2025 14:33:43 +0800
Subject: [PATCH] chore: add more stories (#27403)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
---
 web/.storybook/utils/form-story-wrapper.tsx   |  83 +++
 .../base/action-button/index.stories.tsx      |   2 +-
 .../base/agent-log-modal/index.stories.tsx    | 146 +++++
 .../base/answer-icon/index.stories.tsx        | 107 ++++
 .../base/app-icon-picker/index.stories.tsx    |  91 +++
 .../base/app-icon/index.stories.tsx           | 108 ++++
 .../base/audio-btn/index.stories.tsx          |   2 +-
 .../base/audio-gallery/index.stories.tsx      |  37 ++
 .../auto-height-textarea/index.stories.tsx    |   2 +-
 .../components/base/avatar/index.stories.tsx  |  73 +++
 .../components/base/badge/index.stories.tsx   |  73 +++
 .../base/block-input/index.stories.tsx        |   2 +-
 .../base/button/add-button.stories.tsx        |   2 +-
 .../components/base/button/index.stories.tsx  |   2 +-
 .../base/button/sync-button.stories.tsx       |   2 +-
 .../base/chat/chat/answer/index.stories.tsx   |   2 +-
 .../base/chat/chat/question.stories.tsx       |   2 +-
 .../base/checkbox/index.stories.tsx           |   2 +-
 .../components/base/chip/index.stories.tsx    |  88 +++
 .../components/base/confirm/index.stories.tsx |   2 +-
 .../base/content-dialog/index.stories.tsx     |   6 +-
 .../base/copy-feedback/index.stories.tsx      |  54 ++
 .../base/copy-icon/index.stories.tsx          |  68 +++
 .../base/corner-label/index.stories.tsx       |  53 ++
 .../date-and-time-picker/index.stories.tsx    | 101 ++++
 .../components/base/dialog/index.stories.tsx  |   3 +-
 .../components/base/divider/index.stories.tsx |  46 ++
 .../base/drawer-plus/index.stories.tsx        | 124 ++++
 .../components/base/drawer/index.stories.tsx  | 114 ++++
 .../base/dropdown/index.stories.tsx           |  85 +++
 .../components/base/effect/index.stories.tsx  |  39 ++
 .../base/emoji-picker/Inner.stories.tsx       |  57 ++
 .../base/emoji-picker/index.stories.tsx       |  91 +++
 .../base/features/index.stories.tsx           |  73 +++
 .../base/file-icon/index.stories.tsx          |  79 +++
 .../file-image-render.stories.tsx             |  32 +
 .../base/file-uploader/file-list.stories.tsx  |  96 +++
 .../file-uploader/file-type-icon.stories.tsx  |  38 ++
 .../index.stories.tsx                         | 110 ++++
 .../index.stories.tsx                         |  95 +++
 .../float-right-container/index.stories.tsx   |  74 +++
 .../components/base/form/index.stories.tsx    | 559 ++++++++++++++++++
 .../base/fullscreen-modal/index.stories.tsx   |  59 ++
 .../base/grid-mask/index.stories.tsx          |  51 ++
 .../base/image-gallery/index.stories.tsx      |  39 ++
 .../image-uploader/image-list.stories.tsx     | 182 ++++++
 .../inline-delete-confirm/index.stories.tsx   |  87 +++
 .../base/input-number/index.stories.tsx       |   2 +-
 .../components/base/input/index.stories.tsx   |   2 +-
 .../base/linked-apps-panel/index.stories.tsx  |  72 +++
 .../base/list-empty/index.stories.tsx         |  49 ++
 .../components/base/loading/index.stories.tsx |  52 ++
 .../components/base/logo/index.stories.tsx    |  82 +++
 .../markdown-blocks/code-block.stories.tsx    |  70 +++
 .../markdown-blocks/think-block.stories.tsx   |  78 +++
 .../base/markdown/index.stories.tsx           |  88 +++
 .../components/base/mermaid/index.stories.tsx |  64 ++
 .../base/message-log-modal/index.stories.tsx  | 185 ++++++
 .../base/modal-like-wrap/index.stories.tsx    |   2 +-
 .../components/base/modal/index.stories.tsx   |   2 +-
 .../components/base/modal/modal.stories.tsx   |   2 +-
 .../base/new-audio-button/index.stories.tsx   |   2 +-
 .../base/notion-connector/index.stories.tsx   |  26 +
 .../base/notion-icon/index.stories.tsx        | 129 ++++
 .../notion-page-selector/index.stories.tsx    | 200 +++++++
 .../base/pagination/index.stories.tsx         |  81 +++
 .../base/param-item/index.stories.tsx         | 121 ++++
 .../components/base/popover/index.stories.tsx | 120 ++++
 .../portal-to-follow-elem/index.stories.tsx   | 103 ++++
 .../base/premium-badge/index.stories.tsx      |  64 ++
 .../progress-bar/progress-circle.stories.tsx  |  89 +++
 .../base/prompt-editor/index.stories.tsx      |   2 +-
 .../base/prompt-log-modal/index.stories.tsx   |  74 +++
 .../components/base/qrcode/index.stories.tsx  |  52 ++
 .../base/radio-card/index.stories.tsx         |   2 +-
 .../components/base/radio/index.stories.tsx   |   2 +-
 .../base/search-input/index.stories.tsx       |   2 +-
 .../base/segmented-control/index.stories.tsx  |  92 +++
 .../components/base/select/index.stories.tsx  |   2 +-
 .../base/simple-pie-chart/index.stories.tsx   |  89 +++
 .../base/skeleton/index.stories.tsx           |  59 ++
 .../components/base/slider/index.stories.tsx  |   2 +-
 .../components/base/sort/index.stories.tsx    |  59 ++
 .../components/base/spinner/index.stories.tsx |  50 ++
 .../base/svg-gallery/index.stories.tsx        |  51 ++
 web/app/components/base/svg/index.stories.tsx |  36 ++
 .../components/base/switch/index.stories.tsx  |   2 +-
 .../base/tab-header/index.stories.tsx         |  64 ++
 .../base/tab-slider-new/index.stories.tsx     |  52 ++
 .../base/tab-slider-plain/index.stories.tsx   |  56 ++
 .../base/tab-slider/index.stories.tsx         |  93 +++
 .../base/tag-input/index.stories.tsx          |   2 +-
 .../base/tag-management/index.stories.tsx     | 131 ++++
 web/app/components/base/tag/index.stories.tsx |  62 ++
 .../base/textarea/index.stories.tsx           |   2 +-
 .../components/base/toast/index.stories.tsx   | 104 ++++
 .../components/base/tooltip/index.stories.tsx |  60 ++
 .../base/video-gallery/index.stories.tsx      |  40 ++
 .../base/voice-input/index.stories.tsx        |   2 +-
 .../with-input-validation/index.stories.tsx   |   2 +-
 100 files changed, 6144 insertions(+), 30 deletions(-)
 create mode 100644 web/.storybook/utils/form-story-wrapper.tsx
 create mode 100644 web/app/components/base/agent-log-modal/index.stories.tsx
 create mode 100644 web/app/components/base/answer-icon/index.stories.tsx
 create mode 100644 web/app/components/base/app-icon-picker/index.stories.tsx
 create mode 100644 web/app/components/base/app-icon/index.stories.tsx
 create mode 100644 web/app/components/base/audio-gallery/index.stories.tsx
 create mode 100644 web/app/components/base/avatar/index.stories.tsx
 create mode 100644 web/app/components/base/badge/index.stories.tsx
 create mode 100644 web/app/components/base/chip/index.stories.tsx
 create mode 100644 web/app/components/base/copy-feedback/index.stories.tsx
 create mode 100644 web/app/components/base/copy-icon/index.stories.tsx
 create mode 100644 web/app/components/base/corner-label/index.stories.tsx
 create mode 100644 web/app/components/base/date-and-time-picker/index.stories.tsx
 create mode 100644 web/app/components/base/divider/index.stories.tsx
 create mode 100644 web/app/components/base/drawer-plus/index.stories.tsx
 create mode 100644 web/app/components/base/drawer/index.stories.tsx
 create mode 100644 web/app/components/base/dropdown/index.stories.tsx
 create mode 100644 web/app/components/base/effect/index.stories.tsx
 create mode 100644 web/app/components/base/emoji-picker/Inner.stories.tsx
 create mode 100644 web/app/components/base/emoji-picker/index.stories.tsx
 create mode 100644 web/app/components/base/features/index.stories.tsx
 create mode 100644 web/app/components/base/file-icon/index.stories.tsx
 create mode 100644 web/app/components/base/file-uploader/file-image-render.stories.tsx
 create mode 100644 web/app/components/base/file-uploader/file-list.stories.tsx
 create mode 100644 web/app/components/base/file-uploader/file-type-icon.stories.tsx
 create mode 100644 web/app/components/base/file-uploader/file-uploader-in-attachment/index.stories.tsx
 create mode 100644 web/app/components/base/file-uploader/file-uploader-in-chat-input/index.stories.tsx
 create mode 100644 web/app/components/base/float-right-container/index.stories.tsx
 create mode 100644 web/app/components/base/form/index.stories.tsx
 create mode 100644 web/app/components/base/fullscreen-modal/index.stories.tsx
 create mode 100644 web/app/components/base/grid-mask/index.stories.tsx
 create mode 100644 web/app/components/base/image-gallery/index.stories.tsx
 create mode 100644 web/app/components/base/image-uploader/image-list.stories.tsx
 create mode 100644 web/app/components/base/inline-delete-confirm/index.stories.tsx
 create mode 100644 web/app/components/base/linked-apps-panel/index.stories.tsx
 create mode 100644 web/app/components/base/list-empty/index.stories.tsx
 create mode 100644 web/app/components/base/loading/index.stories.tsx
 create mode 100644 web/app/components/base/logo/index.stories.tsx
 create mode 100644 web/app/components/base/markdown-blocks/code-block.stories.tsx
 create mode 100644 web/app/components/base/markdown-blocks/think-block.stories.tsx
 create mode 100644 web/app/components/base/markdown/index.stories.tsx
 create mode 100644 web/app/components/base/mermaid/index.stories.tsx
 create mode 100644 web/app/components/base/message-log-modal/index.stories.tsx
 create mode 100644 web/app/components/base/notion-connector/index.stories.tsx
 create mode 100644 web/app/components/base/notion-icon/index.stories.tsx
 create mode 100644 web/app/components/base/notion-page-selector/index.stories.tsx
 create mode 100644 web/app/components/base/pagination/index.stories.tsx
 create mode 100644 web/app/components/base/param-item/index.stories.tsx
 create mode 100644 web/app/components/base/popover/index.stories.tsx
 create mode 100644 web/app/components/base/portal-to-follow-elem/index.stories.tsx
 create mode 100644 web/app/components/base/premium-badge/index.stories.tsx
 create mode 100644 web/app/components/base/progress-bar/progress-circle.stories.tsx
 create mode 100644 web/app/components/base/prompt-log-modal/index.stories.tsx
 create mode 100644 web/app/components/base/qrcode/index.stories.tsx
 create mode 100644 web/app/components/base/segmented-control/index.stories.tsx
 create mode 100644 web/app/components/base/simple-pie-chart/index.stories.tsx
 create mode 100644 web/app/components/base/skeleton/index.stories.tsx
 create mode 100644 web/app/components/base/sort/index.stories.tsx
 create mode 100644 web/app/components/base/spinner/index.stories.tsx
 create mode 100644 web/app/components/base/svg-gallery/index.stories.tsx
 create mode 100644 web/app/components/base/svg/index.stories.tsx
 create mode 100644 web/app/components/base/tab-header/index.stories.tsx
 create mode 100644 web/app/components/base/tab-slider-new/index.stories.tsx
 create mode 100644 web/app/components/base/tab-slider-plain/index.stories.tsx
 create mode 100644 web/app/components/base/tab-slider/index.stories.tsx
 create mode 100644 web/app/components/base/tag-management/index.stories.tsx
 create mode 100644 web/app/components/base/tag/index.stories.tsx
 create mode 100644 web/app/components/base/toast/index.stories.tsx
 create mode 100644 web/app/components/base/tooltip/index.stories.tsx
 create mode 100644 web/app/components/base/video-gallery/index.stories.tsx

diff --git a/web/.storybook/utils/form-story-wrapper.tsx b/web/.storybook/utils/form-story-wrapper.tsx
new file mode 100644
index 0000000000..689c3a20ff
--- /dev/null
+++ b/web/.storybook/utils/form-story-wrapper.tsx
@@ -0,0 +1,83 @@
+import { useState } from 'react'
+import type { ReactNode } from 'react'
+import { useStore } from '@tanstack/react-form'
+import { useAppForm } from '@/app/components/base/form'
+
+type UseAppFormOptions = Parameters<typeof useAppForm>[0]
+type AppFormInstance = ReturnType<typeof useAppForm>
+
+type FormStoryWrapperProps = {
+  options?: UseAppFormOptions
+  children: (form: AppFormInstance) => ReactNode
+  title?: string
+  subtitle?: string
+}
+
+export const FormStoryWrapper = ({
+  options,
+  children,
+  title,
+  subtitle,
+}: FormStoryWrapperProps) => {
+  const [lastSubmitted, setLastSubmitted] = useState<unknown>(null)
+  const [submitCount, setSubmitCount] = useState(0)
+
+  const form = useAppForm({
+    ...options,
+    onSubmit: (context) => {
+      setSubmitCount(count => count + 1)
+      setLastSubmitted(context.value)
+      options?.onSubmit?.(context)
+    },
+  })
+
+  const values = useStore(form.store, state => state.values)
+  const isSubmitting = useStore(form.store, state => state.isSubmitting)
+  const canSubmit = useStore(form.store, state => state.canSubmit)
+
+  return (
+    <div className="flex flex-col gap-6 px-6 md:flex-row md:px-10">
+      <div className="flex-1 space-y-4">
+        {(title || subtitle) && (
+          <header className="space-y-1">
+            {title && <h3 className="text-lg font-semibold text-text-primary">{title}</h3>}
+            {subtitle && <p className="text-sm text-text-tertiary">{subtitle}</p>}
+          </header>
+        )}
+        {children(form)}
+      </div>
+      <aside className="w-full max-w-sm rounded-xl border border-divider-subtle bg-components-panel-bg p-4 text-xs text-text-secondary shadow-sm">
+        <div className="flex items-center justify-between text-[11px] uppercase tracking-wide text-text-tertiary">
+          <span>Form State</span>
+          <span>{submitCount} submit{submitCount === 1 ? '' : 's'}</span>
+        </div>
+        <dl className="mt-2 space-y-1">
+          <div className="flex items-center justify-between rounded-md bg-components-button-tertiary-bg px-2 py-1">
+            <dt className="font-medium text-text-secondary">isSubmitting</dt>
+            <dd className="font-mono text-[11px] text-text-primary">{String(isSubmitting)}</dd>
+          </div>
+          <div className="flex items-center justify-between rounded-md bg-components-button-tertiary-bg px-2 py-1">
+            <dt className="font-medium text-text-secondary">canSubmit</dt>
+            <dd className="font-mono text-[11px] text-text-primary">{String(canSubmit)}</dd>
+          </div>
+        </dl>
+        <div className="mt-3 space-y-2">
+          <div>
+            <div className="mb-1 font-medium text-text-secondary">Current Values</div>
+            <pre className="max-h-48 overflow-auto rounded-md bg-background-default-subtle p-3 font-mono text-[11px] leading-tight text-text-primary">
+              {JSON.stringify(values, null, 2)}
+            </pre>
+          </div>
+          <div>
+            <div className="mb-1 font-medium text-text-secondary">Last Submission</div>
+            <pre className="max-h-40 overflow-auto rounded-md bg-background-default-subtle p-3 font-mono text-[11px] leading-tight text-text-primary">
+              {lastSubmitted ? JSON.stringify(lastSubmitted, null, 2) : '—'}
+            </pre>
+          </div>
+        </div>
+      </aside>
+    </div>
+  )
+}
+
+export type FormStoryRender = (form: AppFormInstance) => ReactNode
diff --git a/web/app/components/base/action-button/index.stories.tsx b/web/app/components/base/action-button/index.stories.tsx
index dd826c41ba..07e0592374 100644
--- a/web/app/components/base/action-button/index.stories.tsx
+++ b/web/app/components/base/action-button/index.stories.tsx
@@ -3,7 +3,7 @@ import { RiAddLine, RiDeleteBinLine, RiEditLine, RiMore2Fill, RiSaveLine, RiShar
 import ActionButton, { ActionButtonState } from '.'
 
 const meta = {
-  title: 'Base/Button/ActionButton',
+  title: 'Base/General/ActionButton',
   component: ActionButton,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/agent-log-modal/index.stories.tsx b/web/app/components/base/agent-log-modal/index.stories.tsx
new file mode 100644
index 0000000000..b512c8c581
--- /dev/null
+++ b/web/app/components/base/agent-log-modal/index.stories.tsx
@@ -0,0 +1,146 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useEffect, useRef } from 'react'
+import AgentLogModal from '.'
+import { ToastProvider } from '@/app/components/base/toast'
+import { useStore as useAppStore } from '@/app/components/app/store'
+import type { IChatItem } from '@/app/components/base/chat/chat/type'
+import type { AgentLogDetailResponse } from '@/models/log'
+
+const MOCK_RESPONSE: AgentLogDetailResponse = {
+  meta: {
+    status: 'finished',
+    executor: 'Agent Runner',
+    start_time: '2024-03-12T10:00:00Z',
+    elapsed_time: 12.45,
+    total_tokens: 2589,
+    agent_mode: 'ReACT',
+    iterations: 2,
+    error: undefined,
+  },
+  iterations: [
+    {
+      created_at: '2024-03-12T10:00:05Z',
+      files: [],
+      thought: JSON.stringify({ reasoning: 'Summarise conversation' }, null, 2),
+      tokens: 934,
+      tool_calls: [
+        {
+          status: 'success',
+          tool_icon: null,
+          tool_input: { query: 'Latest revenue numbers' },
+          tool_output: { answer: 'Revenue up 12% QoQ' },
+          tool_name: 'search',
+          tool_label: {
+            'en-US': 'Revenue Search',
+          },
+          time_cost: 1.8,
+        },
+      ],
+      tool_raw: {
+        inputs: JSON.stringify({ context: 'Summaries' }, null, 2),
+        outputs: JSON.stringify({ observation: 'Revenue up 12% QoQ' }, null, 2),
+      },
+    },
+    {
+      created_at: '2024-03-12T10:00:09Z',
+      files: [],
+      thought: JSON.stringify({ final: 'Revenue increased 12% quarter-over-quarter.' }, null, 2),
+      tokens: 642,
+      tool_calls: [],
+      tool_raw: {
+        inputs: JSON.stringify({ context: 'Compose summary' }, null, 2),
+        outputs: JSON.stringify({ observation: 'Final answer ready' }, null, 2),
+      },
+    },
+  ],
+  files: [],
+}
+
+const MOCK_CHAT_ITEM: IChatItem = {
+  id: 'message-1',
+  content: JSON.stringify({ answer: 'Revenue grew 12% QoQ.' }, null, 2),
+  input: JSON.stringify({ question: 'Summarise revenue trends.' }, null, 2),
+  isAnswer: true,
+  conversationId: 'conv-123',
+}
+
+const AgentLogModalDemo = ({
+  width = 960,
+}: {
+  width?: number
+}) => {
+  const originalFetchRef = useRef<typeof globalThis.fetch>(null)
+  const setAppDetail = useAppStore(state => state.setAppDetail)
+
+  useEffect(() => {
+    setAppDetail({
+      id: 'app-1',
+      name: 'Analytics Agent',
+      mode: 'agent-chat',
+    } as any)
+
+    originalFetchRef.current = globalThis.fetch?.bind(globalThis)
+
+    const handler = async (input: RequestInfo | URL, init?: RequestInit) => {
+      const request = input instanceof Request ? input : new Request(input, init)
+      const url = request.url
+      const parsed = new URL(url, window.location.origin)
+
+      if (parsed.pathname.endsWith('/apps/app-1/agent/logs')) {
+        return new Response(JSON.stringify(MOCK_RESPONSE), {
+          status: 200,
+          headers: { 'Content-Type': 'application/json' },
+        })
+      }
+
+      if (originalFetchRef.current)
+        return originalFetchRef.current(request)
+
+      throw new Error(`Unhandled request: ${url}`)
+    }
+
+    globalThis.fetch = handler as typeof globalThis.fetch
+
+    return () => {
+      if (originalFetchRef.current)
+        globalThis.fetch = originalFetchRef.current
+      setAppDetail(undefined)
+    }
+  }, [setAppDetail])
+
+  return (
+    <ToastProvider>
+      <div className="relative min-h-[540px] w-full bg-background-default-subtle p-6">
+        <AgentLogModal
+          currentLogItem={MOCK_CHAT_ITEM}
+          width={width}
+          onCancel={() => {
+            console.log('Agent log modal closed')
+          }}
+        />
+      </div>
+    </ToastProvider>
+  )
+}
+
+const meta = {
+  title: 'Base/Other/AgentLogModal',
+  component: AgentLogModalDemo,
+  parameters: {
+    layout: 'fullscreen',
+    docs: {
+      description: {
+        component: 'Agent execution viewer showing iterations, tool calls, and metadata. Fetch responses are mocked for Storybook.',
+      },
+    },
+  },
+  args: {
+    width: 960,
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof AgentLogModalDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/answer-icon/index.stories.tsx b/web/app/components/base/answer-icon/index.stories.tsx
new file mode 100644
index 0000000000..0928d9cda6
--- /dev/null
+++ b/web/app/components/base/answer-icon/index.stories.tsx
@@ -0,0 +1,107 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import type { ReactNode } from 'react'
+import AnswerIcon from '.'
+
+const SAMPLE_IMAGE = 'data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="80" height="80"><rect width="80" height="80" rx="40" ry="40" fill="%23EEF2FF"/><text x="50%" y="55%" dominant-baseline="middle" text-anchor="middle" font-size="34" font-family="Arial" fill="%233256D4">AI</text></svg>'
+
+const meta = {
+  title: 'Base/General/AnswerIcon',
+  component: AnswerIcon,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Circular avatar used for assistant answers. Supports emoji, solid background colour, or uploaded imagery.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    icon: '🤖',
+    background: '#D5F5F6',
+  },
+} satisfies Meta<typeof AnswerIcon>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const StoryWrapper = (children: ReactNode) => (
+  <div className="flex items-center gap-6">
+    {children}
+  </div>
+)
+
+export const Default: Story = {
+  render: args => StoryWrapper(
+    <div className="h-16 w-16">
+      <AnswerIcon {...args} />
+    </div>,
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<div className="h-16 w-16">
+  <AnswerIcon icon="🤖" background="#D5F5F6" />
+</div>
+        `.trim(),
+      },
+    },
+  },
+}
+
+export const CustomEmoji: Story = {
+  render: args => StoryWrapper(
+    <>
+      <div className="h-16 w-16">
+        <AnswerIcon {...args} icon="🧠" background="#FEE4E2" />
+      </div>
+      <div className="h-16 w-16">
+        <AnswerIcon {...args} icon="🛠️" background="#EEF2FF" />
+      </div>
+    </>,
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<div className="flex gap-4">
+  <div className="h-16 w-16">
+    <AnswerIcon icon="🧠" background="#FEE4E2" />
+  </div>
+  <div className="h-16 w-16">
+    <AnswerIcon icon="🛠️" background="#EEF2FF" />
+  </div>
+</div>
+        `.trim(),
+      },
+    },
+  },
+}
+
+export const ImageIcon: Story = {
+  render: args => StoryWrapper(
+    <div className="h-16 w-16">
+      <AnswerIcon
+        {...args}
+        iconType="image"
+        imageUrl={SAMPLE_IMAGE}
+        background={undefined}
+      />
+    </div>,
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<AnswerIcon
+  iconType="image"
+  imageUrl="data:image/svg+xml;utf8,&lt;svg ...&gt;"
+/>
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/app-icon-picker/index.stories.tsx b/web/app/components/base/app-icon-picker/index.stories.tsx
new file mode 100644
index 0000000000..bd0ec0e200
--- /dev/null
+++ b/web/app/components/base/app-icon-picker/index.stories.tsx
@@ -0,0 +1,91 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import AppIconPicker, { type AppIconSelection } from '.'
+
+const meta = {
+  title: 'Base/Data Entry/AppIconPicker',
+  component: AppIconPicker,
+  parameters: {
+    layout: 'fullscreen',
+    docs: {
+      description: {
+        component: 'Modal workflow for choosing an application avatar. Users can switch between emoji selections and image uploads (when enabled).',
+      },
+    },
+    nextjs: {
+      appDirectory: true,
+      navigation: {
+        pathname: '/apps/demo-app/icon-picker',
+        params: { appId: 'demo-app' },
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof AppIconPicker>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const AppIconPickerDemo = () => {
+  const [open, setOpen] = useState(false)
+  const [selection, setSelection] = useState<AppIconSelection | null>(null)
+
+  return (
+    <div className="flex min-h-[320px] flex-col items-start gap-4 px-6 py-8 md:px-12">
+      <button
+        type="button"
+        className="rounded-md bg-primary-600 px-4 py-2 text-sm font-medium text-white shadow-sm hover:bg-primary-700"
+        onClick={() => setOpen(true)}
+      >
+        Choose icon…
+      </button>
+
+      <div className="rounded-lg border border-divider-subtle bg-components-panel-bg p-4 text-sm text-text-secondary shadow-sm">
+        <div className="font-medium text-text-primary">Selection preview</div>
+        <pre className="mt-2 max-h-44 overflow-auto rounded-md bg-background-default-subtle p-3 font-mono text-xs leading-tight text-text-primary">
+          {selection ? JSON.stringify(selection, null, 2) : 'No icon selected yet.'}
+        </pre>
+      </div>
+
+      {open && (
+        <AppIconPicker
+          onSelect={(result) => {
+            setSelection(result)
+            setOpen(false)
+          }}
+          onClose={() => setOpen(false)}
+        />
+      )}
+    </div>
+  )
+}
+
+export const Playground: Story = {
+  render: () => <AppIconPickerDemo />,
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+const [open, setOpen] = useState(false)
+const [selection, setSelection] = useState<AppIconSelection | null>(null)
+
+return (
+  <>
+    <button onClick={() => setOpen(true)}>Choose icon…</button>
+    {open && (
+      <AppIconPicker
+        onSelect={(result) => {
+          setSelection(result)
+          setOpen(false)
+        }}
+        onClose={() => setOpen(false)}
+      />
+    )}
+  </>
+)
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/app-icon/index.stories.tsx b/web/app/components/base/app-icon/index.stories.tsx
new file mode 100644
index 0000000000..9fdffb54b0
--- /dev/null
+++ b/web/app/components/base/app-icon/index.stories.tsx
@@ -0,0 +1,108 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import type { ComponentProps } from 'react'
+import AppIcon from '.'
+
+const meta = {
+  title: 'Base/General/AppIcon',
+  component: AppIcon,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Reusable avatar for applications and workflows. Supports emoji or uploaded imagery, rounded mode, edit overlays, and multiple sizes.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    icon: '🧭',
+    background: '#FFEAD5',
+    size: 'medium',
+    rounded: false,
+  },
+} satisfies Meta<typeof AppIcon>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Default: Story = {
+  render: args => (
+    <div className="flex items-center gap-4">
+      <AppIcon {...args} />
+      <AppIcon {...args} rounded icon="🧠" background="#E0F2FE" />
+    </div>
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<AppIcon icon="🧭" background="#FFEAD5" />
+<AppIcon icon="🧠" background="#E0F2FE" rounded />
+        `.trim(),
+      },
+    },
+  },
+}
+
+export const Sizes: Story = {
+  render: (args) => {
+    const sizes: Array<ComponentProps<typeof AppIcon>['size']> = ['xs', 'tiny', 'small', 'medium', 'large', 'xl', 'xxl']
+    return (
+      <div className="flex flex-wrap items-end gap-4">
+        {sizes.map(size => (
+          <div key={size} className="flex flex-col items-center gap-2">
+            <AppIcon {...args} size={size} icon="🚀" background="#E5DEFF" />
+            <span className="text-xs uppercase text-text-tertiary">{size}</span>
+          </div>
+        ))}
+      </div>
+    )
+  },
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+{(['xs','tiny','small','medium','large','xl','xxl'] as const).map(size => (
+  <AppIcon key={size} size={size} icon="🚀" background="#E5DEFF" />
+))}
+        `.trim(),
+      },
+    },
+  },
+}
+
+export const WithEditOverlay: Story = {
+  render: args => (
+    <div className="flex items-center gap-4">
+      <AppIcon
+        {...args}
+        icon="🛠️"
+        background="#E7F5FF"
+        showEditIcon
+      />
+      <AppIcon
+        {...args}
+        iconType="image"
+        background={undefined}
+        imageUrl="data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='80' height='80'><rect width='80' height='80' rx='16' fill='%23CBD5F5'/><text x='50%' y='54%' dominant-baseline='middle' text-anchor='middle' font-size='30' font-family='Arial' fill='%231f2937'>AI</text></svg>"
+        showEditIcon
+      />
+    </div>
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<AppIcon icon="🛠️" background="#E7F5FF" showEditIcon />
+<AppIcon
+  iconType="image"
+  imageUrl="data:image/svg+xml;utf8,&lt;svg ...&gt;"
+  showEditIcon
+/>
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/audio-btn/index.stories.tsx b/web/app/components/base/audio-btn/index.stories.tsx
index 8dc82d3413..1c989b80a6 100644
--- a/web/app/components/base/audio-btn/index.stories.tsx
+++ b/web/app/components/base/audio-btn/index.stories.tsx
@@ -20,7 +20,7 @@ const StoryWrapper = (props: ComponentProps<typeof AudioBtn>) => {
 }
 
 const meta = {
-  title: 'Base/Button/AudioBtn',
+  title: 'Base/General/AudioBtn',
   component: AudioBtn,
   tags: ['autodocs'],
   parameters: {
diff --git a/web/app/components/base/audio-gallery/index.stories.tsx b/web/app/components/base/audio-gallery/index.stories.tsx
new file mode 100644
index 0000000000..539ab9e332
--- /dev/null
+++ b/web/app/components/base/audio-gallery/index.stories.tsx
@@ -0,0 +1,37 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import AudioGallery from '.'
+
+const AUDIO_SOURCES = [
+  'https://interactive-examples.mdn.mozilla.net/media/cc0-audio/t-rex-roar.mp3',
+]
+
+const meta = {
+  title: 'Base/Data Display/AudioGallery',
+  component: AudioGallery,
+  parameters: {
+    docs: {
+      description: {
+        component: 'List of audio players that render waveform previews and playback controls for each source.',
+      },
+      source: {
+        language: 'tsx',
+        code: `
+<AudioGallery
+  srcs={[
+    'https://interactive-examples.mdn.mozilla.net/media/cc0-audio/t-rex-roar.mp3',
+  ]}
+/>
+        `.trim(),
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    srcs: AUDIO_SOURCES,
+  },
+} satisfies Meta<typeof AudioGallery>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Default: Story = {}
diff --git a/web/app/components/base/auto-height-textarea/index.stories.tsx b/web/app/components/base/auto-height-textarea/index.stories.tsx
index a9234fac9d..d0f36e4736 100644
--- a/web/app/components/base/auto-height-textarea/index.stories.tsx
+++ b/web/app/components/base/auto-height-textarea/index.stories.tsx
@@ -3,7 +3,7 @@ import { useState } from 'react'
 import AutoHeightTextarea from '.'
 
 const meta = {
-  title: 'Base/Input/AutoHeightTextarea',
+  title: 'Base/Data Entry/AutoHeightTextarea',
   component: AutoHeightTextarea,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/avatar/index.stories.tsx b/web/app/components/base/avatar/index.stories.tsx
new file mode 100644
index 0000000000..1b3dc3eb3b
--- /dev/null
+++ b/web/app/components/base/avatar/index.stories.tsx
@@ -0,0 +1,73 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import Avatar from '.'
+
+const meta = {
+  title: 'Base/Data Display/Avatar',
+  component: Avatar,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Initials or image-based avatar used across contacts and member lists. Falls back to the first letter when the image fails to load.',
+      },
+      source: {
+        language: 'tsx',
+        code: `
+<Avatar name="Alex Doe" avatar="https://cloud.dify.ai/logo/logo.svg" size={40} />
+        `.trim(),
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    name: 'Alex Doe',
+    avatar: 'https://cloud.dify.ai/logo/logo.svg',
+    size: 40,
+  },
+} satisfies Meta<typeof Avatar>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Default: Story = {}
+
+export const WithFallback: Story = {
+  args: {
+    avatar: null,
+    name: 'Fallback',
+  },
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<Avatar name="Fallback" avatar={null} size={40} />
+        `.trim(),
+      },
+    },
+  },
+}
+
+export const CustomSizes: Story = {
+  render: args => (
+    <div className="flex items-end gap-4">
+      {[24, 32, 48, 64].map(size => (
+        <div key={size} className="flex flex-col items-center gap-2">
+          <Avatar {...args} size={size} avatar="https://i.pravatar.cc/96?u=size-test" />
+          <span className="text-xs text-text-tertiary">{size}px</span>
+        </div>
+      ))}
+    </div>
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+{[24, 32, 48, 64].map(size => (
+  <Avatar key={size} name="Size Test" size={size} avatar="https://i.pravatar.cc/96?u=size-test" />
+))}
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/badge/index.stories.tsx b/web/app/components/base/badge/index.stories.tsx
new file mode 100644
index 0000000000..e1fe8cb271
--- /dev/null
+++ b/web/app/components/base/badge/index.stories.tsx
@@ -0,0 +1,73 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import Badge from '../badge'
+
+const meta = {
+  title: 'Base/Data Display/Badge',
+  component: Badge,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Compact label used for statuses and counts. Supports uppercase styling and optional red corner marks.',
+      },
+      source: {
+        language: 'tsx',
+        code: `
+<Badge text="beta" />
+        `.trim(),
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    text: 'beta',
+    uppercase: true,
+  },
+} satisfies Meta<typeof Badge>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Default: Story = {}
+
+export const WithCornerMark: Story = {
+  args: {
+    text: 'new',
+    hasRedCornerMark: true,
+  },
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<Badge text="new" hasRedCornerMark />
+        `.trim(),
+      },
+    },
+  },
+}
+
+export const CustomContent: Story = {
+  render: args => (
+    <Badge {...args} uppercase={false}>
+      <span className="flex items-center gap-1">
+        <span className="h-2 w-2 rounded-full bg-emerald-400" />
+        Production
+      </span>
+    </Badge>
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<Badge uppercase={false}>
+  <span className="flex items-center gap-1">
+    <span className="h-2 w-2 rounded-full bg-emerald-400" />
+    Production
+  </span>
+</Badge>
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/block-input/index.stories.tsx b/web/app/components/base/block-input/index.stories.tsx
index 5f1967b9d0..d05cc221b6 100644
--- a/web/app/components/base/block-input/index.stories.tsx
+++ b/web/app/components/base/block-input/index.stories.tsx
@@ -3,7 +3,7 @@ import { useState } from 'react'
 import BlockInput from '.'
 
 const meta = {
-  title: 'Base/Input/BlockInput',
+  title: 'Base/Data Entry/BlockInput',
   component: BlockInput,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/button/add-button.stories.tsx b/web/app/components/base/button/add-button.stories.tsx
index a46441aefe..edd52b2b78 100644
--- a/web/app/components/base/button/add-button.stories.tsx
+++ b/web/app/components/base/button/add-button.stories.tsx
@@ -2,7 +2,7 @@ import type { Meta, StoryObj } from '@storybook/nextjs'
 import AddButton from './add-button'
 
 const meta = {
-  title: 'Base/Button/AddButton',
+  title: 'Base/General/AddButton',
   component: AddButton,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/button/index.stories.tsx b/web/app/components/base/button/index.stories.tsx
index f369e2f71a..02d20b4af4 100644
--- a/web/app/components/base/button/index.stories.tsx
+++ b/web/app/components/base/button/index.stories.tsx
@@ -4,7 +4,7 @@ import { RocketLaunchIcon } from '@heroicons/react/20/solid'
 import { Button } from '.'
 
 const meta = {
-  title: 'Base/Button/Button',
+  title: 'Base/General/Button',
   component: Button,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/button/sync-button.stories.tsx b/web/app/components/base/button/sync-button.stories.tsx
index d55a7acf47..dcfbf6daf3 100644
--- a/web/app/components/base/button/sync-button.stories.tsx
+++ b/web/app/components/base/button/sync-button.stories.tsx
@@ -2,7 +2,7 @@ import type { Meta, StoryObj } from '@storybook/nextjs'
 import SyncButton from './sync-button'
 
 const meta = {
-  title: 'Base/Button/SyncButton',
+  title: 'Base/General/SyncButton',
   component: SyncButton,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/chat/chat/answer/index.stories.tsx b/web/app/components/base/chat/chat/answer/index.stories.tsx
index 822bdf7326..95bc3bd5c0 100644
--- a/web/app/components/base/chat/chat/answer/index.stories.tsx
+++ b/web/app/components/base/chat/chat/answer/index.stories.tsx
@@ -6,7 +6,7 @@ import { markdownContentSVG } from './__mocks__/markdownContentSVG'
 import Answer from '.'
 
 const meta = {
-  title: 'Base/Chat/Chat Answer',
+  title: 'Base/Other/Chat Answer',
   component: Answer,
   parameters: {
     layout: 'fullscreen',
diff --git a/web/app/components/base/chat/chat/question.stories.tsx b/web/app/components/base/chat/chat/question.stories.tsx
index 0b84ee91a8..f0ee860c89 100644
--- a/web/app/components/base/chat/chat/question.stories.tsx
+++ b/web/app/components/base/chat/chat/question.stories.tsx
@@ -5,7 +5,7 @@ import Question from './question'
 import { User } from '@/app/components/base/icons/src/public/avatar'
 
 const meta = {
-  title: 'Base/Chat/Chat Question',
+  title: 'Base/Other/Chat Question',
   component: Question,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/checkbox/index.stories.tsx b/web/app/components/base/checkbox/index.stories.tsx
index ba928baa6f..3f8d4606eb 100644
--- a/web/app/components/base/checkbox/index.stories.tsx
+++ b/web/app/components/base/checkbox/index.stories.tsx
@@ -13,7 +13,7 @@ const createToggleItem = <T extends { id: string; checked: boolean }>(
 }
 
 const meta = {
-  title: 'Base/Input/Checkbox',
+  title: 'Base/Data Entry/Checkbox',
   component: Checkbox,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/chip/index.stories.tsx b/web/app/components/base/chip/index.stories.tsx
new file mode 100644
index 0000000000..0ea018ef95
--- /dev/null
+++ b/web/app/components/base/chip/index.stories.tsx
@@ -0,0 +1,88 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import Chip, { type Item } from '.'
+
+const ITEMS: Item[] = [
+  { value: 'all', name: 'All items' },
+  { value: 'active', name: 'Active' },
+  { value: 'archived', name: 'Archived' },
+  { value: 'draft', name: 'Drafts' },
+]
+
+const meta = {
+  title: 'Base/Data Entry/Chip',
+  component: Chip,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Filter chip with dropdown panel and optional left icon. Commonly used for status pickers in toolbars.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    items: ITEMS,
+    value: 'all',
+  },
+} satisfies Meta<typeof Chip>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const ChipDemo = (props: React.ComponentProps<typeof Chip>) => {
+  const [selection, setSelection] = useState(props.value)
+
+  return (
+    <div className="flex flex-col gap-4">
+      <Chip
+        {...props}
+        value={selection}
+        onSelect={item => setSelection(item.value)}
+        onClear={() => setSelection('all')}
+      />
+      <div className="rounded-lg border border-divider-subtle bg-components-panel-bg p-3 text-xs text-text-secondary">
+        Current value: <span className="font-mono text-text-primary">{selection}</span>
+      </div>
+    </div>
+  )
+}
+
+export const Playground: Story = {
+  render: args => <ChipDemo {...args} />,
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+const [selection, setSelection] = useState('all')
+
+<Chip
+  items={items}
+  value={selection}
+  onSelect={item => setSelection(item.value)}
+  onClear={() => setSelection('all')}
+/>
+        `.trim(),
+      },
+    },
+  },
+}
+
+export const WithoutLeftIcon: Story = {
+  render: args => (
+    <ChipDemo
+      {...args}
+      showLeftIcon={false}
+    />
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<Chip showLeftIcon={false} ... />
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/confirm/index.stories.tsx b/web/app/components/base/confirm/index.stories.tsx
index 9ec21cbd50..12cb46d9e4 100644
--- a/web/app/components/base/confirm/index.stories.tsx
+++ b/web/app/components/base/confirm/index.stories.tsx
@@ -4,7 +4,7 @@ import Confirm from '.'
 import Button from '../button'
 
 const meta = {
-  title: 'Base/Dialog/Confirm',
+  title: 'Base/Feedback/Confirm',
   component: Confirm,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/content-dialog/index.stories.tsx b/web/app/components/base/content-dialog/index.stories.tsx
index 67781a17a0..aaebcad1b7 100644
--- a/web/app/components/base/content-dialog/index.stories.tsx
+++ b/web/app/components/base/content-dialog/index.stories.tsx
@@ -5,7 +5,7 @@ import ContentDialog from '.'
 type Props = React.ComponentProps<typeof ContentDialog>
 
 const meta = {
-  title: 'Base/Dialog/ContentDialog',
+  title: 'Base/Feedback/ContentDialog',
   component: ContentDialog,
   parameters: {
     layout: 'fullscreen',
@@ -29,6 +29,10 @@ const meta = {
       control: false,
       description: 'Invoked when the overlay/backdrop is clicked.',
     },
+    children: {
+      control: false,
+      table: { disable: true },
+    },
   },
   args: {
     show: false,
diff --git a/web/app/components/base/copy-feedback/index.stories.tsx b/web/app/components/base/copy-feedback/index.stories.tsx
new file mode 100644
index 0000000000..3bab620aec
--- /dev/null
+++ b/web/app/components/base/copy-feedback/index.stories.tsx
@@ -0,0 +1,54 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import CopyFeedback, { CopyFeedbackNew } from '.'
+
+const meta = {
+  title: 'Base/Feedback/CopyFeedback',
+  component: CopyFeedback,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Copy-to-clipboard button that shows instant feedback and a tooltip. Includes the original ActionButton wrapper and the newer ghost-button variant.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    content: 'acc-3f92fa',
+  },
+} satisfies Meta<typeof CopyFeedback>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const CopyDemo = ({ content }: { content: string }) => {
+  const [value] = useState(content)
+  return (
+    <div className="flex flex-col gap-4">
+      <div className="flex items-center gap-2 text-sm text-text-secondary">
+        <span>Client ID:</span>
+        <span className="rounded bg-background-default-subtle px-2 py-1 font-mono text-xs text-text-primary">{value}</span>
+        <CopyFeedback content={value} />
+      </div>
+      <div className="flex items-center gap-2 text-sm text-text-secondary">
+        <span>Use the new ghost variant:</span>
+        <CopyFeedbackNew content={value} />
+      </div>
+    </div>
+  )
+}
+
+export const Playground: Story = {
+  render: args => <CopyDemo content={args.content} />,
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<CopyFeedback content="acc-3f92fa" />
+<CopyFeedbackNew content="acc-3f92fa" />
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/copy-icon/index.stories.tsx b/web/app/components/base/copy-icon/index.stories.tsx
new file mode 100644
index 0000000000..5962773792
--- /dev/null
+++ b/web/app/components/base/copy-icon/index.stories.tsx
@@ -0,0 +1,68 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import CopyIcon from '.'
+
+const meta = {
+  title: 'Base/General/CopyIcon',
+  component: CopyIcon,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Interactive copy-to-clipboard glyph that swaps to a checkmark once the content has been copied. Tooltips rely on the app locale.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    content: 'https://console.dify.ai/apps/12345',
+  },
+} satisfies Meta<typeof CopyIcon>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Default: Story = {
+  render: args => (
+    <div className="flex items-center gap-2 rounded-lg border border-divider-subtle bg-components-panel-bg p-4 text-sm text-text-secondary">
+      <span>Hover or click to copy the app link:</span>
+      <CopyIcon {...args} />
+    </div>
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<div className="flex items-center gap-2">
+  <span>Hover or click to copy the app link:</span>
+  <CopyIcon content="https://console.dify.ai/apps/12345" />
+</div>
+        `.trim(),
+      },
+    },
+  },
+}
+
+export const InlineUsage: Story = {
+  render: args => (
+    <div className="space-y-3 text-sm text-text-secondary">
+      <p>
+        Use the copy icon inline with labels or metadata. Clicking the icon copies the value to the clipboard and shows a success tooltip.
+      </p>
+      <div className="flex items-center gap-1">
+        <span className="font-medium text-text-primary">Client ID</span>
+        <span className="rounded bg-background-default-subtle px-2 py-1 font-mono text-xs text-text-secondary">acc-3f92fa</span>
+        <CopyIcon {...args} content="acc-3f92fa" />
+      </div>
+    </div>
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<CopyIcon content="acc-3f92fa" />
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/corner-label/index.stories.tsx b/web/app/components/base/corner-label/index.stories.tsx
new file mode 100644
index 0000000000..1592f94259
--- /dev/null
+++ b/web/app/components/base/corner-label/index.stories.tsx
@@ -0,0 +1,53 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import CornerLabel from '.'
+
+const meta = {
+  title: 'Base/Data Display/CornerLabel',
+  component: CornerLabel,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Decorative label that anchors to card corners. Useful for marking “beta”, “deprecated”, or similar callouts.',
+      },
+      source: {
+        language: 'tsx',
+        code: `
+<CornerLabel label="beta" />
+        `.trim(),
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    label: 'beta',
+  },
+} satisfies Meta<typeof CornerLabel>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Default: Story = {}
+
+export const OnCard: Story = {
+  render: args => (
+    <div className="relative w-80 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <CornerLabel {...args} className="absolute right-[-1px] top-[-1px]" />
+      <div className="text-sm text-text-secondary">
+        Showcase how the label sits on a card header. Pair with contextual text or status information.
+      </div>
+    </div>
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<div className="relative">
+  <CornerLabel label="beta" className="absolute left-[-1px] top-[-1px]" />
+  ...card content...
+</div>
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/date-and-time-picker/index.stories.tsx b/web/app/components/base/date-and-time-picker/index.stories.tsx
new file mode 100644
index 0000000000..1789407d03
--- /dev/null
+++ b/web/app/components/base/date-and-time-picker/index.stories.tsx
@@ -0,0 +1,101 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { fn } from 'storybook/test'
+import { useState } from 'react'
+import DatePicker from './date-picker'
+import dayjs from './utils/dayjs'
+import { getDateWithTimezone } from './utils/dayjs'
+import type { DatePickerProps } from './types'
+
+const meta = {
+  title: 'Base/Data Entry/DateAndTimePicker',
+  component: DatePicker,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Combined date and time picker with timezone support. Includes shortcuts for “now”, year-month navigation, and optional time selection.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    value: getDateWithTimezone({}),
+    timezone: dayjs.tz.guess(),
+    needTimePicker: true,
+    placeholder: 'Select schedule time',
+    onChange: fn(),
+    onClear: fn(),
+  },
+} satisfies Meta<typeof DatePicker>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const DatePickerPlayground = (props: DatePickerProps) => {
+  const [value, setValue] = useState(props.value)
+
+  return (
+    <div className="inline-flex flex-col items-start gap-3">
+      <DatePicker popupZIndexClassname="z-50"
+        {...props}
+        value={value}
+        onChange={setValue}
+        onClear={() => setValue(undefined)}
+      />
+      <div className="w-[252px] rounded-lg border border-divider-subtle bg-components-panel-bg p-3 text-xs text-text-secondary">
+        Selected datetime: <span className="font-mono text-text-primary">{value ? value.format() : 'undefined'}</span>
+      </div>
+    </div>
+  )
+}
+
+export const Playground: Story = {
+  render: args => <DatePickerPlayground {...args} />,
+  args: {
+    ...meta.args,
+    needTimePicker: false,
+    placeholder: 'Select due date',
+  },
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+const [value, setValue] = useState(getDateWithTimezone({}))
+
+<DatePicker
+  popupZIndexClassname="z-50"
+  value={value}
+  timezone={dayjs.tz.guess()}
+  onChange={setValue}
+  onClear={() => setValue(undefined)}
+/>
+        `.trim(),
+      },
+    },
+  },
+}
+
+export const DateOnly: Story = {
+  render: args => (
+    <DatePickerPlayground
+      {...args}
+      needTimePicker={false}
+      placeholder="Select due date"
+    />
+  ),
+  args: {
+    ...meta.args,
+    needTimePicker: false,
+    placeholder: 'Select due date',
+  },
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<DatePicker needTimePicker={false} placeholder="Select due date" />
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/dialog/index.stories.tsx b/web/app/components/base/dialog/index.stories.tsx
index 94998c6d21..5fd833b666 100644
--- a/web/app/components/base/dialog/index.stories.tsx
+++ b/web/app/components/base/dialog/index.stories.tsx
@@ -3,7 +3,7 @@ import { useEffect, useState } from 'react'
 import Dialog from '.'
 
 const meta = {
-  title: 'Base/Dialog/Dialog',
+  title: 'Base/Feedback/Dialog',
   component: Dialog,
   parameters: {
     layout: 'fullscreen',
@@ -130,6 +130,7 @@ export const CustomStyling: Story = {
     bodyClassName: 'bg-gray-50 rounded-xl p-5',
     footerClassName: 'justify-between px-4 pb-4 pt-4',
     titleClassName: 'text-lg text-primary-600',
+    children: null,
     footer: (
       <>
         <span className="text-xs text-gray-400">Last synced 2 minutes ago</span>
diff --git a/web/app/components/base/divider/index.stories.tsx b/web/app/components/base/divider/index.stories.tsx
new file mode 100644
index 0000000000..c634173202
--- /dev/null
+++ b/web/app/components/base/divider/index.stories.tsx
@@ -0,0 +1,46 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import Divider from '.'
+
+const meta = {
+  title: 'Base/Layout/Divider',
+  component: Divider,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Lightweight separator supporting horizontal and vertical orientations with gradient or solid backgrounds.',
+      },
+      source: {
+        language: 'tsx',
+        code: `
+<Divider />
+        `.trim(),
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof Divider>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Horizontal: Story = {}
+
+export const Vertical: Story = {
+  render: args => (
+    <div className="flex h-20 items-center gap-4 rounded-lg border border-divider-subtle bg-components-panel-bg p-4">
+      <span className="text-sm text-text-secondary">Filters</span>
+      <Divider {...args} type="vertical" />
+      <span className="text-sm text-text-secondary">Tags</span>
+    </div>
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<Divider type="vertical" />
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/drawer-plus/index.stories.tsx b/web/app/components/base/drawer-plus/index.stories.tsx
new file mode 100644
index 0000000000..ddb39f2d63
--- /dev/null
+++ b/web/app/components/base/drawer-plus/index.stories.tsx
@@ -0,0 +1,124 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { fn } from 'storybook/test'
+import { useState } from 'react'
+import DrawerPlus from '.'
+
+const meta = {
+  title: 'Base/Feedback/DrawerPlus',
+  component: DrawerPlus,
+  parameters: {
+    layout: 'fullscreen',
+    docs: {
+      description: {
+        component: 'Enhanced drawer built atop the base drawer component. Provides header/foot slots, mask control, and mobile breakpoints.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof DrawerPlus>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+type DrawerPlusProps = React.ComponentProps<typeof DrawerPlus>
+
+const storyBodyElement: React.JSX.Element = (
+  <div className="space-y-3 p-6 text-sm text-text-secondary">
+    <p>
+      DrawerPlus allows rich content with sticky header/footer and responsive masking on mobile. Great for editing flows or showing execution logs.
+    </p>
+    <div className="rounded-lg border border-divider-subtle bg-components-panel-bg p-3 text-xs">
+      Body content scrolls if it exceeds the allotted height.
+    </div>
+  </div>
+)
+
+const DrawerPlusDemo = (props: Partial<DrawerPlusProps>) => {
+  const [open, setOpen] = useState(false)
+
+  const {
+    body,
+    title,
+    foot,
+    isShow: _isShow,
+    onHide: _onHide,
+    ...rest
+  } = props
+
+  const resolvedBody: React.JSX.Element = body ?? storyBodyElement
+
+  return (
+    <div className="flex h-[400px] items-center justify-center bg-background-default-subtle">
+      <button
+        type="button"
+        className="rounded-md bg-primary-600 px-4 py-2 text-sm font-medium text-white shadow-sm hover:bg-primary-700"
+        onClick={() => setOpen(true)}
+      >
+        Open drawer plus
+      </button>
+
+      <DrawerPlus
+        {...rest as Omit<DrawerPlusProps, 'isShow' | 'onHide' | 'title' | 'body' | 'foot'>}
+        isShow={open}
+        onHide={() => setOpen(false)}
+        title={title ?? 'Workflow execution details'}
+        body={resolvedBody}
+        foot={foot}
+      />
+    </div>
+  )
+}
+
+export const Playground: Story = {
+  render: args => <DrawerPlusDemo {...args} />,
+  args: {
+    isShow: false,
+    onHide: fn(),
+    title: 'Edit configuration',
+    body: storyBodyElement,
+  },
+}
+
+export const WithFooter: Story = {
+  render: (args) => {
+    const FooterDemo = () => {
+      const [open, setOpen] = useState(false)
+      return (
+        <div className="flex h-[400px] items-center justify-center bg-background-default-subtle">
+          <button
+            type="button"
+            className="rounded-md bg-primary-600 px-4 py-2 text-sm font-medium text-white shadow-sm hover:bg-primary-700"
+            onClick={() => setOpen(true)}
+          >
+            Open drawer plus
+          </button>
+
+          <DrawerPlus
+            {...args}
+            isShow={open}
+            onHide={() => setOpen(false)}
+            title={args.title ?? 'Workflow execution details'}
+            body={args.body ?? (
+              <div className="space-y-3 p-6 text-sm text-text-secondary">
+                <p>Populate the body with scrollable content. Footer stays pinned.</p>
+              </div>
+            )}
+            foot={
+              <div className="flex justify-end gap-2 border-t border-divider-subtle bg-components-panel-bg p-4">
+                <button className="rounded-md border border-divider-subtle px-3 py-1.5 text-sm text-text-secondary" onClick={() => setOpen(false)}>Cancel</button>
+                <button className="rounded-md bg-primary-600 px-3 py-1.5 text-sm text-white">Save</button>
+              </div>
+            }
+          />
+        </div>
+      )
+    }
+    return <FooterDemo />
+  },
+  args: {
+    isShow: false,
+    onHide: fn(),
+    title: 'Edit configuration!',
+    body: storyBodyElement,
+  },
+}
diff --git a/web/app/components/base/drawer/index.stories.tsx b/web/app/components/base/drawer/index.stories.tsx
new file mode 100644
index 0000000000..e7711bc1a2
--- /dev/null
+++ b/web/app/components/base/drawer/index.stories.tsx
@@ -0,0 +1,114 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { fn } from 'storybook/test'
+import { useState } from 'react'
+import Drawer from '.'
+
+const meta = {
+  title: 'Base/Feedback/Drawer',
+  component: Drawer,
+  parameters: {
+    layout: 'fullscreen',
+    docs: {
+      description: {
+        component: 'Sliding panel built on Headless UI dialog primitives. Supports optional mask, custom footer, and close behaviour.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof Drawer>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const DrawerDemo = (props: React.ComponentProps<typeof Drawer>) => {
+  const [open, setOpen] = useState(false)
+
+  return (
+    <div className="flex h-[400px] items-center justify-center bg-background-default-subtle">
+      <button
+        type="button"
+        className="rounded-md bg-primary-600 px-4 py-2 text-sm font-medium text-white shadow-sm hover:bg-primary-700"
+        onClick={() => setOpen(true)}
+      >
+        Open drawer
+      </button>
+
+      <Drawer
+        {...props}
+        isOpen={open}
+        onClose={() => setOpen(false)}
+        title={props.title ?? 'Edit configuration'}
+        description={props.description ?? 'Adjust settings in the side panel and save.'}
+        footer={props.footer ?? undefined}
+      >
+        <div className="mt-4 space-y-3 text-sm text-text-secondary">
+          <p>
+            This example renders arbitrary content inside the drawer body. Use it for contextual forms, settings, or informational panels.
+          </p>
+          <div className="rounded-lg border border-divider-subtle bg-components-panel-bg p-3 text-xs">
+            Content area
+          </div>
+        </div>
+      </Drawer>
+    </div>
+  )
+}
+
+export const Playground: Story = {
+  render: args => <DrawerDemo {...args} />,
+  args: {
+    children: null,
+    isOpen: false,
+    onClose: fn(),
+  },
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+const [open, setOpen] = useState(false)
+
+<Drawer
+  isOpen={open}
+  onClose={() => setOpen(false)}
+  title="Edit configuration"
+  description="Adjust settings in the side panel and save."
+>
+  ...
+</Drawer>
+        `.trim(),
+      },
+    },
+  },
+}
+
+export const CustomFooter: Story = {
+  render: args => (
+    <DrawerDemo
+      {...args}
+      footer={
+        <div className="mt-6 flex justify-end gap-2">
+          <button className="rounded-md border border-divider-subtle px-3 py-1.5 text-sm text-text-secondary" onClick={() => args.onCancel?.()}>Discard</button>
+          <button className="rounded-md bg-primary-600 px-3 py-1.5 text-sm text-white">Save changes</button>
+        </div>
+      }
+    />
+  ),
+  args: {
+    children: null,
+    isOpen: false,
+    onClose: fn(),
+  },
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<Drawer footer={<CustomFooter />}>
+  ...
+</Drawer>
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/dropdown/index.stories.tsx b/web/app/components/base/dropdown/index.stories.tsx
new file mode 100644
index 0000000000..da70730744
--- /dev/null
+++ b/web/app/components/base/dropdown/index.stories.tsx
@@ -0,0 +1,85 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { fn } from 'storybook/test'
+import { useState } from 'react'
+import Dropdown, { type Item } from '.'
+
+const PRIMARY_ITEMS: Item[] = [
+  { value: 'rename', text: 'Rename' },
+  { value: 'duplicate', text: 'Duplicate' },
+]
+
+const SECONDARY_ITEMS: Item[] = [
+  { value: 'archive', text: <span className="text-text-destructive">Archive</span> },
+  { value: 'delete', text: <span className="text-text-destructive">Delete</span> },
+]
+
+const meta = {
+  title: 'Base/Navigation/Dropdown',
+  component: Dropdown,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Small contextual menu with optional destructive section. Uses portal positioning utilities for precise placement.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    items: PRIMARY_ITEMS,
+    secondItems: SECONDARY_ITEMS,
+  },
+} satisfies Meta<typeof Dropdown>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const DropdownDemo = (props: React.ComponentProps<typeof Dropdown>) => {
+  const [lastAction, setLastAction] = useState<string>('None')
+
+  return (
+    <div className="flex h-[200px] flex-col items-center justify-center gap-4">
+      <Dropdown
+        {...props}
+        onSelect={(item) => {
+          setLastAction(String(item.value))
+          props.onSelect?.(item)
+        }}
+      />
+      <div className="rounded-lg border border-divider-subtle bg-components-panel-bg px-3 py-2 text-xs text-text-secondary">
+        Last action: <span className="font-mono text-text-primary">{lastAction}</span>
+      </div>
+    </div>
+  )
+}
+
+export const Playground: Story = {
+  render: args => <DropdownDemo {...args} />,
+  args: {
+    items: PRIMARY_ITEMS,
+    secondItems: SECONDARY_ITEMS,
+    onSelect: fn(),
+  },
+}
+
+export const CustomTrigger: Story = {
+  render: args => (
+    <DropdownDemo
+      {...args}
+      renderTrigger={open => (
+        <button
+          type="button"
+          className="inline-flex items-center gap-1 rounded-md border border-divider-subtle px-3 py-1.5 text-sm text-text-secondary hover:bg-state-base-hover-alt"
+        >
+          Actions
+          <span className={`transition-transform ${open ? 'rotate-180' : ''}`}>
+            ▾
+          </span>
+        </button>
+      )}
+    />
+  ),
+  args: {
+    items: PRIMARY_ITEMS,
+    onSelect: fn(),
+  },
+}
diff --git a/web/app/components/base/effect/index.stories.tsx b/web/app/components/base/effect/index.stories.tsx
new file mode 100644
index 0000000000..a7f316fe7e
--- /dev/null
+++ b/web/app/components/base/effect/index.stories.tsx
@@ -0,0 +1,39 @@
+/* eslint-disable tailwindcss/classnames-order */
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import Effect from '.'
+
+const meta = {
+  title: 'Base/Other/Effect',
+  component: Effect,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Blurred circular glow used as a decorative background accent. Combine with relatively positioned containers.',
+      },
+      source: {
+        language: 'tsx',
+        code: `
+<div className="relative h-40 w-72 overflow-hidden rounded-2xl bg-background-default-subtle">
+  <Effect className="top-6 left-8" />
+</div>
+        `.trim(),
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof Effect>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {
+  render: () => (
+    <div className="relative h-40 w-72 overflow-hidden rounded-2xl border border-divider-subtle bg-background-default-subtle">
+      <Effect className="top-6 left-8" />
+      <Effect className="top-14 right-10 bg-util-colors-purple-brand-purple-brand-500" />
+      <div className="absolute inset-x-0 bottom-4 flex justify-center text-xs text-text-secondary">
+        Accent glow
+      </div>
+    </div>
+  ),
+}
diff --git a/web/app/components/base/emoji-picker/Inner.stories.tsx b/web/app/components/base/emoji-picker/Inner.stories.tsx
new file mode 100644
index 0000000000..5341d63ee3
--- /dev/null
+++ b/web/app/components/base/emoji-picker/Inner.stories.tsx
@@ -0,0 +1,57 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import EmojiPickerInner from './Inner'
+
+const meta = {
+  title: 'Base/Data Entry/EmojiPickerInner',
+  component: EmojiPickerInner,
+  parameters: {
+    layout: 'fullscreen',
+    docs: {
+      description: {
+        component: 'Core emoji grid with search and style swatches. Use this when embedding the selector inline without a modal frame.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof EmojiPickerInner>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const InnerDemo = () => {
+  const [selection, setSelection] = useState<{ emoji: string; background: string } | null>(null)
+
+  return (
+    <div className="flex h-[520px] flex-col gap-4 rounded-xl border border-divider-subtle bg-components-panel-bg p-6 shadow-lg">
+      <EmojiPickerInner
+        onSelect={(emoji, background) => setSelection({ emoji, background })}
+        className="flex-1 overflow-hidden rounded-xl border border-divider-subtle bg-white"
+      />
+      <div className="rounded-lg border border-divider-subtle bg-background-default-subtle p-3 text-xs text-text-secondary">
+        <div className="font-medium text-text-primary">Latest selection</div>
+        <pre className="mt-1 max-h-40 overflow-auto font-mono">
+          {selection ? JSON.stringify(selection, null, 2) : 'Tap an emoji to set background options.'}
+        </pre>
+      </div>
+    </div>
+  )
+}
+
+export const Playground: Story = {
+  render: () => <InnerDemo />,
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+const [selection, setSelection] = useState<{ emoji: string; background: string } | null>(null)
+
+return (
+  <EmojiPickerInner onSelect={(emoji, background) => setSelection({ emoji, background })} />
+)
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/emoji-picker/index.stories.tsx b/web/app/components/base/emoji-picker/index.stories.tsx
new file mode 100644
index 0000000000..7c9b07f138
--- /dev/null
+++ b/web/app/components/base/emoji-picker/index.stories.tsx
@@ -0,0 +1,91 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import EmojiPicker from '.'
+
+const meta = {
+  title: 'Base/Data Entry/EmojiPicker',
+  component: EmojiPicker,
+  parameters: {
+    layout: 'fullscreen',
+    docs: {
+      description: {
+        component: 'Modal-based emoji selector that powers the icon picker. Supports search, background swatches, and confirmation callbacks.',
+      },
+    },
+    nextjs: {
+      appDirectory: true,
+      navigation: {
+        pathname: '/apps/demo-app/emoji-picker',
+        params: { appId: 'demo-app' },
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof EmojiPicker>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const EmojiPickerDemo = () => {
+  const [open, setOpen] = useState(false)
+  const [selection, setSelection] = useState<{ emoji: string; background: string } | null>(null)
+
+  return (
+    <div className="flex min-h-[320px] flex-col items-start gap-4 px-6 py-8 md:px-12">
+      <button
+        type="button"
+        className="rounded-md bg-primary-600 px-4 py-2 text-sm font-medium text-white shadow-sm hover:bg-primary-700"
+        onClick={() => setOpen(true)}
+      >
+        Open emoji picker…
+      </button>
+
+      <div className="rounded-lg border border-divider-subtle bg-components-panel-bg p-4 text-sm text-text-secondary shadow-sm">
+        <div className="font-medium text-text-primary">Selection preview</div>
+        <pre className="mt-2 max-h-44 overflow-auto rounded-md bg-background-default-subtle p-3 font-mono text-xs leading-tight text-text-primary">
+          {selection ? JSON.stringify(selection, null, 2) : 'No emoji selected yet.'}
+        </pre>
+      </div>
+
+      {open && (
+        <EmojiPicker
+          onSelect={(emoji, background) => {
+            setSelection({ emoji, background })
+            setOpen(false)
+          }}
+          onClose={() => setOpen(false)}
+        />
+      )}
+    </div>
+  )
+}
+
+export const Playground: Story = {
+  render: () => <EmojiPickerDemo />,
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+const [open, setOpen] = useState(false)
+const [selection, setSelection] = useState<{ emoji: string; background: string } | null>(null)
+
+return (
+  <>
+    <button onClick={() => setOpen(true)}>Open emoji picker…</button>
+    {open && (
+      <EmojiPicker
+        onSelect={(emoji, background) => {
+          setSelection({ emoji, background })
+          setOpen(false)
+        }}
+        onClose={() => setOpen(false)}
+      />
+    )}
+  </>
+)
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/features/index.stories.tsx b/web/app/components/base/features/index.stories.tsx
new file mode 100644
index 0000000000..f1eaf048b8
--- /dev/null
+++ b/web/app/components/base/features/index.stories.tsx
@@ -0,0 +1,73 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import { FeaturesProvider } from '.'
+import NewFeaturePanel from './new-feature-panel'
+import type { Features } from './types'
+
+const DEFAULT_FEATURES: Features = {
+  moreLikeThis: { enabled: false },
+  opening: { enabled: false },
+  suggested: { enabled: false },
+  text2speech: { enabled: false },
+  speech2text: { enabled: false },
+  citation: { enabled: false },
+  moderation: { enabled: false },
+  file: { enabled: false },
+  annotationReply: { enabled: false },
+}
+
+const meta = {
+  title: 'Base/Other/FeaturesProvider',
+  component: FeaturesProvider,
+  parameters: {
+    layout: 'fullscreen',
+    docs: {
+      description: {
+        component: 'Zustand-backed provider used for feature toggles. Paired with `NewFeaturePanel` for workflow settings.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof FeaturesProvider>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const FeaturesDemo = () => {
+  const [show, setShow] = useState(true)
+  const [features, setFeatures] = useState<Features>(DEFAULT_FEATURES)
+
+  return (
+    <FeaturesProvider features={features}>
+      <div className="flex h-[520px] items-center justify-center bg-background-default-subtle">
+        <div className="rounded-xl border border-divider-subtle bg-components-panel-bg p-6 text-sm text-text-secondary shadow-inner">
+          <div className="mb-4 font-medium text-text-primary">Feature toggles preview</div>
+          <div className="flex gap-3">
+            <button
+              type="button"
+              className="rounded-md bg-primary-600 px-4 py-2 text-sm font-medium text-white shadow-sm hover:bg-primary-700"
+              onClick={() => setShow(true)}
+            >
+              Configure features
+            </button>
+          </div>
+        </div>
+      </div>
+
+      <NewFeaturePanel
+        show={show}
+        isChatMode
+        disabled={false}
+        onChange={next => setFeatures(prev => ({ ...prev, ...next }))}
+        onClose={() => setShow(false)}
+      />
+    </FeaturesProvider>
+  )
+}
+
+export const Playground: Story = {
+  render: () => <FeaturesDemo />,
+  args: {
+    children: null,
+  },
+}
diff --git a/web/app/components/base/file-icon/index.stories.tsx b/web/app/components/base/file-icon/index.stories.tsx
new file mode 100644
index 0000000000..dbd3e13fea
--- /dev/null
+++ b/web/app/components/base/file-icon/index.stories.tsx
@@ -0,0 +1,79 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import FileIcon from '.'
+
+const meta = {
+  title: 'Base/General/FileIcon',
+  component: FileIcon,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Maps a file extension to the appropriate SVG icon used across upload and attachment surfaces.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+  argTypes: {
+    type: {
+      control: 'text',
+      description: 'File extension or identifier used to resolve the icon.',
+    },
+    className: {
+      control: 'text',
+      description: 'Custom classes passed to the SVG wrapper.',
+    },
+  },
+  args: {
+    type: 'pdf',
+    className: 'h-10 w-10',
+  },
+} satisfies Meta<typeof FileIcon>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Default: Story = {
+  render: args => (
+    <div className="flex items-center gap-4 rounded-lg border border-divider-subtle bg-components-panel-bg p-4">
+      <FileIcon {...args} />
+      <span className="text-sm text-text-secondary">Extension: {args.type}</span>
+    </div>
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<FileIcon type="pdf" className="h-10 w-10" />
+        `.trim(),
+      },
+    },
+  },
+}
+
+export const Gallery: Story = {
+  render: () => {
+    const examples = ['pdf', 'docx', 'xlsx', 'csv', 'json', 'md', 'txt', 'html', 'notion', 'unknown']
+    return (
+      <div className="grid grid-cols-5 gap-4 rounded-lg border border-divider-subtle bg-components-panel-bg p-4">
+        {examples.map(type => (
+          <div key={type} className="flex flex-col items-center gap-1">
+            <FileIcon type={type} className="h-9 w-9" />
+            <span className="text-xs uppercase text-text-tertiary">{type}</span>
+          </div>
+        ))}
+      </div>
+    )
+  },
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+{['pdf','docx','xlsx','csv','json','md','txt','html','notion','unknown'].map(type => (
+  <FileIcon key={type} type={type} className="h-9 w-9" />
+))}
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/file-uploader/file-image-render.stories.tsx b/web/app/components/base/file-uploader/file-image-render.stories.tsx
new file mode 100644
index 0000000000..132c0b61a3
--- /dev/null
+++ b/web/app/components/base/file-uploader/file-image-render.stories.tsx
@@ -0,0 +1,32 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import FileImageRender from './file-image-render'
+
+const SAMPLE_IMAGE = 'data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\' width=\'320\' height=\'180\'><defs><linearGradient id=\'grad\' x1=\'0%\' y1=\'0%\' x2=\'100%\' y2=\'100%\'><stop offset=\'0%\' stop-color=\'#FEE2FF\'/><stop offset=\'100%\' stop-color=\'#E0EAFF\'/></linearGradient></defs><rect width=\'320\' height=\'180\' rx=\'18\' fill=\'url(#grad)\'/><text x=\'50%\' y=\'50%\' dominant-baseline=\'middle\' text-anchor=\'middle\' font-family=\'sans-serif\' font-size=\'24\' fill=\'#1F2937\'>Preview</text></svg>'
+
+const meta = {
+  title: 'Base/General/FileImageRender',
+  component: FileImageRender,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Renders image previews inside a bordered frame. Often used in upload galleries and logs.',
+      },
+      source: {
+        language: 'tsx',
+        code: `
+<FileImageRender imageUrl="https://example.com/preview.png" className="h-32 w-52" />
+        `.trim(),
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    imageUrl: SAMPLE_IMAGE,
+    className: 'h-32 w-52',
+  },
+} satisfies Meta<typeof FileImageRender>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/file-uploader/file-list.stories.tsx b/web/app/components/base/file-uploader/file-list.stories.tsx
new file mode 100644
index 0000000000..89c0568735
--- /dev/null
+++ b/web/app/components/base/file-uploader/file-list.stories.tsx
@@ -0,0 +1,96 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import { FileList } from './file-uploader-in-chat-input/file-list'
+import type { FileEntity } from './types'
+import { SupportUploadFileTypes } from '@/app/components/workflow/types'
+import { TransferMethod } from '@/types/app'
+
+const SAMPLE_IMAGE = 'data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\' width=\'160\' height=\'160\'><rect width=\'160\' height=\'160\' rx=\'16\' fill=\'#D1E9FF\'/><text x=\'50%\' y=\'50%\' dominant-baseline=\'middle\' text-anchor=\'middle\' font-family=\'sans-serif\' font-size=\'20\' fill=\'#1F2937\'>IMG</text></svg>'
+
+const filesSample: FileEntity[] = [
+  {
+    id: '1',
+    name: 'Project Brief.pdf',
+    size: 256000,
+    type: 'application/pdf',
+    progress: 100,
+    transferMethod: TransferMethod.local_file,
+    supportFileType: SupportUploadFileTypes.document,
+    url: '',
+  },
+  {
+    id: '2',
+    name: 'Design.png',
+    size: 128000,
+    type: 'image/png',
+    progress: 100,
+    transferMethod: TransferMethod.local_file,
+    supportFileType: SupportUploadFileTypes.image,
+    base64Url: SAMPLE_IMAGE,
+  },
+  {
+    id: '3',
+    name: 'Voiceover.mp3',
+    size: 512000,
+    type: 'audio/mpeg',
+    progress: 45,
+    transferMethod: TransferMethod.remote_url,
+    supportFileType: SupportUploadFileTypes.audio,
+    url: '',
+  },
+]
+
+const meta = {
+  title: 'Base/Data Display/FileList',
+  component: FileList,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Renders a responsive gallery of uploaded files, handling icons, previews, and progress states.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    files: filesSample,
+  },
+} satisfies Meta<typeof FileList>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const FileListPlayground = (args: React.ComponentProps<typeof FileList>) => {
+  const [items, setItems] = useState<FileEntity[]>(args.files || [])
+
+  return (
+    <div className="rounded-2xl border border-divider-subtle bg-components-panel-bg p-4">
+      <FileList
+        {...args}
+        files={items}
+        onRemove={fileId => setItems(list => list.filter(file => file.id !== fileId))}
+      />
+    </div>
+  )
+}
+
+export const Playground: Story = {
+  render: args => <FileListPlayground {...args} />,
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+const [files, setFiles] = useState(initialFiles)
+
+<FileList files={files} onRemove={(id) => setFiles(list => list.filter(file => file.id !== id))} />
+        `.trim(),
+      },
+    },
+  },
+}
+
+export const UploadStates: Story = {
+  args: {
+    files: filesSample.map(file => ({ ...file, progress: file.id === '3' ? 45 : 100 })),
+  },
+}
diff --git a/web/app/components/base/file-uploader/file-type-icon.stories.tsx b/web/app/components/base/file-uploader/file-type-icon.stories.tsx
new file mode 100644
index 0000000000..c317afab68
--- /dev/null
+++ b/web/app/components/base/file-uploader/file-type-icon.stories.tsx
@@ -0,0 +1,38 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import FileTypeIcon from './file-type-icon'
+import { FileAppearanceTypeEnum } from './types'
+
+const meta = {
+  title: 'Base/General/FileTypeIcon',
+  component: FileTypeIcon,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Displays the appropriate icon and accent colour for a file appearance type. Useful in lists and attachments.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    type: FileAppearanceTypeEnum.document,
+    size: 'md',
+  },
+} satisfies Meta<typeof FileTypeIcon>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
+
+export const Gallery: Story = {
+  render: () => (
+    <div className="grid grid-cols-4 gap-6 rounded-xl border border-divider-subtle bg-components-panel-bg p-6">
+      {Object.values(FileAppearanceTypeEnum).map(type => (
+        <div key={type} className="flex flex-col items-center gap-2 text-xs text-text-secondary">
+          <FileTypeIcon type={type} size="xl" />
+          <span className="capitalize">{type}</span>
+        </div>
+      ))}
+    </div>
+  ),
+}
diff --git a/web/app/components/base/file-uploader/file-uploader-in-attachment/index.stories.tsx b/web/app/components/base/file-uploader/file-uploader-in-attachment/index.stories.tsx
new file mode 100644
index 0000000000..dabb8b6615
--- /dev/null
+++ b/web/app/components/base/file-uploader/file-uploader-in-attachment/index.stories.tsx
@@ -0,0 +1,110 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { fn } from 'storybook/test'
+import { useState } from 'react'
+import FileUploaderInAttachmentWrapper from './index'
+import type { FileEntity } from '../types'
+import type { FileUpload } from '@/app/components/base/features/types'
+import { PreviewMode } from '@/app/components/base/features/types'
+import { TransferMethod } from '@/types/app'
+import { ToastProvider } from '@/app/components/base/toast'
+import { SupportUploadFileTypes } from '@/app/components/workflow/types'
+
+const SAMPLE_IMAGE = 'data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\' width=\'128\' height=\'128\'><rect width=\'128\' height=\'128\' rx=\'16\' fill=\'#E0F2FE\'/><text x=\'50%\' y=\'50%\' dominant-baseline=\'middle\' text-anchor=\'middle\' font-family=\'sans-serif\' font-size=\'18\' fill=\'#1F2937\'>IMG</text></svg>'
+
+const mockFiles: FileEntity[] = [
+  {
+    id: 'file-1',
+    name: 'Requirements.pdf',
+    size: 256000,
+    type: 'application/pdf',
+    progress: 100,
+    transferMethod: TransferMethod.local_file,
+    supportFileType: SupportUploadFileTypes.document,
+    url: '',
+  },
+  {
+    id: 'file-2',
+    name: 'Interface.png',
+    size: 128000,
+    type: 'image/png',
+    progress: 100,
+    transferMethod: TransferMethod.local_file,
+    supportFileType: SupportUploadFileTypes.image,
+    base64Url: SAMPLE_IMAGE,
+  },
+  {
+    id: 'file-3',
+    name: 'Voiceover.mp3',
+    size: 512000,
+    type: 'audio/mpeg',
+    progress: 35,
+    transferMethod: TransferMethod.remote_url,
+    supportFileType: SupportUploadFileTypes.audio,
+    url: '',
+  },
+]
+
+const fileConfig: FileUpload = {
+  enabled: true,
+  allowed_file_upload_methods: [TransferMethod.local_file, TransferMethod.remote_url],
+  allowed_file_types: ['document', 'image', 'audio'],
+  number_limits: 5,
+  preview_config: { mode: PreviewMode.NewPage, file_type_list: ['pdf', 'png'] },
+}
+
+const meta = {
+  title: 'Base/Data Entry/FileUploaderInAttachment',
+  component: FileUploaderInAttachmentWrapper,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Attachment-style uploader that supports local files and remote links. Demonstrates upload progress, re-upload, and preview actions.',
+      },
+    },
+    nextjs: {
+      appDirectory: true,
+      navigation: {
+        pathname: '/apps/demo-app/uploads',
+        params: { appId: 'demo-app' },
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    fileConfig,
+  },
+} satisfies Meta<typeof FileUploaderInAttachmentWrapper>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const AttachmentDemo = (props: React.ComponentProps<typeof FileUploaderInAttachmentWrapper>) => {
+  const [files, setFiles] = useState<FileEntity[]>(mockFiles)
+
+  return (
+    <ToastProvider>
+      <div className="w-[320px] rounded-2xl border border-divider-subtle bg-components-panel-bg p-4 shadow-xs">
+        <FileUploaderInAttachmentWrapper
+          {...props}
+          value={files}
+          onChange={setFiles}
+        />
+      </div>
+    </ToastProvider>
+  )
+}
+
+export const Playground: Story = {
+  render: args => <AttachmentDemo {...args} />,
+  args: {
+    onChange: fn(),
+  },
+}
+
+export const Disabled: Story = {
+  render: args => <AttachmentDemo {...args} isDisabled />,
+  args: {
+    onChange: fn(),
+  },
+}
diff --git a/web/app/components/base/file-uploader/file-uploader-in-chat-input/index.stories.tsx b/web/app/components/base/file-uploader/file-uploader-in-chat-input/index.stories.tsx
new file mode 100644
index 0000000000..f4165f64cb
--- /dev/null
+++ b/web/app/components/base/file-uploader/file-uploader-in-chat-input/index.stories.tsx
@@ -0,0 +1,95 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import FileUploaderInChatInput from '.'
+import { FileContextProvider } from '../store'
+import type { FileEntity } from '../types'
+import type { FileUpload } from '@/app/components/base/features/types'
+import { SupportUploadFileTypes } from '@/app/components/workflow/types'
+import { TransferMethod } from '@/types/app'
+import { FileList } from '../file-uploader-in-chat-input/file-list'
+import { ToastProvider } from '@/app/components/base/toast'
+
+const mockFiles: FileEntity[] = [
+  {
+    id: '1',
+    name: 'Dataset.csv',
+    size: 64000,
+    type: 'text/csv',
+    progress: 100,
+    transferMethod: TransferMethod.local_file,
+    supportFileType: SupportUploadFileTypes.document,
+  },
+]
+
+const chatUploadConfig: FileUpload = {
+  enabled: true,
+  allowed_file_upload_methods: [TransferMethod.local_file, TransferMethod.remote_url],
+  allowed_file_types: ['image', 'document'],
+  number_limits: 3,
+}
+
+type ChatInputDemoProps = React.ComponentProps<typeof FileUploaderInChatInput> & {
+  initialFiles?: FileEntity[]
+}
+
+const ChatInputDemo = ({ initialFiles = mockFiles, ...props }: ChatInputDemoProps) => {
+  const [files, setFiles] = useState<FileEntity[]>(initialFiles)
+
+  return (
+    <ToastProvider>
+      <FileContextProvider value={files} onChange={setFiles}>
+        <div className="w-[360px] rounded-2xl border border-divider-subtle bg-components-panel-bg p-4">
+          <div className="mb-3 text-xs text-text-secondary">Simulated chat input</div>
+          <div className="flex items-center gap-2">
+            <FileUploaderInChatInput {...props} />
+            <div className="flex-1 rounded-lg border border-divider-subtle bg-background-default-subtle p-2 text-xs text-text-tertiary">Type a message...</div>
+          </div>
+          <div className="mt-4">
+            <FileList files={files} />
+          </div>
+        </div>
+      </FileContextProvider>
+    </ToastProvider>
+  )
+}
+
+const meta = {
+  title: 'Base/Data Entry/FileUploaderInChatInput',
+  component: ChatInputDemo,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Attachment trigger suited for chat inputs. Demonstrates integration with the shared file store and preview list.',
+      },
+    },
+    nextjs: {
+      appDirectory: true,
+      navigation: {
+        pathname: '/chats/demo',
+        params: { appId: 'demo-app' },
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    fileConfig: chatUploadConfig,
+    initialFiles: mockFiles,
+  },
+} satisfies Meta<typeof ChatInputDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {
+  render: args => <ChatInputDemo {...args} />,
+}
+
+export const RemoteOnly: Story = {
+  args: {
+    fileConfig: {
+      ...chatUploadConfig,
+      allowed_file_upload_methods: [TransferMethod.remote_url],
+    },
+    initialFiles: [],
+  },
+}
diff --git a/web/app/components/base/float-right-container/index.stories.tsx b/web/app/components/base/float-right-container/index.stories.tsx
new file mode 100644
index 0000000000..18173f086d
--- /dev/null
+++ b/web/app/components/base/float-right-container/index.stories.tsx
@@ -0,0 +1,74 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { fn } from 'storybook/test'
+import { useState } from 'react'
+import FloatRightContainer from '.'
+
+const meta = {
+  title: 'Base/Feedback/FloatRightContainer',
+  component: FloatRightContainer,
+  parameters: {
+    layout: 'fullscreen',
+    docs: {
+      description: {
+        component: 'Wrapper that renders content in a drawer on mobile and inline on desktop. Useful for responsive settings panels.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof FloatRightContainer>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const ContainerDemo = () => {
+  const [open, setOpen] = useState(false)
+  const [isMobile, setIsMobile] = useState(false)
+
+  return (
+    <div className="flex h-[360px] flex-col gap-4 bg-background-default-subtle p-6">
+      <div className="flex items-center gap-3">
+        <button
+          type="button"
+          className="rounded-md bg-primary-600 px-3 py-1.5 text-sm font-medium text-white shadow-sm hover:bg-primary-700"
+          onClick={() => setOpen(true)}
+        >
+          Open panel
+        </button>
+        <label className="flex items-center gap-1 text-xs text-text-secondary">
+          <input
+            type="checkbox"
+            checked={isMobile}
+            onChange={e => setIsMobile(e.target.checked)}
+          />
+          Simulate mobile
+        </label>
+      </div>
+
+      <FloatRightContainer
+        isMobile={isMobile}
+        isOpen={open}
+        onClose={() => setOpen(false)}
+        title="Responsive panel"
+        description="Switch the toggle to see drawer vs inline behaviour."
+        mask
+      >
+        <div className="rounded-xl border border-divider-subtle bg-components-panel-bg p-4 text-xs text-text-secondary">
+          <p className="mb-2 text-sm text-text-primary">Panel Content</p>
+          <p>
+            On desktop, this block renders inline when `isOpen` is true. On mobile it appears inside the drawer wrapper.
+          </p>
+        </div>
+      </FloatRightContainer>
+    </div>
+  )
+}
+
+export const Playground: Story = {
+  render: () => <ContainerDemo />,
+  args: {
+    isMobile: false,
+    isOpen: false,
+    onClose: fn(),
+    children: null,
+  },
+}
diff --git a/web/app/components/base/form/index.stories.tsx b/web/app/components/base/form/index.stories.tsx
new file mode 100644
index 0000000000..c1b9e894e0
--- /dev/null
+++ b/web/app/components/base/form/index.stories.tsx
@@ -0,0 +1,559 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useMemo, useState } from 'react'
+import { useStore } from '@tanstack/react-form'
+import ContactFields from './form-scenarios/demo/contact-fields'
+import { demoFormOpts } from './form-scenarios/demo/shared-options'
+import { ContactMethods, UserSchema } from './form-scenarios/demo/types'
+import BaseForm from './components/base/base-form'
+import type { FormSchema } from './types'
+import { FormTypeEnum } from './types'
+import { type FormStoryRender, FormStoryWrapper } from '../../../../.storybook/utils/form-story-wrapper'
+import Button from '../button'
+import { TransferMethod } from '@/types/app'
+import { PreviewMode } from '@/app/components/base/features/types'
+
+const FormStoryHost = () => null
+
+const meta = {
+  title: 'Base/Data Entry/AppForm',
+  component: FormStoryHost,
+  parameters: {
+    layout: 'fullscreen',
+    docs: {
+      description: {
+        component: 'Helper utilities built on top of `@tanstack/react-form` that power form rendering across Dify. These stories demonstrate the `useAppForm` hook, field primitives, conditional visibility, and custom actions.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof FormStoryHost>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+type AppFormInstance = Parameters<FormStoryRender>[0]
+type ContactFieldsProps = React.ComponentProps<typeof ContactFields>
+type ContactFieldsFormApi = ContactFieldsProps['form']
+
+type PlaygroundFormFieldsProps = {
+  form: AppFormInstance
+  status: string
+}
+
+const PlaygroundFormFields = ({ form, status }: PlaygroundFormFieldsProps) => {
+  type PlaygroundFormValues = typeof demoFormOpts.defaultValues
+  const name = useStore(form.store, state => (state.values as PlaygroundFormValues).name)
+  const contactFormApi = form as ContactFieldsFormApi
+
+  return (
+    <form
+      className="flex w-full max-w-xl flex-col gap-4"
+      onSubmit={(event) => {
+        event.preventDefault()
+        event.stopPropagation()
+        form.handleSubmit()
+      }}
+    >
+      <form.AppField
+        name="name"
+        children={field => (
+          <field.TextField
+            label="Name"
+            placeholder="Start with a capital letter"
+          />
+        )}
+      />
+      <form.AppField
+        name="surname"
+        children={field => (
+          <field.TextField
+            label="Surname"
+            placeholder="Surname must be at least 3 characters"
+          />
+        )}
+      />
+      <form.AppField
+        name="isAcceptingTerms"
+        children={field => (
+          <field.CheckboxField
+            label="I accept the terms and conditions"
+          />
+        )}
+      />
+
+      {!!name && <ContactFields form={contactFormApi} />}
+
+      <form.AppForm>
+        <form.Actions />
+      </form.AppForm>
+
+      <p className="text-xs text-text-tertiary">{status}</p>
+    </form>
+  )
+}
+
+const FormPlayground = () => {
+  const [status, setStatus] = useState('Fill in the form and submit to see results.')
+
+  return (
+    <FormStoryWrapper
+      title="Customer onboarding form"
+      subtitle="Validates with zod and conditionally reveals contact preferences."
+      options={{
+        ...demoFormOpts,
+        validators: {
+          onSubmit: ({ value }) => {
+            const result = UserSchema.safeParse(value as typeof demoFormOpts.defaultValues)
+            if (!result.success)
+              return result.error.issues[0].message
+            return undefined
+          },
+        },
+        onSubmit: ({ value }) => {
+          setStatus('Successfully saved profile.')
+        },
+      }}
+    >
+      {form => <PlaygroundFormFields form={form} status={status} />}
+    </FormStoryWrapper>
+  )
+}
+
+const mockFileUploadConfig = {
+  enabled: true,
+  allowed_file_extensions: ['pdf', 'png'],
+  allowed_file_upload_methods: [TransferMethod.local_file, TransferMethod.remote_url],
+  number_limits: 3,
+  preview_config: {
+    mode: PreviewMode.CurrentPage,
+    file_type_list: ['pdf', 'png'],
+  },
+}
+
+const mockFieldDefaults = {
+  headline: 'Dify App',
+  description: 'Streamline your AI workflows with configurable building blocks.',
+  category: 'workbench',
+  allowNotifications: true,
+  dailyLimit: 40,
+  attachment: [],
+}
+
+const FieldGallery = () => {
+  const selectOptions = useMemo(() => [
+    { value: 'workbench', label: 'Workbench' },
+    { value: 'playground', label: 'Playground' },
+    { value: 'production', label: 'Production' },
+  ], [])
+
+  return (
+    <FormStoryWrapper
+      title="Field gallery"
+      subtitle="Preview the most common field primitives exposed through `form.AppField` helpers."
+      options={{
+        defaultValues: mockFieldDefaults,
+      }}
+    >
+      {form => (
+        <form
+          className="grid w-full max-w-4xl grid-cols-1 gap-4 lg:grid-cols-2"
+          onSubmit={(event) => {
+            event.preventDefault()
+            event.stopPropagation()
+            form.handleSubmit()
+          }}
+        >
+          <form.AppField
+            name="headline"
+            children={field => (
+              <field.TextField
+                label="Headline"
+                placeholder="Name your experience"
+              />
+            )}
+          />
+          <form.AppField
+            name="description"
+            children={field => (
+              <field.TextAreaField
+                label="Description"
+                placeholder="Describe what this configuration does"
+              />
+            )}
+          />
+          <form.AppField
+            name="category"
+            children={field => (
+              <field.SelectField
+                label="Category"
+                options={selectOptions}
+              />
+            )}
+          />
+          <form.AppField
+            name="allowNotifications"
+            children={field => (
+              <field.CheckboxField label="Enable usage notifications" />
+            )}
+          />
+          <form.AppField
+            name="dailyLimit"
+            children={field => (
+              <field.NumberSliderField
+                label="Daily session limit"
+                description="Control the maximum number of runs per user each day."
+                min={10}
+                max={100}
+              />
+            )}
+          />
+          <form.AppField
+            name="attachment"
+            children={field => (
+              <field.FileUploaderField
+                label="Reference materials"
+                fileConfig={mockFileUploadConfig}
+              />
+            )}
+          />
+          <div className="lg:col-span-2">
+            <form.AppForm>
+              <form.Actions />
+            </form.AppForm>
+          </div>
+        </form>
+      )}
+    </FormStoryWrapper>
+  )
+}
+
+const conditionalSchemas: FormSchema[] = [
+  {
+    type: FormTypeEnum.select,
+    name: 'channel',
+    label: 'Preferred channel',
+    required: true,
+    default: 'email',
+    options: ContactMethods,
+  },
+  {
+    type: FormTypeEnum.textInput,
+    name: 'contactEmail',
+    label: 'Email address',
+    required: true,
+    placeholder: 'user@example.com',
+    show_on: [{ variable: 'channel', value: 'email' }],
+  },
+  {
+    type: FormTypeEnum.textInput,
+    name: 'contactPhone',
+    label: 'Phone number',
+    required: true,
+    placeholder: '+1 555 123 4567',
+    show_on: [{ variable: 'channel', value: 'phone' }],
+  },
+  {
+    type: FormTypeEnum.boolean,
+    name: 'optIn',
+    label: 'Opt in to marketing messages',
+    required: false,
+  },
+]
+
+const ConditionalFieldsStory = () => {
+  const [values, setValues] = useState<Record<string, unknown>>({
+    channel: 'email',
+    optIn: false,
+  })
+
+  return (
+    <div className="flex flex-col gap-6 px-6 md:flex-row md:px-10">
+      <div className="flex-1 rounded-xl border border-divider-subtle bg-components-panel-bg p-5 shadow-sm">
+        <BaseForm
+          formSchemas={conditionalSchemas}
+          defaultValues={values}
+          formClassName="flex flex-col gap-4"
+          onChange={(field, value) => {
+            setValues(prev => ({
+              ...prev,
+              [field]: value,
+            }))
+          }}
+        />
+      </div>
+      <aside className="w-full max-w-sm rounded-xl border border-divider-subtle bg-components-panel-bg p-4 text-xs text-text-secondary shadow-sm">
+        <h3 className="text-sm font-semibold text-text-primary">Live values</h3>
+        <p className="mb-2 text-[11px] text-text-tertiary">`show_on` rules hide or reveal inputs without losing track of the form state.</p>
+        <pre className="max-h-48 overflow-auto rounded-md bg-background-default-subtle p-3 font-mono text-[11px] leading-tight text-text-primary">
+          {JSON.stringify(values, null, 2)}
+        </pre>
+      </aside>
+    </div>
+  )
+}
+
+const CustomActionsStory = () => {
+  return (
+    <FormStoryWrapper
+      title="Custom footer actions"
+      subtitle="Override the default submit button to add reset or secondary operations."
+      options={{
+        defaultValues: {
+          datasetName: 'Support FAQ',
+          datasetDescription: 'Knowledge base snippets sourced from Zendesk exports.',
+        },
+        validators: {
+          onChange: ({ value }) => {
+            const nextValues = value as { datasetName?: string }
+            if (!nextValues.datasetName || nextValues.datasetName.length < 3)
+              return 'Dataset name must contain at least 3 characters.'
+            return undefined
+          },
+        },
+      }}
+    >
+      {form => (
+        <form
+          className="flex w-full max-w-xl flex-col gap-4"
+          onSubmit={(event) => {
+            event.preventDefault()
+            event.stopPropagation()
+            form.handleSubmit()
+          }}
+        >
+          <form.AppField
+            name="datasetName"
+            children={field => (
+              <field.TextField
+                label="Dataset name"
+                placeholder="Support knowledge base"
+              />
+            )}
+          />
+          <form.AppField
+            name="datasetDescription"
+            children={field => (
+              <field.TextAreaField
+                label="Description"
+                placeholder="Add a helpful summary for collaborators"
+              />
+            )}
+          />
+          <form.AppForm>
+            <form.Actions
+              CustomActions={({ form: appForm, isSubmitting, canSubmit }) => (
+                <div className="flex items-center gap-2">
+                  <Button
+                    variant="ghost"
+                    onClick={() => appForm.reset()}
+                    disabled={isSubmitting}
+                  >
+                    Reset
+                  </Button>
+                  <Button
+                    variant="tertiary"
+                    onClick={() => {
+                      appForm.handleSubmit()
+                    }}
+                    disabled={!canSubmit}
+                    loading={isSubmitting}
+                  >
+                    Save draft
+                  </Button>
+                  <Button
+                    variant="primary"
+                    onClick={() => appForm.handleSubmit()}
+                    disabled={!canSubmit}
+                    loading={isSubmitting}
+                  >
+                    Publish
+                  </Button>
+                </div>
+              )}
+            />
+          </form.AppForm>
+        </form>
+      )}
+    </FormStoryWrapper>
+  )
+}
+
+export const Playground: Story = {
+  render: () => <FormPlayground />,
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+const form = useAppForm({
+  ...demoFormOpts,
+  validators: {
+    onSubmit: ({ value }) => UserSchema.safeParse(value).success ? undefined : 'Validation failed',
+  },
+  onSubmit: ({ value }) => {
+    setStatus(\`Successfully saved profile for \${value.name}\`)
+  },
+})
+
+return (
+  <form onSubmit={handleSubmit}>
+    <form.AppField name="name">
+      {field => <field.TextField label="Name" placeholder="Start with a capital letter" />}
+    </form.AppField>
+    <form.AppField name="surname">
+      {field => <field.TextField label="Surname" />}
+    </form.AppField>
+    <form.AppField name="isAcceptingTerms">
+      {field => <field.CheckboxField label="I accept the terms and conditions" />}
+    </form.AppField>
+    {!!form.store.state.values.name && <ContactFields form={form} />}
+    <form.AppForm>
+      <form.Actions />
+    </form.AppForm>
+  </form>
+)
+        `.trim(),
+      },
+    },
+  },
+}
+
+export const FieldExplorer: Story = {
+  render: () => <FieldGallery />,
+  parameters: {
+    nextjs: {
+      appDirectory: true,
+      navigation: {
+        pathname: '/apps/demo-app/form',
+        params: { appId: 'demo-app' },
+      },
+    },
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+const form = useAppForm({
+  defaultValues: {
+    headline: 'Dify App',
+    description: 'Streamline your AI workflows',
+    category: 'workbench',
+    allowNotifications: true,
+    dailyLimit: 40,
+    attachment: [],
+  },
+})
+
+return (
+  <form className="grid grid-cols-1 gap-4 lg:grid-cols-2" onSubmit={handleSubmit}>
+    <form.AppField name="headline">
+      {field => <field.TextField label="Headline" />}
+    </form.AppField>
+    <form.AppField name="description">
+      {field => <field.TextAreaField label="Description" />}
+    </form.AppField>
+    <form.AppField name="category">
+      {field => <field.SelectField label="Category" options={selectOptions} />}
+    </form.AppField>
+    <form.AppField name="allowNotifications">
+      {field => <field.CheckboxField label="Enable usage notifications" />}
+    </form.AppField>
+    <form.AppField name="dailyLimit">
+      {field => <field.NumberSliderField label="Daily session limit" min={10} max={100} step={10} />}
+    </form.AppField>
+    <form.AppField name="attachment">
+      {field => <field.FileUploaderField label="Reference materials" fileConfig={mockFileUploadConfig} />}
+    </form.AppField>
+    <form.AppForm>
+      <form.Actions />
+    </form.AppForm>
+  </form>
+)
+        `.trim(),
+      },
+    },
+  },
+}
+
+export const ConditionalVisibility: Story = {
+  render: () => <ConditionalFieldsStory />,
+  parameters: {
+    docs: {
+      description: {
+        story: 'Demonstrates schema-driven visibility using `show_on` conditions rendered through the reusable `BaseForm` component.',
+      },
+      source: {
+        language: 'tsx',
+        code: `
+const conditionalSchemas: FormSchema[] = [
+  { type: FormTypeEnum.select, name: 'channel', label: 'Preferred channel', options: ContactMethods },
+  { type: FormTypeEnum.textInput, name: 'contactEmail', label: 'Email', show_on: [{ variable: 'channel', value: 'email' }] },
+  { type: FormTypeEnum.textInput, name: 'contactPhone', label: 'Phone', show_on: [{ variable: 'channel', value: 'phone' }] },
+  { type: FormTypeEnum.boolean, name: 'optIn', label: 'Opt in to marketing messages' },
+]
+
+return (
+  <BaseForm
+    formSchemas={conditionalSchemas}
+    defaultValues={{ channel: 'email', optIn: false }}
+    formClassName="flex flex-col gap-4"
+    onChange={(field, value) => setValues(prev => ({ ...prev, [field]: value }))}
+  />
+)
+        `.trim(),
+      },
+    },
+  },
+}
+
+export const CustomActions: Story = {
+  render: () => <CustomActionsStory />,
+  parameters: {
+    docs: {
+      description: {
+        story: 'Shows how to replace the default submit button with a fully custom footer leveraging contextual form state.',
+      },
+      source: {
+        language: 'tsx',
+        code: `
+const form = useAppForm({
+  defaultValues: {
+    datasetName: 'Support FAQ',
+    datasetDescription: 'Knowledge base snippets sourced from Zendesk exports.',
+  },
+  validators: {
+    onChange: ({ value }) => value.datasetName?.length >= 3 ? undefined : 'Dataset name must contain at least 3 characters.',
+  },
+})
+
+return (
+  <form onSubmit={handleSubmit} className="flex flex-col gap-4">
+    <form.AppField name="datasetName">
+      {field => <field.TextField label="Dataset name" />}
+    </form.AppField>
+    <form.AppField name="datasetDescription">
+      {field => <field.TextAreaField label="Description" />}
+    </form.AppField>
+    <form.AppForm>
+      <form.Actions
+        CustomActions={({ form: appForm, isSubmitting, canSubmit }) => (
+          <div className="flex items-center gap-2">
+            <Button variant="ghost" onClick={() => appForm.reset()} disabled={isSubmitting}>
+              Reset
+            </Button>
+            <Button variant="tertiary" onClick={() => appForm.handleSubmit()} disabled={!canSubmit} loading={isSubmitting}>
+              Save draft
+            </Button>
+            <Button variant="primary" onClick={() => appForm.handleSubmit()} disabled={!canSubmit} loading={isSubmitting}>
+              Publish
+            </Button>
+          </div>
+        )}
+      />
+    </form.AppForm>
+  </form>
+)
+        `.trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/fullscreen-modal/index.stories.tsx b/web/app/components/base/fullscreen-modal/index.stories.tsx
new file mode 100644
index 0000000000..72fd28df66
--- /dev/null
+++ b/web/app/components/base/fullscreen-modal/index.stories.tsx
@@ -0,0 +1,59 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import FullScreenModal from '.'
+
+const meta = {
+  title: 'Base/Feedback/FullScreenModal',
+  component: FullScreenModal,
+  parameters: {
+    layout: 'fullscreen',
+    docs: {
+      description: {
+        component: 'Backdrop-blurred fullscreen modal. Supports close button, custom content, and optional overflow visibility.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof FullScreenModal>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const ModalDemo = (props: React.ComponentProps<typeof FullScreenModal>) => {
+  const [open, setOpen] = useState(false)
+
+  return (
+    <div className="flex h-[360px] items-center justify-center bg-background-default-subtle">
+      <button
+        type="button"
+        className="rounded-md bg-primary-600 px-4 py-2 text-sm font-medium text-white shadow-sm hover:bg-primary-700"
+        onClick={() => setOpen(true)}
+      >
+        Launch full-screen modal
+      </button>
+
+      <FullScreenModal
+        {...props}
+        open={open}
+        onClose={() => setOpen(false)}
+        closable
+      >
+        <div className="flex h-full flex-col bg-background-default-subtle">
+          <div className="flex h-16 items-center justify-center border-b border-divider-subtle text-lg font-semibold text-text-primary">
+            Full-screen experience
+          </div>
+          <div className="flex flex-1 items-center justify-center text-sm text-text-secondary">
+            Place dashboards, flow builders, or immersive previews here.
+          </div>
+        </div>
+      </FullScreenModal>
+    </div>
+  )
+}
+
+export const Playground: Story = {
+  render: args => <ModalDemo {...args} />,
+  args: {
+    open: false,
+  },
+}
diff --git a/web/app/components/base/grid-mask/index.stories.tsx b/web/app/components/base/grid-mask/index.stories.tsx
new file mode 100644
index 0000000000..1b67a1510d
--- /dev/null
+++ b/web/app/components/base/grid-mask/index.stories.tsx
@@ -0,0 +1,51 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import GridMask from '.'
+
+const meta = {
+  title: 'Base/Layout/GridMask',
+  component: GridMask,
+  parameters: {
+    layout: 'fullscreen',
+    docs: {
+      description: {
+        component: 'Displays a soft grid overlay with gradient mask, useful for framing hero sections or marketing callouts.',
+      },
+    },
+  },
+  args: {
+    wrapperClassName: 'rounded-2xl p-10',
+    canvasClassName: '',
+    gradientClassName: '',
+    children: (
+      <div className="relative z-10 flex flex-col gap-3 text-left text-white">
+        <span className="text-xs uppercase tracking-[0.16em] text-white/70">Grid Mask Demo</span>
+        <span className="text-2xl font-semibold leading-tight">Beautiful backgrounds for feature highlights</span>
+        <p className="max-w-md text-sm text-white/80">
+          Place any content inside the mask. On dark backgrounds the grid and soft gradient add depth without distracting from the main message.
+        </p>
+      </div>
+    ),
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof GridMask>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
+
+export const CustomBackground: Story = {
+  args: {
+    wrapperClassName: 'rounded-3xl p-10 bg-[#0A0A1A]',
+    gradientClassName: 'bg-gradient-to-r from-[#0A0A1A]/90 via-[#101030]/60 to-[#05050A]/90',
+    children: (
+      <div className="flex flex-col gap-2 text-white">
+        <span className="text-sm font-medium text-white/80">Custom gradient</span>
+        <span className="text-3xl font-semibold leading-tight">Use your own colors</span>
+        <p className="max-w-md text-sm text-white/70">
+          Override gradient and canvas classes to match brand palettes while keeping the grid texture.
+        </p>
+      </div>
+    ),
+  },
+}
diff --git a/web/app/components/base/image-gallery/index.stories.tsx b/web/app/components/base/image-gallery/index.stories.tsx
new file mode 100644
index 0000000000..c1b463170c
--- /dev/null
+++ b/web/app/components/base/image-gallery/index.stories.tsx
@@ -0,0 +1,39 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import ImageGallery from '.'
+
+const IMAGE_SOURCES = [
+  'data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\' width=\'600\' height=\'400\'><rect width=\'600\' height=\'400\' fill=\'%23E0EAFF\'/><text x=\'50%\' y=\'50%\' dominant-baseline=\'middle\' text-anchor=\'middle\' font-family=\'sans-serif\' font-size=\'48\' fill=\'%23455675\'>Dataset</text></svg>',
+  'data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\' width=\'600\' height=\'400\'><rect width=\'600\' height=\'400\' fill=\'%23FEF7C3\'/><text x=\'50%\' y=\'50%\' dominant-baseline=\'middle\' text-anchor=\'middle\' font-family=\'sans-serif\' font-size=\'48\' fill=\'%237A5B00\'>Playground</text></svg>',
+  'data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\' width=\'600\' height=\'400\'><rect width=\'600\' height=\'400\' fill=\'%23D5F5F6\'/><text x=\'50%\' y=\'50%\' dominant-baseline=\'middle\' text-anchor=\'middle\' font-family=\'sans-serif\' font-size=\'48\' fill=\'%23045C63\'>Workflow</text></svg>',
+  'data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\' width=\'600\' height=\'400\'><rect width=\'600\' height=\'400\' fill=\'%23FCE7F6\'/><text x=\'50%\' y=\'50%\' dominant-baseline=\'middle\' text-anchor=\'middle\' font-family=\'sans-serif\' font-size=\'48\' fill=\'%238E2F63\'>Prompts</text></svg>',
+]
+
+const meta = {
+  title: 'Base/Data Display/ImageGallery',
+  component: ImageGallery,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Responsive thumbnail grid with lightbox preview for larger imagery.',
+      },
+      source: {
+        language: 'tsx',
+        code: `
+<ImageGallery srcs={[
+  'data:image/svg+xml;utf8,<svg ... fill=%23E0EAFF ...>',
+  'data:image/svg+xml;utf8,<svg ... fill=%23FEF7C3 ...>',
+]} />
+        `.trim(),
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    srcs: IMAGE_SOURCES,
+  },
+} satisfies Meta<typeof ImageGallery>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Default: Story = {}
diff --git a/web/app/components/base/image-uploader/image-list.stories.tsx b/web/app/components/base/image-uploader/image-list.stories.tsx
new file mode 100644
index 0000000000..530ef69556
--- /dev/null
+++ b/web/app/components/base/image-uploader/image-list.stories.tsx
@@ -0,0 +1,182 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useMemo, useState } from 'react'
+import ImageList from './image-list'
+import ImageLinkInput from './image-link-input'
+import type { ImageFile } from '@/types/app'
+import { TransferMethod } from '@/types/app'
+
+const SAMPLE_BASE64
+  = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACtWK6eAAAACXBIWXMAAAsSAAALEgHS3X78AAABbElEQVR4nO3SsQkAIBDARMT+V20sTg6LXhWEATnnMHDx4sWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFi1atGjRokWLFu2r/H3n4BG518Gr4AAAAASUVORK5CYII='
+
+const createRemoteImage = (
+  id: string,
+  progress: number,
+  url: string,
+): ImageFile => ({
+  type: TransferMethod.remote_url,
+  _id: id,
+  fileId: `remote-${id}`,
+  progress,
+  url,
+})
+
+const createLocalImage = (id: string, progress: number): ImageFile => ({
+  type: TransferMethod.local_file,
+  _id: id,
+  fileId: `local-${id}`,
+  progress,
+  url: SAMPLE_BASE64,
+  base64Url: SAMPLE_BASE64,
+})
+
+const initialImages: ImageFile[] = [
+  createLocalImage('local-initial', 100),
+  createRemoteImage(
+    'remote-loading',
+    40,
+    'https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=300&q=80',
+  ),
+  {
+    ...createRemoteImage(
+      'remote-error',
+      -1,
+      'https://example.com/not-an-image.jpg',
+    ),
+    url: 'https://example.com/not-an-image.jpg',
+  },
+]
+
+const meta = {
+  title: 'Base/Data Entry/ImageList',
+  component: ImageList,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Renders thumbnails for uploaded images and manages their states like uploading, error, and deletion.',
+      },
+    },
+  },
+  argTypes: {
+    list: { control: false },
+    onRemove: { control: false },
+    onReUpload: { control: false },
+    onImageLinkLoadError: { control: false },
+    onImageLinkLoadSuccess: { control: false },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof ImageList>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const ImageUploaderPlayground = ({ readonly }: Story['args']) => {
+  const [images, setImages] = useState<ImageFile[]>(() => initialImages)
+
+  const activeImages = useMemo(() => images.filter(item => !item.deleted), [images])
+
+  const handleRemove = (id: string) => {
+    setImages(prev => prev.map(item => (item._id === id ? { ...item, deleted: true } : item)))
+  }
+
+  const handleReUpload = (id: string) => {
+    setImages(prev => prev.map((item) => {
+      if (item._id !== id)
+        return item
+
+      return {
+        ...item,
+        progress: 60,
+      }
+    }))
+
+    setTimeout(() => {
+      setImages(prev => prev.map((item) => {
+        if (item._id !== id)
+          return item
+
+        return {
+          ...item,
+          progress: 100,
+        }
+      }))
+    }, 1200)
+  }
+
+  const handleImageLinkLoadSuccess = (id: string) => {
+    setImages(prev => prev.map(item => (item._id === id ? { ...item, progress: 100 } : item)))
+  }
+
+  const handleImageLinkLoadError = (id: string) => {
+    setImages(prev => prev.map(item => (item._id === id ? { ...item, progress: -1 } : item)))
+  }
+
+  const handleUploadFromLink = (imageFile: ImageFile) => {
+    setImages(prev => [
+      ...prev,
+      {
+        ...imageFile,
+        fileId: `remote-${imageFile._id}`,
+      },
+    ])
+  }
+
+  const handleAddLocalImage = () => {
+    const id = `local-${Date.now()}`
+    setImages(prev => [
+      ...prev,
+      createLocalImage(id, 100),
+    ])
+  }
+
+  return (
+    <div className="flex w-[360px] flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-4">
+      <div className="flex flex-col gap-2">
+        <span className="text-xs font-medium uppercase tracking-[0.18em] text-text-tertiary">Add images</span>
+        <div className="flex items-center gap-2">
+          <ImageLinkInput onUpload={handleUploadFromLink} disabled={readonly} />
+          <button
+            type="button"
+            className="rounded-md border border-divider-subtle px-2 py-1 text-xs font-medium text-text-secondary hover:bg-state-base-hover disabled:cursor-not-allowed disabled:text-text-tertiary"
+            onClick={handleAddLocalImage}
+            disabled={readonly}
+          >
+            Simulate local
+          </button>
+        </div>
+      </div>
+
+      <ImageList
+        list={activeImages}
+        readonly={readonly}
+        onRemove={handleRemove}
+        onReUpload={handleReUpload}
+        onImageLinkLoadSuccess={handleImageLinkLoadSuccess}
+        onImageLinkLoadError={handleImageLinkLoadError}
+      />
+
+      <div className="rounded-lg border border-divider-subtle bg-background-default p-2">
+        <span className="mb-1 block text-[11px] font-semibold uppercase tracking-[0.1em] text-text-tertiary">
+          Files state
+        </span>
+        <pre className="max-h-40 overflow-auto text-[11px] leading-relaxed text-text-tertiary">
+          {JSON.stringify(activeImages, null, 2)}
+        </pre>
+      </div>
+    </div>
+  )
+}
+
+export const Playground: Story = {
+  render: args => <ImageUploaderPlayground {...args} />,
+  args: {
+    list: [],
+  },
+}
+
+export const ReadonlyList: Story = {
+  render: args => <ImageUploaderPlayground {...args} />,
+  args: {
+    list: [],
+  },
+}
diff --git a/web/app/components/base/inline-delete-confirm/index.stories.tsx b/web/app/components/base/inline-delete-confirm/index.stories.tsx
new file mode 100644
index 0000000000..e0b0757718
--- /dev/null
+++ b/web/app/components/base/inline-delete-confirm/index.stories.tsx
@@ -0,0 +1,87 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { fn } from 'storybook/test'
+import { useState } from 'react'
+import InlineDeleteConfirm from '.'
+
+const meta = {
+  title: 'Base/Feedback/InlineDeleteConfirm',
+  component: InlineDeleteConfirm,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Compact confirmation prompt that appears inline, commonly used near delete buttons or destructive controls.',
+      },
+    },
+  },
+  argTypes: {
+    variant: {
+      control: 'select',
+      options: ['delete', 'warning', 'info'],
+    },
+  },
+  args: {
+    title: 'Delete this item?',
+    confirmText: 'Delete',
+    cancelText: 'Cancel',
+    onConfirm: fn(),
+    onCancel: fn(),
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof InlineDeleteConfirm>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const InlineDeleteConfirmDemo = (args: Story['args']) => {
+  const [visible, setVisible] = useState(true)
+
+  return (
+    <div className="flex flex-col items-start gap-3">
+      <button
+        type="button"
+        className="rounded-md border border-divider-subtle px-3 py-1.5 text-xs font-medium text-text-secondary hover:bg-state-base-hover"
+        onClick={() => setVisible(true)}
+      >
+        Trigger inline confirm
+      </button>
+      {visible && (
+        <InlineDeleteConfirm
+          {...args}
+          onConfirm={() => {
+            console.log('✅ Confirm clicked')
+            setVisible(false)
+          }}
+          onCancel={() => {
+            console.log('❎ Cancel clicked')
+            setVisible(false)
+          }}
+        />
+      )}
+    </div>
+  )
+}
+
+export const Playground: Story = {
+  render: args => <InlineDeleteConfirmDemo {...args} />,
+}
+
+export const WarningVariant: Story = {
+  render: args => <InlineDeleteConfirmDemo {...args} />,
+  args: {
+    variant: 'warning',
+    title: 'Archive conversation?',
+    confirmText: 'Archive',
+    cancelText: 'Keep',
+  },
+}
+
+export const InfoVariant: Story = {
+  render: args => <InlineDeleteConfirmDemo {...args} />,
+  args: {
+    variant: 'info',
+    title: 'Remove collaborator?',
+    confirmText: 'Remove',
+    cancelText: 'Keep',
+  },
+}
diff --git a/web/app/components/base/input-number/index.stories.tsx b/web/app/components/base/input-number/index.stories.tsx
index aa075b0ff1..88999af9e0 100644
--- a/web/app/components/base/input-number/index.stories.tsx
+++ b/web/app/components/base/input-number/index.stories.tsx
@@ -3,7 +3,7 @@ import { useState } from 'react'
 import { InputNumber } from '.'
 
 const meta = {
-  title: 'Base/Input/InputNumber',
+  title: 'Base/Data Entry/InputNumber',
   component: InputNumber,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/input/index.stories.tsx b/web/app/components/base/input/index.stories.tsx
index 04df0bf943..c877579879 100644
--- a/web/app/components/base/input/index.stories.tsx
+++ b/web/app/components/base/input/index.stories.tsx
@@ -3,7 +3,7 @@ import { useState } from 'react'
 import Input from '.'
 
 const meta = {
-  title: 'Base/Input/Input',
+  title: 'Base/Data Entry/Input',
   component: Input,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/linked-apps-panel/index.stories.tsx b/web/app/components/base/linked-apps-panel/index.stories.tsx
new file mode 100644
index 0000000000..786d1bdf56
--- /dev/null
+++ b/web/app/components/base/linked-apps-panel/index.stories.tsx
@@ -0,0 +1,72 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import LinkedAppsPanel from '.'
+import type { RelatedApp } from '@/models/datasets'
+
+const mockRelatedApps: RelatedApp[] = [
+  {
+    id: 'app-cx',
+    name: 'Customer Support Assistant',
+    mode: 'chat',
+    icon_type: 'emoji',
+    icon: '\u{1F4AC}',
+    icon_background: '#EEF2FF',
+    icon_url: '',
+  },
+  {
+    id: 'app-ops',
+    name: 'Ops Workflow Orchestrator',
+    mode: 'workflow',
+    icon_type: 'emoji',
+    icon: '\u{1F6E0}\u{FE0F}',
+    icon_background: '#ECFDF3',
+    icon_url: '',
+  },
+  {
+    id: 'app-research',
+    name: 'Research Synthesizer',
+    mode: 'advanced-chat',
+    icon_type: 'emoji',
+    icon: '\u{1F9E0}',
+    icon_background: '#FDF2FA',
+    icon_url: '',
+  },
+]
+
+const meta = {
+  title: 'Base/Feedback/LinkedAppsPanel',
+  component: LinkedAppsPanel,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Shows a curated list of related applications, pairing each app icon with quick navigation links.',
+      },
+    },
+  },
+  args: {
+    relatedApps: mockRelatedApps,
+    isMobile: false,
+  },
+  argTypes: {
+    isMobile: {
+      control: 'boolean',
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof LinkedAppsPanel>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Desktop: Story = {}
+
+export const Mobile: Story = {
+  args: {
+    isMobile: true,
+  },
+  parameters: {
+    viewport: {
+      defaultViewport: 'mobile2',
+    },
+  },
+}
diff --git a/web/app/components/base/list-empty/index.stories.tsx b/web/app/components/base/list-empty/index.stories.tsx
new file mode 100644
index 0000000000..36c0e3c7a7
--- /dev/null
+++ b/web/app/components/base/list-empty/index.stories.tsx
@@ -0,0 +1,49 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import ListEmpty from '.'
+
+const meta = {
+  title: 'Base/Data Display/ListEmpty',
+  component: ListEmpty,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Large empty state card used in panels and drawers to hint at the next action for the user.',
+      },
+    },
+  },
+  args: {
+    title: 'No items yet',
+    description: (
+      <p className="text-xs leading-5 text-text-tertiary">
+        Add your first entry to see it appear here. Empty states help users discover what happens next.
+      </p>
+    ),
+  },
+  argTypes: {
+    description: { control: false },
+    icon: { control: false },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof ListEmpty>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Default: Story = {}
+
+export const WithCustomIcon: Story = {
+  args: {
+    title: 'Connect a data source',
+    description: (
+      <p className="text-xs leading-5 text-text-secondary">
+        Choose a database, knowledge base, or upload documents to get started with retrieval.
+      </p>
+    ),
+    icon: (
+      <div className="flex h-8 w-8 items-center justify-center rounded-lg bg-gradient-to-br from-primary-100 via-primary-200 to-primary-300 text-primary-700 shadow-sm">
+        {'\u{26A1}\u{FE0F}'}
+      </div>
+    ),
+  },
+}
diff --git a/web/app/components/base/loading/index.stories.tsx b/web/app/components/base/loading/index.stories.tsx
new file mode 100644
index 0000000000..f22f87516c
--- /dev/null
+++ b/web/app/components/base/loading/index.stories.tsx
@@ -0,0 +1,52 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import Loading from '.'
+
+const meta = {
+  title: 'Base/Feedback/Loading',
+  component: Loading,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Spinner used while fetching data (`area`) or bootstrapping the full application shell (`app`).',
+      },
+    },
+  },
+  argTypes: {
+    type: {
+      control: 'radio',
+      options: ['area', 'app'],
+    },
+  },
+  args: {
+    type: 'area',
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof Loading>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const LoadingPreview = ({ type }: { type: 'area' | 'app' }) => {
+  const containerHeight = type === 'app' ? 'h-48' : 'h-20'
+  const title = type === 'app' ? 'App loading state' : 'Inline loading state'
+
+  return (
+    <div className="flex flex-col items-center gap-4">
+      <span className="text-xs uppercase tracking-[0.18em] text-text-tertiary">{title}</span>
+      <div
+        className={`flex w-64 items-center justify-center rounded-xl border border-divider-subtle bg-background-default-subtle ${containerHeight}`}
+      >
+        <Loading type={type} />
+      </div>
+    </div>
+  )
+}
+
+export const AreaSpinner: Story = {
+  render: () => <LoadingPreview type="area" />,
+}
+
+export const AppSpinner: Story = {
+  render: () => <LoadingPreview type="app" />,
+}
diff --git a/web/app/components/base/logo/index.stories.tsx b/web/app/components/base/logo/index.stories.tsx
new file mode 100644
index 0000000000..01464b8c13
--- /dev/null
+++ b/web/app/components/base/logo/index.stories.tsx
@@ -0,0 +1,82 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { ThemeProvider } from 'next-themes'
+import type { ReactNode } from 'react'
+import DifyLogo from './dify-logo'
+import LogoSite from './logo-site'
+import LogoEmbeddedChatHeader from './logo-embedded-chat-header'
+import LogoEmbeddedChatAvatar from './logo-embedded-chat-avatar'
+
+const meta = {
+  title: 'Base/General/Logo',
+  component: DifyLogo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Brand assets rendered in different contexts. DifyLogo adapts to the active theme while other variants target specific surfaces.',
+      },
+    },
+  },
+  args: {
+    size: 'medium',
+    style: 'default',
+  },
+  argTypes: {
+    size: {
+      control: 'radio',
+      options: ['large', 'medium', 'small'],
+    },
+    style: {
+      control: 'radio',
+      options: ['default', 'monochromeWhite'],
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof DifyLogo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+const ThemePreview = ({ theme, children }: { theme: 'light' | 'dark'; children: ReactNode }) => {
+  return (
+    <ThemeProvider attribute="data-theme" forcedTheme={theme} enableSystem={false}>
+      <div
+        className={'min-w-[320px] rounded-2xl border border-divider-subtle bg-background-default-subtle p-6 shadow-sm'}
+      >
+        {children}
+      </div>
+    </ThemeProvider>
+  )
+}
+
+export const Playground: Story = {
+  render: ({ size, style }) => {
+    return (
+      <ThemePreview theme="dark">
+        <div className="flex flex-col gap-6">
+          <div className="flex flex-col gap-2">
+            <span className="text-xs uppercase tracking-[0.18em] text-text-tertiary">Primary logo</span>
+            <div className="flex items-center justify-between rounded-xl border border-divider-subtle bg-background-default p-4">
+              <DifyLogo size={size} style={style} />
+              <code className="text-[11px] text-text-tertiary">{`size="${size}" | style="${style}"`}</code>
+            </div>
+          </div>
+          <div className="grid gap-4 sm:grid-cols-2">
+            <div className="flex flex-col gap-2 rounded-xl border border-divider-subtle bg-background-default p-4">
+              <span className="text-[11px] font-medium uppercase tracking-[0.1em] text-text-tertiary">Site favicon</span>
+              <LogoSite />
+            </div>
+            <div className="flex flex-col gap-2 rounded-xl border border-divider-subtle bg-background-default p-4">
+              <span className="text-[11px] font-medium uppercase tracking-[0.1em] text-text-tertiary">Embedded header</span>
+              <LogoEmbeddedChatHeader />
+            </div>
+            <div className="flex flex-col gap-2 rounded-xl border border-divider-subtle bg-background-default p-4 sm:col-span-2">
+              <span className="text-[11px] font-medium uppercase tracking-[0.1em] text-text-tertiary">Embedded avatar</span>
+              <LogoEmbeddedChatAvatar className="border-divider-strong rounded-2xl border" />
+            </div>
+          </div>
+        </div>
+      </ThemePreview>
+    )
+  },
+}
diff --git a/web/app/components/base/markdown-blocks/code-block.stories.tsx b/web/app/components/base/markdown-blocks/code-block.stories.tsx
new file mode 100644
index 0000000000..98473bdf57
--- /dev/null
+++ b/web/app/components/base/markdown-blocks/code-block.stories.tsx
@@ -0,0 +1,70 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import CodeBlock from './code-block'
+
+const SAMPLE_CODE = `const greet = (name: string) => {
+  return \`Hello, \${name}\`
+}
+
+console.log(greet('Dify'))`
+
+const CodeBlockDemo = ({
+  language = 'typescript',
+}: {
+  language?: string
+}) => {
+  return (
+    <div className="flex w-full max-w-xl flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="text-xs uppercase tracking-[0.18em] text-text-tertiary">Code block</div>
+      <CodeBlock
+        className={`language-${language}`}
+      >
+        {SAMPLE_CODE}
+      </CodeBlock>
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Data Display/CodeBlock',
+  component: CodeBlockDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Syntax highlighted code block with copy button and SVG toggle support.',
+      },
+    },
+  },
+  argTypes: {
+    language: {
+      control: 'radio',
+      options: ['typescript', 'json', 'mermaid'],
+    },
+  },
+  args: {
+    language: 'typescript',
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof CodeBlockDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
+
+export const Mermaid: Story = {
+  args: {
+    language: 'mermaid',
+  },
+  render: ({ language }) => (
+    <div className="flex w-full max-w-xl flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <CodeBlock className={`language-${language}`}>
+        {`graph TD
+  Start --> Decision{User message?}
+  Decision -->|Tool| ToolCall[Call web search]
+  Decision -->|Respond| Answer[Compose draft]
+`}
+      </CodeBlock>
+    </div>
+  ),
+}
diff --git a/web/app/components/base/markdown-blocks/think-block.stories.tsx b/web/app/components/base/markdown-blocks/think-block.stories.tsx
new file mode 100644
index 0000000000..571959259a
--- /dev/null
+++ b/web/app/components/base/markdown-blocks/think-block.stories.tsx
@@ -0,0 +1,78 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import ThinkBlock from './think-block'
+import { ChatContextProvider } from '@/app/components/base/chat/chat/context'
+
+const THOUGHT_TEXT = `
+Gather docs from knowledge base.
+Score snippets against query.
+[ENDTHINKFLAG]
+`
+
+const ThinkBlockDemo = ({
+  responding = false,
+}: {
+  responding?: boolean
+}) => {
+  const [isResponding, setIsResponding] = useState(responding)
+
+  return (
+    <ChatContextProvider
+      config={undefined}
+      isResponding={isResponding}
+      chatList={[]}
+      showPromptLog={false}
+      questionIcon={undefined}
+      answerIcon={undefined}
+      onSend={undefined}
+      onRegenerate={undefined}
+      onAnnotationEdited={undefined}
+      onAnnotationAdded={undefined}
+      onAnnotationRemoved={undefined}
+      onFeedback={undefined}
+    >
+      <div className="flex w-full max-w-xl flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+        <div className="flex items-center justify-between text-xs uppercase tracking-[0.18em] text-text-tertiary">
+          <span>Think block</span>
+          <button
+            type="button"
+            className="rounded-md border border-divider-subtle bg-background-default px-3 py-1 text-xs font-medium text-text-secondary hover:bg-state-base-hover"
+            onClick={() => setIsResponding(prev => !prev)}
+          >
+            {isResponding ? 'Mark complete' : 'Simulate thinking'}
+          </button>
+        </div>
+        <ThinkBlock data-think>
+          <pre className="whitespace-pre-wrap text-sm text-text-secondary">
+            {THOUGHT_TEXT}
+          </pre>
+        </ThinkBlock>
+      </div>
+    </ChatContextProvider>
+  )
+}
+
+const meta = {
+  title: 'Base/Data Display/ThinkBlock',
+  component: ThinkBlockDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Expandable chain-of-thought block used in chat responses. Toggles between “thinking” and completed states.',
+      },
+    },
+  },
+  argTypes: {
+    responding: { control: 'boolean' },
+  },
+  args: {
+    responding: false,
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof ThinkBlockDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/markdown/index.stories.tsx b/web/app/components/base/markdown/index.stories.tsx
new file mode 100644
index 0000000000..8c940e01cf
--- /dev/null
+++ b/web/app/components/base/markdown/index.stories.tsx
@@ -0,0 +1,88 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import { Markdown } from '.'
+
+const SAMPLE_MD = `
+# Product Update
+
+Our agent now supports **tool-runs** with structured outputs.
+
+## Highlights
+- Faster reasoning with \\(O(n \\log n)\\) planning.
+- Inline chain-of-thought:
+
+<details data-think>
+<summary>Thinking aloud</summary>
+
+Check cached metrics first.  
+If missing, fetch raw warehouse data.  
+[ENDTHINKFLAG]
+
+</details>
+
+## Mermaid Diagram
+\`\`\`mermaid
+graph TD
+  Start[User Message] --> Parse{Detect Intent?}
+  Parse -->|Tool| ToolCall[Call search tool]
+  Parse -->|Answer| Respond[Stream response]
+  ToolCall --> Respond
+\`\`\`
+
+## Code Example
+\`\`\`typescript
+const reply = await client.chat({
+  message: 'Summarise weekly metrics.',
+  tags: ['analytics'],
+})
+\`\`\`
+`
+
+const MarkdownDemo = ({
+  compact = false,
+}: {
+  compact?: boolean
+}) => {
+  const [content] = useState(SAMPLE_MD.trim())
+
+  return (
+    <div className="flex w-full max-w-3xl flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="text-xs uppercase tracking-[0.18em] text-text-tertiary">Markdown renderer</div>
+      <Markdown
+        content={content}
+        className={compact ? '!text-sm leading-relaxed' : ''}
+      />
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Data Display/Markdown',
+  component: MarkdownDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Markdown wrapper with GitHub-flavored markdown, Mermaid diagrams, math, and custom blocks (details, audio, etc.).',
+      },
+    },
+  },
+  argTypes: {
+    compact: { control: 'boolean' },
+  },
+  args: {
+    compact: false,
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof MarkdownDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
+
+export const Compact: Story = {
+  args: {
+    compact: true,
+  },
+}
diff --git a/web/app/components/base/mermaid/index.stories.tsx b/web/app/components/base/mermaid/index.stories.tsx
new file mode 100644
index 0000000000..73030d7905
--- /dev/null
+++ b/web/app/components/base/mermaid/index.stories.tsx
@@ -0,0 +1,64 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import Flowchart from '.'
+
+const SAMPLE = `
+flowchart LR
+  A[User Message] --> B{Agent decides}
+  B -->|Needs tool| C[Search Tool]
+  C --> D[Combine result]
+  B -->|Direct answer| D
+  D --> E[Send response]
+`
+
+const MermaidDemo = ({
+  theme = 'light',
+}: {
+  theme?: 'light' | 'dark'
+}) => {
+  const [currentTheme, setCurrentTheme] = useState<'light' | 'dark'>(theme)
+
+  return (
+    <div className="flex w-full max-w-3xl flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="flex items-center justify-between text-xs uppercase tracking-[0.18em] text-text-tertiary">
+        <span>Mermaid diagram</span>
+        <button
+          type="button"
+          className="rounded-md border border-divider-subtle bg-background-default px-3 py-1 text-xs font-medium text-text-secondary hover:bg-state-base-hover"
+          onClick={() => setCurrentTheme(prev => (prev === 'light' ? 'dark' : 'light'))}
+        >
+          Toggle theme
+        </button>
+      </div>
+      <Flowchart PrimitiveCode={SAMPLE.trim()} theme={currentTheme} />
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Data Display/Mermaid',
+  component: MermaidDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Mermaid renderer with custom theme toggle and caching. Useful for visualizing agent flows.',
+      },
+    },
+  },
+  argTypes: {
+    theme: {
+      control: 'inline-radio',
+      options: ['light', 'dark'],
+    },
+  },
+  args: {
+    theme: 'light',
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof MermaidDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/message-log-modal/index.stories.tsx b/web/app/components/base/message-log-modal/index.stories.tsx
new file mode 100644
index 0000000000..3dd4b06a55
--- /dev/null
+++ b/web/app/components/base/message-log-modal/index.stories.tsx
@@ -0,0 +1,185 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useEffect } from 'react'
+import MessageLogModal from '.'
+import type { IChatItem } from '@/app/components/base/chat/chat/type'
+import { useStore } from '@/app/components/app/store'
+import type { WorkflowRunDetailResponse } from '@/models/log'
+import type { NodeTracing, NodeTracingListResponse } from '@/types/workflow'
+import { BlockEnum } from '@/app/components/workflow/types'
+
+const SAMPLE_APP_DETAIL = {
+  id: 'app-demo-1',
+  name: 'Support Assistant',
+  mode: 'chat',
+} as any
+
+const mockRunDetail: WorkflowRunDetailResponse = {
+  id: 'run-demo-1',
+  version: 'v1.0.0',
+  graph: {
+    nodes: [],
+    edges: [],
+  },
+  inputs: JSON.stringify({ question: 'How do I reset my password?' }, null, 2),
+  inputs_truncated: false,
+  status: 'succeeded',
+  outputs: JSON.stringify({ answer: 'Follow the reset link we just emailed you.' }, null, 2),
+  outputs_truncated: false,
+  total_steps: 3,
+  created_by_role: 'account',
+  created_by_account: {
+    id: 'account-1',
+    name: 'Demo Admin',
+    email: 'demo@example.com',
+  },
+  created_at: 1700000000,
+  finished_at: 1700000006,
+  elapsed_time: 5.2,
+  total_tokens: 864,
+}
+
+const buildNode = (override: Partial<NodeTracing>): NodeTracing => ({
+  id: 'node-start',
+  index: 0,
+  predecessor_node_id: '',
+  node_id: 'node-start',
+  node_type: BlockEnum.Start,
+  title: 'Start',
+  inputs: {},
+  inputs_truncated: false,
+  process_data: {},
+  process_data_truncated: false,
+  outputs: {},
+  outputs_truncated: false,
+  status: 'succeeded',
+  metadata: {
+    iterator_length: 1,
+    iterator_index: 0,
+    loop_length: 1,
+    loop_index: 0,
+  },
+  created_at: 1700000000,
+  created_by: {
+    id: 'account-1',
+    name: 'Demo Admin',
+    email: 'demo@example.com',
+  },
+  finished_at: 1700000001,
+  elapsed_time: 1.1,
+  extras: {},
+  ...override,
+})
+
+const mockTracingList: NodeTracingListResponse = {
+  data: [
+    buildNode({}),
+    buildNode({
+      id: 'node-answer',
+      node_id: 'node-answer',
+      node_type: BlockEnum.Answer,
+      title: 'Answer',
+      inputs: { prompt: 'How do I reset my password?' },
+      outputs: { output: 'Follow the reset link we just emailed you.' },
+      finished_at: 1700000005,
+      elapsed_time: 2.6,
+    }),
+  ],
+}
+
+const mockCurrentLogItem: IChatItem = {
+  id: 'message-1',
+  content: 'Follow the reset link we just emailed you.',
+  isAnswer: true,
+  workflow_run_id: 'run-demo-1',
+}
+
+const useMessageLogMocks = () => {
+  useEffect(() => {
+    const store = useStore.getState()
+    store.setAppDetail(SAMPLE_APP_DETAIL)
+
+    const originalFetch = globalThis.fetch?.bind(globalThis) ?? null
+
+    const handle = async (input: RequestInfo | URL, init?: RequestInit) => {
+      const url = typeof input === 'string'
+        ? input
+        : input instanceof URL
+          ? input.toString()
+          : input.url
+
+      if (url.includes('/workflow-runs/run-demo-1/') && url.endsWith('/node-executions')) {
+        return new Response(
+          JSON.stringify(mockTracingList),
+          { headers: { 'Content-Type': 'application/json' }, status: 200 },
+        )
+      }
+
+      if (url.endsWith('/workflow-runs/run-demo-1')) {
+        return new Response(
+          JSON.stringify(mockRunDetail),
+          { headers: { 'Content-Type': 'application/json' }, status: 200 },
+        )
+      }
+
+      if (originalFetch)
+        return originalFetch(input, init)
+
+      throw new Error(`Unmocked fetch call for ${url}`)
+    }
+
+    globalThis.fetch = handle as typeof globalThis.fetch
+
+    return () => {
+      globalThis.fetch = originalFetch || globalThis.fetch
+      useStore.getState().setAppDetail(undefined)
+    }
+  }, [])
+}
+
+type MessageLogModalProps = React.ComponentProps<typeof MessageLogModal>
+
+const MessageLogPreview = (props: MessageLogModalProps) => {
+  useMessageLogMocks()
+
+  return (
+    <div className="relative min-h-[640px] w-full bg-background-default-subtle p-6">
+      <MessageLogModal
+        {...props}
+        currentLogItem={mockCurrentLogItem}
+      />
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Feedback/MessageLogModal',
+  component: MessageLogPreview,
+  parameters: {
+    layout: 'fullscreen',
+    docs: {
+      description: {
+        component: 'Workflow run inspector presented alongside chat transcripts. This Storybook mock provides canned run details and tracing metadata.',
+      },
+    },
+  },
+  args: {
+    defaultTab: 'DETAIL',
+    width: 960,
+    fixedWidth: true,
+    onCancel: () => {
+      console.log('Modal closed')
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof MessageLogPreview>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const FixedPanel: Story = {}
+
+export const FloatingPanel: Story = {
+  args: {
+    fixedWidth: false,
+  },
+}
diff --git a/web/app/components/base/modal-like-wrap/index.stories.tsx b/web/app/components/base/modal-like-wrap/index.stories.tsx
index 1de38e14c9..c7d66b8e6a 100644
--- a/web/app/components/base/modal-like-wrap/index.stories.tsx
+++ b/web/app/components/base/modal-like-wrap/index.stories.tsx
@@ -2,7 +2,7 @@ import type { Meta, StoryObj } from '@storybook/nextjs'
 import ModalLikeWrap from '.'
 
 const meta = {
-  title: 'Base/Dialog/ModalLikeWrap',
+  title: 'Base/Feedback/ModalLikeWrap',
   component: ModalLikeWrap,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/modal/index.stories.tsx b/web/app/components/base/modal/index.stories.tsx
index e561acebbb..c0ea31eb42 100644
--- a/web/app/components/base/modal/index.stories.tsx
+++ b/web/app/components/base/modal/index.stories.tsx
@@ -3,7 +3,7 @@ import { useEffect, useState } from 'react'
 import Modal from '.'
 
 const meta = {
-  title: 'Base/Dialog/Modal',
+  title: 'Base/Feedback/Modal',
   component: Modal,
   parameters: {
     layout: 'fullscreen',
diff --git a/web/app/components/base/modal/modal.stories.tsx b/web/app/components/base/modal/modal.stories.tsx
index 3e5be78a5b..adb80aebe6 100644
--- a/web/app/components/base/modal/modal.stories.tsx
+++ b/web/app/components/base/modal/modal.stories.tsx
@@ -3,7 +3,7 @@ import { useEffect, useState } from 'react'
 import Modal from './modal'
 
 const meta = {
-  title: 'Base/Dialog/RichModal',
+  title: 'Base/Feedback/RichModal',
   component: Modal,
   parameters: {
     layout: 'fullscreen',
diff --git a/web/app/components/base/new-audio-button/index.stories.tsx b/web/app/components/base/new-audio-button/index.stories.tsx
index d2f9b8b4d5..c672392562 100644
--- a/web/app/components/base/new-audio-button/index.stories.tsx
+++ b/web/app/components/base/new-audio-button/index.stories.tsx
@@ -20,7 +20,7 @@ const StoryWrapper = (props: ComponentProps<typeof AudioBtn>) => {
 }
 
 const meta = {
-  title: 'Base/Button/NewAudioButton',
+  title: 'Base/General/NewAudioButton',
   component: AudioBtn,
   tags: ['autodocs'],
   parameters: {
diff --git a/web/app/components/base/notion-connector/index.stories.tsx b/web/app/components/base/notion-connector/index.stories.tsx
new file mode 100644
index 0000000000..eb8b17df3f
--- /dev/null
+++ b/web/app/components/base/notion-connector/index.stories.tsx
@@ -0,0 +1,26 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import NotionConnector from '.'
+
+const meta = {
+  title: 'Base/Other/NotionConnector',
+  component: NotionConnector,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Call-to-action card inviting users to connect a Notion workspace. Shows the product icon, copy, and primary button.',
+      },
+    },
+  },
+  args: {
+    onSetting: () => {
+      console.log('Open Notion settings')
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof NotionConnector>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/notion-icon/index.stories.tsx b/web/app/components/base/notion-icon/index.stories.tsx
new file mode 100644
index 0000000000..5389a6f935
--- /dev/null
+++ b/web/app/components/base/notion-icon/index.stories.tsx
@@ -0,0 +1,129 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import NotionIcon from '.'
+
+const meta = {
+  title: 'Base/General/NotionIcon',
+  component: NotionIcon,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Renders workspace and page icons returned from Notion APIs, falling back to text initials or the default document glyph.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    type: 'workspace',
+    name: 'Knowledge Base',
+    src: 'https://cloud.dify.ai/logo/logo.svg',
+  },
+} satisfies Meta<typeof NotionIcon>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const WorkspaceIcon: Story = {
+  render: args => (
+    <div className="flex items-center gap-3 rounded-lg border border-divider-subtle bg-components-panel-bg p-4">
+      <NotionIcon {...args} />
+      <span className="text-sm text-text-secondary">Workspace icon pulled from a remote URL.</span>
+    </div>
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<NotionIcon
+  type="workspace"
+  name="Knowledge Base"
+  src="https://cloud.dify.ai/logo/logo.svg"
+/>`
+          .trim(),
+      },
+    },
+  },
+}
+
+export const WorkspaceInitials: Story = {
+  render: args => (
+    <div className="flex items-center gap-3 rounded-lg border border-divider-subtle bg-components-panel-bg p-4">
+      <NotionIcon {...args} src={null} name="Operations" />
+      <span className="text-sm text-text-secondary">Fallback initial rendered when no icon URL is available.</span>
+    </div>
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<NotionIcon type="workspace" name="Operations" src={null} />`
+          .trim(),
+      },
+    },
+  },
+}
+
+export const PageEmoji: Story = {
+  render: args => (
+    <div className="flex items-center gap-3 rounded-lg border border-divider-subtle bg-components-panel-bg p-4">
+      <NotionIcon {...args} type="page" src={{ type: 'emoji', emoji: '🧠', url: '' }} />
+      <span className="text-sm text-text-secondary">Page-level emoji icon returned by the API.</span>
+    </div>
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<NotionIcon type="page" src={{ type: 'emoji', emoji: '🧠' }} />`
+          .trim(),
+      },
+    },
+  },
+}
+
+export const PageImage: Story = {
+  render: args => (
+    <div className="flex items-center gap-3 rounded-lg border border-divider-subtle bg-components-panel-bg p-4">
+      <NotionIcon
+        {...args}
+        type="page"
+        src={{ type: 'url', url: 'https://images.unsplash.com/photo-1521737604893-d14cc237f11d?auto=format&fit=crop&w=80&q=60', emoji: '' }}
+      />
+      <span className="text-sm text-text-secondary">Page icon resolved from an image URL.</span>
+    </div>
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<NotionIcon
+  type="page"
+  src={{ type: 'url', url: 'https://images.unsplash.com/photo-1521737604893-d14cc237f11d?auto=format&fit=crop&w=80&q=60' }}
+/>`
+          .trim(),
+      },
+    },
+  },
+}
+
+export const DefaultIcon: Story = {
+  render: args => (
+    <div className="flex items-center gap-3 rounded-lg border border-divider-subtle bg-components-panel-bg p-4">
+      <NotionIcon {...args} type="page" src={undefined} />
+      <span className="text-sm text-text-secondary">When neither emoji nor URL is provided, the generic document icon is shown.</span>
+    </div>
+  ),
+  parameters: {
+    docs: {
+      source: {
+        language: 'tsx',
+        code: `
+<NotionIcon type="page" src={undefined} />`
+          .trim(),
+      },
+    },
+  },
+}
diff --git a/web/app/components/base/notion-page-selector/index.stories.tsx b/web/app/components/base/notion-page-selector/index.stories.tsx
new file mode 100644
index 0000000000..6fdee03adb
--- /dev/null
+++ b/web/app/components/base/notion-page-selector/index.stories.tsx
@@ -0,0 +1,200 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useEffect, useMemo, useState } from 'react'
+import { CredentialTypeEnum } from '@/app/components/plugins/plugin-auth/types'
+import { NotionPageSelector } from '.'
+import type { DataSourceCredential } from '@/app/components/header/account-setting/data-source-page-new/types'
+import type { NotionPage } from '@/models/common'
+
+const DATASET_ID = 'dataset-demo'
+const CREDENTIALS: DataSourceCredential[] = [
+  {
+    id: 'cred-1',
+    name: 'Marketing Workspace',
+    type: CredentialTypeEnum.OAUTH2,
+    is_default: true,
+    avatar_url: '',
+    credential: {
+      workspace_name: 'Marketing Workspace',
+      workspace_icon: null,
+      workspace_id: 'workspace-1',
+    },
+  },
+  {
+    id: 'cred-2',
+    name: 'Product Workspace',
+    type: CredentialTypeEnum.OAUTH2,
+    is_default: false,
+    avatar_url: '',
+    credential: {
+      workspace_name: 'Product Workspace',
+      workspace_icon: null,
+      workspace_id: 'workspace-2',
+    },
+  },
+]
+
+const marketingPages = {
+  notion_info: [
+    {
+      workspace_name: 'Marketing Workspace',
+      workspace_id: 'workspace-1',
+      workspace_icon: null,
+      pages: [
+        {
+          page_icon: { type: 'emoji', emoji: '\u{1F4CB}', url: null },
+          page_id: 'briefs',
+          page_name: 'Campaign Briefs',
+          parent_id: 'root',
+          type: 'page',
+          is_bound: false,
+        },
+        {
+          page_icon: { type: 'emoji', emoji: '\u{1F4DD}', url: null },
+          page_id: 'notes',
+          page_name: 'Meeting Notes',
+          parent_id: 'root',
+          type: 'page',
+          is_bound: true,
+        },
+        {
+          page_icon: { type: 'emoji', emoji: '\u{1F30D}', url: null },
+          page_id: 'localizations',
+          page_name: 'Localization Pipeline',
+          parent_id: 'briefs',
+          type: 'page',
+          is_bound: false,
+        },
+      ],
+    },
+  ],
+}
+
+const productPages = {
+  notion_info: [
+    {
+      workspace_name: 'Product Workspace',
+      workspace_id: 'workspace-2',
+      workspace_icon: null,
+      pages: [
+        {
+          page_icon: { type: 'emoji', emoji: '\u{1F4A1}', url: null },
+          page_id: 'ideas',
+          page_name: 'Idea Backlog',
+          parent_id: 'root',
+          type: 'page',
+          is_bound: false,
+        },
+        {
+          page_icon: { type: 'emoji', emoji: '\u{1F9EA}', url: null },
+          page_id: 'experiments',
+          page_name: 'Experiments',
+          parent_id: 'ideas',
+          type: 'page',
+          is_bound: false,
+        },
+      ],
+    },
+  ],
+}
+
+type NotionApiResponse = typeof marketingPages
+const emptyNotionResponse: NotionApiResponse = { notion_info: [] }
+
+const useMockNotionApi = () => {
+  const responseMap = useMemo(() => ({
+    [`${DATASET_ID}:cred-1`]: marketingPages,
+    [`${DATASET_ID}:cred-2`]: productPages,
+  }) satisfies Record<`${typeof DATASET_ID}:${typeof CREDENTIALS[number]['id']}`, NotionApiResponse>, [])
+
+  useEffect(() => {
+    const originalFetch = globalThis.fetch?.bind(globalThis)
+
+    const handler = async (input: RequestInfo | URL, init?: RequestInit) => {
+      const url = typeof input === 'string'
+        ? input
+        : input instanceof URL
+          ? input.toString()
+          : input.url
+
+      if (url.includes('/notion/pre-import/pages')) {
+        const parsed = new URL(url, globalThis.location.origin)
+        const datasetId = parsed.searchParams.get('dataset_id') || ''
+        const credentialId = parsed.searchParams.get('credential_id') || ''
+        let payload: NotionApiResponse = emptyNotionResponse
+
+        if (datasetId === DATASET_ID) {
+          const credential = CREDENTIALS.find(item => item.id === credentialId)
+          if (credential) {
+            const mapKey = `${DATASET_ID}:${credential.id}` as keyof typeof responseMap
+            payload = responseMap[mapKey]
+          }
+        }
+
+        return new Response(
+          JSON.stringify(payload),
+          { headers: { 'Content-Type': 'application/json' }, status: 200 },
+        )
+      }
+
+      if (originalFetch)
+        return originalFetch(input, init)
+
+      throw new Error(`Unmocked fetch call for ${url}`)
+    }
+
+    globalThis.fetch = handler as typeof globalThis.fetch
+
+    return () => {
+      if (originalFetch)
+        globalThis.fetch = originalFetch
+    }
+  }, [responseMap])
+}
+
+const NotionSelectorPreview = () => {
+  const [selectedPages, setSelectedPages] = useState<NotionPage[]>([])
+  const [credentialId, setCredentialId] = useState<string>()
+
+  useMockNotionApi()
+
+  return (
+    <div className="flex w-full max-w-3xl flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <NotionPageSelector
+        datasetId={DATASET_ID}
+        credentialList={CREDENTIALS}
+        value={selectedPages.map(page => page.page_id)}
+        onSelect={setSelectedPages}
+        onSelectCredential={setCredentialId}
+        canPreview
+      />
+      <div className="rounded-xl border border-divider-subtle bg-background-default-subtle p-4 text-xs text-text-secondary">
+        <div className="mb-2 font-semibold uppercase tracking-[0.18em] text-text-tertiary">
+          Debug state
+        </div>
+        <p className="mb-1">Active credential: <span className="font-mono">{credentialId || 'None'}</span></p>
+        <pre className="max-h-40 overflow-auto rounded-lg bg-background-default p-3 font-mono text-[11px] leading-relaxed text-text-tertiary">
+          {JSON.stringify(selectedPages, null, 2)}
+        </pre>
+      </div>
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Other/NotionPageSelector',
+  component: NotionSelectorPreview,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Credential-aware selector that fetches Notion pages and lets users choose which ones to sync.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof NotionSelectorPreview>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/pagination/index.stories.tsx b/web/app/components/base/pagination/index.stories.tsx
new file mode 100644
index 0000000000..4ad5488b96
--- /dev/null
+++ b/web/app/components/base/pagination/index.stories.tsx
@@ -0,0 +1,81 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useMemo, useState } from 'react'
+import Pagination from '.'
+
+const TOTAL_ITEMS = 120
+
+const PaginationDemo = ({
+  initialPage = 0,
+  initialLimit = 10,
+}: {
+  initialPage?: number
+  initialLimit?: number
+}) => {
+  const [current, setCurrent] = useState(initialPage)
+  const [limit, setLimit] = useState(initialLimit)
+
+  const pageSummary = useMemo(() => {
+    const start = current * limit + 1
+    const end = Math.min((current + 1) * limit, TOTAL_ITEMS)
+    return `${start}-${end} of ${TOTAL_ITEMS}`
+  }, [current, limit])
+
+  return (
+    <div className="flex w-full max-w-3xl flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="flex items-center justify-between text-xs uppercase tracking-[0.18em] text-text-tertiary">
+        <span>Log pagination</span>
+        <span className="rounded-md border border-divider-subtle bg-background-default px-2 py-1 font-medium text-text-secondary">
+          {pageSummary}
+        </span>
+      </div>
+      <Pagination
+        current={current}
+        total={TOTAL_ITEMS}
+        limit={limit}
+        onChange={setCurrent}
+        onLimitChange={(nextLimit) => {
+          setCurrent(0)
+          setLimit(nextLimit)
+        }}
+      />
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Navigation/Pagination',
+  component: PaginationDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Paginate long lists with optional per-page selector. Demonstrates the inline page jump input and quick limit toggles.',
+      },
+    },
+  },
+  args: {
+    initialPage: 0,
+    initialLimit: 10,
+  },
+  argTypes: {
+    initialPage: {
+      control: { type: 'number', min: 0, max: 9, step: 1 },
+    },
+    initialLimit: {
+      control: { type: 'radio' },
+      options: [10, 25, 50],
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof PaginationDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
+
+export const StartAtMiddle: Story = {
+  args: {
+    initialPage: 4,
+  },
+}
diff --git a/web/app/components/base/param-item/index.stories.tsx b/web/app/components/base/param-item/index.stories.tsx
new file mode 100644
index 0000000000..a256b56dbf
--- /dev/null
+++ b/web/app/components/base/param-item/index.stories.tsx
@@ -0,0 +1,121 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import ParamItem from '.'
+
+type ParamConfig = {
+  id: string
+  name: string
+  tip: string
+  value: number
+  min: number
+  max: number
+  step: number
+  allowToggle?: boolean
+}
+
+const PARAMS: ParamConfig[] = [
+  {
+    id: 'temperature',
+    name: 'Temperature',
+    tip: 'Controls randomness. Lower values make the model more deterministic, higher values encourage creativity.',
+    value: 0.7,
+    min: 0,
+    max: 2,
+    step: 0.1,
+    allowToggle: true,
+  },
+  {
+    id: 'top_p',
+    name: 'Top P',
+    tip: 'Nucleus sampling keeps only the most probable tokens whose cumulative probability exceeds this threshold.',
+    value: 0.9,
+    min: 0,
+    max: 1,
+    step: 0.05,
+  },
+  {
+    id: 'frequency_penalty',
+    name: 'Frequency Penalty',
+    tip: 'Discourages repeating tokens. Increase to reduce repetition.',
+    value: 0.2,
+    min: 0,
+    max: 1,
+    step: 0.05,
+  },
+]
+
+const ParamItemPlayground = () => {
+  const [state, setState] = useState<Record<string, { value: number; enabled: boolean }>>(() => {
+    return PARAMS.reduce((acc, item) => {
+      acc[item.id] = { value: item.value, enabled: true }
+      return acc
+    }, {} as Record<string, { value: number; enabled: boolean }>)
+  })
+
+  const handleChange = (id: string, value: number) => {
+    setState(prev => ({
+      ...prev,
+      [id]: {
+        ...prev[id],
+        value: Number.parseFloat(value.toFixed(3)),
+      },
+    }))
+  }
+
+  const handleToggle = (id: string, enabled: boolean) => {
+    setState(prev => ({
+      ...prev,
+      [id]: {
+        ...prev[id],
+        enabled,
+      },
+    }))
+  }
+
+  return (
+    <div className="flex w-full max-w-2xl flex-col gap-5 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="flex items-center justify-between text-xs uppercase tracking-[0.18em] text-text-tertiary">
+        <span>Generation parameters</span>
+        <code className="rounded-md border border-divider-subtle bg-background-default px-2 py-1 text-[11px] text-text-tertiary">
+          {JSON.stringify(state, null, 0)}
+        </code>
+      </div>
+      {PARAMS.map(param => (
+        <ParamItem
+          key={param.id}
+          className="rounded-xl border border-transparent px-3 py-2 hover:border-divider-subtle hover:bg-background-default-subtle"
+          id={param.id}
+          name={param.name}
+          tip={param.tip}
+          value={state[param.id].value}
+          enable={state[param.id].enabled}
+          min={param.min}
+          max={param.max}
+          step={param.step}
+          hasSwitch={param.allowToggle}
+          onChange={handleChange}
+          onSwitchChange={handleToggle}
+        />
+      ))}
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Data Entry/ParamItem',
+  component: ParamItemPlayground,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Slider + numeric input pairing used for model parameter tuning. Supports optional enable toggles per parameter.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof ParamItemPlayground>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/popover/index.stories.tsx b/web/app/components/base/popover/index.stories.tsx
new file mode 100644
index 0000000000..1977c89116
--- /dev/null
+++ b/web/app/components/base/popover/index.stories.tsx
@@ -0,0 +1,120 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import CustomPopover from '.'
+
+type PopoverContentProps = {
+  open?: boolean
+  onClose?: () => void
+  onClick?: () => void
+  title: string
+  description: string
+}
+
+const PopoverContent = ({ title, description, onClose }: PopoverContentProps) => {
+  return (
+    <div className="flex min-w-[220px] flex-col gap-2 p-3">
+      <div className="text-xs font-semibold uppercase tracking-[0.12em] text-text-tertiary">
+        {title}
+      </div>
+      <p className="text-sm leading-5 text-text-secondary">{description}</p>
+      <button
+        type="button"
+        className="self-start rounded-md border border-divider-subtle px-2 py-1 text-xs font-medium text-text-tertiary hover:bg-state-base-hover"
+        onClick={onClose}
+      >
+        Dismiss
+      </button>
+    </div>
+  )
+}
+
+const Template = ({
+  trigger = 'hover',
+  position = 'bottom',
+  manualClose,
+  disabled,
+}: {
+  trigger?: 'click' | 'hover'
+  position?: 'bottom' | 'bl' | 'br'
+  manualClose?: boolean
+  disabled?: boolean
+}) => {
+  const [hoverHint] = useState(
+    trigger === 'hover'
+      ? 'Hover over the badge to reveal quick tips.'
+      : 'Click the badge to open the contextual menu.',
+  )
+
+  return (
+    <div className="flex w-full max-w-lg flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <p className="text-sm text-text-secondary">{hoverHint}</p>
+      <div className="flex flex-wrap items-center gap-6">
+        <CustomPopover
+          trigger={trigger}
+          position={position}
+          manualClose={manualClose}
+          disabled={disabled}
+          btnElement={<span className="text-xs font-medium text-text-secondary">Popover trigger</span>}
+          htmlContent={
+            <PopoverContent
+              title={trigger === 'hover' ? 'Quick help' : 'More actions'}
+              description={trigger === 'hover'
+                ? 'Use hover-triggered popovers for light contextual hints and inline docs.'
+                : 'Click-triggered popovers are ideal for menus that require user decisions.'}
+            />
+          }
+        />
+      </div>
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Feedback/Popover',
+  component: Template,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Headless UI popover wrapper supporting hover and click triggers. These examples highlight alignment controls and manual closing.',
+      },
+    },
+  },
+  argTypes: {
+    trigger: {
+      control: 'radio',
+      options: ['hover', 'click'],
+    },
+    position: {
+      control: 'radio',
+      options: ['bottom', 'bl', 'br'],
+    },
+    manualClose: { control: 'boolean' },
+    disabled: { control: 'boolean' },
+  },
+  args: {
+    trigger: 'hover',
+    position: 'bottom',
+    manualClose: false,
+    disabled: false,
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof Template>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const HoverPopover: Story = {}
+
+export const ClickPopover: Story = {
+  args: {
+    trigger: 'click',
+    position: 'br',
+  },
+}
+
+export const DisabledState: Story = {
+  args: {
+    disabled: true,
+  },
+}
diff --git a/web/app/components/base/portal-to-follow-elem/index.stories.tsx b/web/app/components/base/portal-to-follow-elem/index.stories.tsx
new file mode 100644
index 0000000000..44c8e964ce
--- /dev/null
+++ b/web/app/components/base/portal-to-follow-elem/index.stories.tsx
@@ -0,0 +1,103 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import {
+  PortalToFollowElem,
+  PortalToFollowElemContent,
+  PortalToFollowElemTrigger,
+} from '.'
+
+const TooltipCard = ({ title, description }: { title: string; description: string }) => (
+  <div className="w-[220px] rounded-lg border border-divider-subtle bg-components-panel-bg px-3 py-2 text-sm text-text-secondary shadow-lg">
+    <div className="mb-1 text-xs font-semibold uppercase tracking-[0.14em] text-text-tertiary">
+      {title}
+    </div>
+    <p className="leading-5">{description}</p>
+  </div>
+)
+
+const PortalDemo = ({
+  placement = 'bottom',
+  triggerPopupSameWidth = false,
+}: {
+  placement?: Parameters<typeof PortalToFollowElem>[0]['placement']
+  triggerPopupSameWidth?: boolean
+}) => {
+  const [controlledOpen, setControlledOpen] = useState(false)
+
+  return (
+    <div className="flex w-full max-w-3xl flex-col gap-6 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="flex flex-wrap items-center gap-4">
+        <PortalToFollowElem placement={placement} triggerPopupSameWidth={triggerPopupSameWidth}>
+          <PortalToFollowElemTrigger className="rounded-md border border-divider-subtle bg-background-default px-3 py-2 text-sm text-text-secondary">
+            Hover me
+          </PortalToFollowElemTrigger>
+          <PortalToFollowElemContent className="z-40">
+            <TooltipCard
+              title="Auto follow"
+              description="The floating element repositions itself when the trigger moves, using Floating UI under the hood."
+            />
+          </PortalToFollowElemContent>
+        </PortalToFollowElem>
+
+        <PortalToFollowElem
+          placement="bottom-start"
+          triggerPopupSameWidth
+          open={controlledOpen}
+          onOpenChange={setControlledOpen}
+        >
+          <PortalToFollowElemTrigger asChild>
+            <button
+              type="button"
+              className="rounded-md border border-divider-subtle bg-background-default-subtle px-3 py-2 text-sm font-medium text-text-secondary hover:bg-state-base-hover"
+              onClick={() => setControlledOpen(prev => !prev)}
+            >
+              Controlled toggle
+            </button>
+          </PortalToFollowElemTrigger>
+          <PortalToFollowElemContent className="z-40">
+            <TooltipCard
+              title="Controlled"
+              description="This panel uses the controlled API via onOpenChange/open props, and matches the trigger width."
+            />
+          </PortalToFollowElemContent>
+        </PortalToFollowElem>
+      </div>
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Feedback/PortalToFollowElem',
+  component: PortalDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Floating UI based portal that tracks trigger positioning. Demonstrates both hover-driven and controlled usage.',
+      },
+    },
+  },
+  argTypes: {
+    placement: {
+      control: 'select',
+      options: ['top', 'top-start', 'top-end', 'bottom', 'bottom-start', 'bottom-end'],
+    },
+    triggerPopupSameWidth: { control: 'boolean' },
+  },
+  args: {
+    placement: 'bottom',
+    triggerPopupSameWidth: false,
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof PortalDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
+
+export const SameWidthPanel: Story = {
+  args: {
+    triggerPopupSameWidth: true,
+  },
+}
diff --git a/web/app/components/base/premium-badge/index.stories.tsx b/web/app/components/base/premium-badge/index.stories.tsx
new file mode 100644
index 0000000000..c1f6ede869
--- /dev/null
+++ b/web/app/components/base/premium-badge/index.stories.tsx
@@ -0,0 +1,64 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import PremiumBadge from '.'
+
+const colors: Array<NonNullable<React.ComponentProps<typeof PremiumBadge>['color']>> = ['blue', 'indigo', 'gray', 'orange']
+
+const PremiumBadgeGallery = ({
+  size = 'm',
+  allowHover = false,
+}: {
+  size?: 's' | 'm'
+  allowHover?: boolean
+}) => {
+  return (
+    <div className="flex w-full max-w-xl flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <p className="text-xs uppercase tracking-[0.18em] text-text-tertiary">Brand badge variants</p>
+      <div className="grid grid-cols-2 gap-4 sm:grid-cols-4">
+        {colors.map(color => (
+          <div key={color} className="flex flex-col items-center gap-2 rounded-xl border border-transparent px-2 py-4 hover:border-divider-subtle hover:bg-background-default-subtle">
+            <PremiumBadge color={color} size={size} allowHover={allowHover}>
+              <span className="px-2 text-xs font-semibold uppercase tracking-[0.14em]">Premium</span>
+            </PremiumBadge>
+            <span className="text-[11px] uppercase tracking-[0.16em] text-text-tertiary">{color}</span>
+          </div>
+        ))}
+      </div>
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/General/PremiumBadge',
+  component: PremiumBadgeGallery,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Gradient badge used for premium features and upsell prompts. Hover animations can be toggled per instance.',
+      },
+    },
+  },
+  argTypes: {
+    size: {
+      control: 'radio',
+      options: ['s', 'm'],
+    },
+    allowHover: { control: 'boolean' },
+  },
+  args: {
+    size: 'm',
+    allowHover: false,
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof PremiumBadgeGallery>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
+
+export const HoverEnabled: Story = {
+  args: {
+    allowHover: true,
+  },
+}
diff --git a/web/app/components/base/progress-bar/progress-circle.stories.tsx b/web/app/components/base/progress-bar/progress-circle.stories.tsx
new file mode 100644
index 0000000000..a6a21d2695
--- /dev/null
+++ b/web/app/components/base/progress-bar/progress-circle.stories.tsx
@@ -0,0 +1,89 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import ProgressCircle from './progress-circle'
+
+const ProgressCircleDemo = ({
+  initialPercentage = 42,
+  size = 24,
+}: {
+  initialPercentage?: number
+  size?: number
+}) => {
+  const [percentage, setPercentage] = useState(initialPercentage)
+
+  return (
+    <div className="flex w-full max-w-md flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="flex items-center justify-between text-xs uppercase tracking-[0.18em] text-text-tertiary">
+        <span>Upload progress</span>
+        <span className="rounded-md border border-divider-subtle bg-background-default px-2 py-1 text-[11px] text-text-secondary">
+          {percentage}%
+        </span>
+      </div>
+      <div className="flex items-center gap-4">
+        <ProgressCircle percentage={percentage} size={size} className="shrink-0" />
+        <input
+          type="range"
+          min={0}
+          max={100}
+          step={1}
+          value={percentage}
+          onChange={event => setPercentage(Number.parseInt(event.target.value, 10))}
+          className="h-2 w-full cursor-pointer appearance-none rounded-full bg-divider-subtle accent-primary-600"
+        />
+      </div>
+      <div className="flex gap-3 text-xs text-text-tertiary">
+        <label className="flex items-center gap-1">
+          Size
+          <input
+            type="number"
+            min={12}
+            max={48}
+            value={size}
+            disabled
+            className="h-7 w-16 rounded-md border border-divider-subtle bg-background-default px-2 text-xs"
+          />
+        </label>
+      </div>
+      <div className="rounded-lg border border-divider-subtle bg-background-default-subtle p-3 text-[11px] leading-relaxed text-text-tertiary">
+        ProgressCircle renders a deterministic SVG slice. Advance the slider to preview how the arc grows for upload indicators.
+      </div>
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Feedback/ProgressCircle',
+  component: ProgressCircleDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Compact radial progress indicator wired to upload flows. The story provides a slider to scrub through percentages.',
+      },
+    },
+  },
+  argTypes: {
+    initialPercentage: {
+      control: { type: 'range', min: 0, max: 100, step: 1 },
+    },
+    size: {
+      control: { type: 'number', min: 12, max: 48, step: 2 },
+    },
+  },
+  args: {
+    initialPercentage: 42,
+    size: 24,
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof ProgressCircleDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
+
+export const NearComplete: Story = {
+  args: {
+    initialPercentage: 92,
+  },
+}
diff --git a/web/app/components/base/prompt-editor/index.stories.tsx b/web/app/components/base/prompt-editor/index.stories.tsx
index e0d0777306..35058ac37d 100644
--- a/web/app/components/base/prompt-editor/index.stories.tsx
+++ b/web/app/components/base/prompt-editor/index.stories.tsx
@@ -25,7 +25,7 @@ const PromptEditorMock = ({ value, onChange, placeholder, editable, compact, cla
 }
 
 const meta = {
-  title: 'Base/Input/PromptEditor',
+  title: 'Base/Data Entry/PromptEditor',
   component: PromptEditorMock,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/prompt-log-modal/index.stories.tsx b/web/app/components/base/prompt-log-modal/index.stories.tsx
new file mode 100644
index 0000000000..55389874cd
--- /dev/null
+++ b/web/app/components/base/prompt-log-modal/index.stories.tsx
@@ -0,0 +1,74 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useEffect } from 'react'
+import PromptLogModal from '.'
+import { useStore } from '@/app/components/app/store'
+import type { IChatItem } from '@/app/components/base/chat/chat/type'
+
+type PromptLogModalProps = React.ComponentProps<typeof PromptLogModal>
+
+const mockLogItem: IChatItem = {
+  id: 'message-1',
+  isAnswer: true,
+  content: 'Summarize our meeting notes about launch blockers.',
+  log: [
+    {
+      role: 'system',
+      text: 'You are an assistant that extracts key launch blockers from the dialogue.',
+    },
+    {
+      role: 'user',
+      text: 'Team discussed QA, marketing assets, and infra readiness. Highlight risks.',
+    },
+    {
+      role: 'assistant',
+      text: 'Blocking items:\n1. QA needs staging data by Friday.\n2. Marketing awaiting final visuals.\n3. Infra rollout still missing approval.',
+    },
+  ],
+}
+
+const usePromptLogMocks = () => {
+  useEffect(() => {
+    useStore.getState().setCurrentLogItem(mockLogItem)
+    return () => {
+      useStore.getState().setCurrentLogItem(undefined)
+    }
+  }, [])
+}
+
+const PromptLogPreview = (props: PromptLogModalProps) => {
+  usePromptLogMocks()
+
+  return (
+    <div className="relative min-h-[540px] w-full bg-background-default-subtle p-6">
+      <PromptLogModal
+        {...props}
+        currentLogItem={mockLogItem}
+      />
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Feedback/PromptLogModal',
+  component: PromptLogPreview,
+  parameters: {
+    layout: 'fullscreen',
+    docs: {
+      description: {
+        component: 'Shows the prompt and message transcript used for a chat completion, with copy-to-clipboard support for single prompts.',
+      },
+    },
+  },
+  args: {
+    width: 960,
+    onCancel: () => {
+      console.log('Prompt log closed')
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof PromptLogPreview>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/qrcode/index.stories.tsx b/web/app/components/base/qrcode/index.stories.tsx
new file mode 100644
index 0000000000..312dc6a5a8
--- /dev/null
+++ b/web/app/components/base/qrcode/index.stories.tsx
@@ -0,0 +1,52 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import ShareQRCode from '.'
+
+const QRDemo = ({
+  content = 'https://dify.ai',
+}: {
+  content?: string
+}) => {
+  return (
+    <div className="flex w-full max-w-sm flex-col gap-3 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <p className="text-xs uppercase tracking-[0.18em] text-text-tertiary">Share QR</p>
+      <div className="flex items-center gap-2 text-sm text-text-secondary">
+        <span>Generated URL:</span>
+        <code className="rounded-md bg-background-default px-2 py-1 text-[11px]">{content}</code>
+      </div>
+      <ShareQRCode content={content} />
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Data Display/QRCode',
+  component: QRDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Toggleable QR code generator for sharing app URLs. Clicking the trigger reveals the code with a download CTA.',
+      },
+    },
+  },
+  argTypes: {
+    content: {
+      control: 'text',
+    },
+  },
+  args: {
+    content: 'https://dify.ai',
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof QRDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
+
+export const DemoLink: Story = {
+  args: {
+    content: 'https://dify.ai/docs',
+  },
+}
diff --git a/web/app/components/base/radio-card/index.stories.tsx b/web/app/components/base/radio-card/index.stories.tsx
index bb45db622c..63dd1ad1ec 100644
--- a/web/app/components/base/radio-card/index.stories.tsx
+++ b/web/app/components/base/radio-card/index.stories.tsx
@@ -4,7 +4,7 @@ import { RiCloudLine, RiCpuLine, RiDatabase2Line, RiLightbulbLine, RiRocketLine,
 import RadioCard from '.'
 
 const meta = {
-  title: 'Base/Input/RadioCard',
+  title: 'Base/Data Entry/RadioCard',
   component: RadioCard,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/radio/index.stories.tsx b/web/app/components/base/radio/index.stories.tsx
index 0f917320bb..699372097f 100644
--- a/web/app/components/base/radio/index.stories.tsx
+++ b/web/app/components/base/radio/index.stories.tsx
@@ -3,7 +3,7 @@ import { useState } from 'react'
 import Radio from '.'
 
 const meta = {
-  title: 'Base/Input/Radio',
+  title: 'Base/Data Entry/Radio',
   component: Radio,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/search-input/index.stories.tsx b/web/app/components/base/search-input/index.stories.tsx
index eb051f892f..6b2326322b 100644
--- a/web/app/components/base/search-input/index.stories.tsx
+++ b/web/app/components/base/search-input/index.stories.tsx
@@ -3,7 +3,7 @@ import { useState } from 'react'
 import SearchInput from '.'
 
 const meta = {
-  title: 'Base/Input/SearchInput',
+  title: 'Base/Data Entry/SearchInput',
   component: SearchInput,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/segmented-control/index.stories.tsx b/web/app/components/base/segmented-control/index.stories.tsx
new file mode 100644
index 0000000000..c83112bd54
--- /dev/null
+++ b/web/app/components/base/segmented-control/index.stories.tsx
@@ -0,0 +1,92 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { RiLineChartLine, RiListCheck2, RiRobot2Line } from '@remixicon/react'
+import { useState } from 'react'
+import { SegmentedControl } from '.'
+
+const SEGMENTS = [
+  { value: 'overview', text: 'Overview', Icon: RiLineChartLine },
+  { value: 'tasks', text: 'Tasks', Icon: RiListCheck2, count: 8 },
+  { value: 'agents', text: 'Agents', Icon: RiRobot2Line },
+]
+
+const SegmentedControlDemo = ({
+  initialValue = 'overview',
+  size = 'regular',
+  padding = 'with',
+  activeState = 'default',
+}: {
+  initialValue?: string
+  size?: 'regular' | 'small' | 'large'
+  padding?: 'none' | 'with'
+  activeState?: 'default' | 'accent' | 'accentLight'
+}) => {
+  const [value, setValue] = useState(initialValue)
+
+  return (
+    <div className="flex w-full max-w-lg flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="flex items-center justify-between text-xs uppercase tracking-[0.18em] text-text-tertiary">
+        <span>Segmented control</span>
+        <code className="rounded-md bg-background-default px-2 py-1 text-[11px] text-text-tertiary">
+          value="{value}"
+        </code>
+      </div>
+      <SegmentedControl
+        options={SEGMENTS}
+        value={value}
+        onChange={setValue}
+        size={size}
+        padding={padding}
+        activeState={activeState}
+      />
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Data Entry/SegmentedControl',
+  component: SegmentedControlDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Multi-tab segmented control with optional icons and badge counts. Adjust sizing and accent states via controls.',
+      },
+    },
+  },
+  argTypes: {
+    initialValue: {
+      control: 'radio',
+      options: SEGMENTS.map(segment => segment.value),
+    },
+    size: {
+      control: 'inline-radio',
+      options: ['small', 'regular', 'large'],
+    },
+    padding: {
+      control: 'inline-radio',
+      options: ['none', 'with'],
+    },
+    activeState: {
+      control: 'inline-radio',
+      options: ['default', 'accent', 'accentLight'],
+    },
+  },
+  args: {
+    initialValue: 'overview',
+    size: 'regular',
+    padding: 'with',
+    activeState: 'default',
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof SegmentedControlDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
+
+export const AccentState: Story = {
+  args: {
+    activeState: 'accent',
+  },
+}
diff --git a/web/app/components/base/select/index.stories.tsx b/web/app/components/base/select/index.stories.tsx
index 48a715498b..f1b46f2d55 100644
--- a/web/app/components/base/select/index.stories.tsx
+++ b/web/app/components/base/select/index.stories.tsx
@@ -4,7 +4,7 @@ import Select, { PortalSelect, SimpleSelect } from '.'
 import type { Item } from '.'
 
 const meta = {
-  title: 'Base/Input/Select',
+  title: 'Base/Data Entry/Select',
   component: SimpleSelect,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/simple-pie-chart/index.stories.tsx b/web/app/components/base/simple-pie-chart/index.stories.tsx
new file mode 100644
index 0000000000..d08c8fa0ce
--- /dev/null
+++ b/web/app/components/base/simple-pie-chart/index.stories.tsx
@@ -0,0 +1,89 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useMemo, useState } from 'react'
+import SimplePieChart from '.'
+
+const PieChartPlayground = ({
+  initialPercentage = 65,
+  fill = '#fdb022',
+  stroke = '#f79009',
+}: {
+  initialPercentage?: number
+  fill?: string
+  stroke?: string
+}) => {
+  const [percentage, setPercentage] = useState(initialPercentage)
+
+  const label = useMemo(() => `${percentage}%`, [percentage])
+
+  return (
+    <div className="flex w-full max-w-md flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="flex items-center justify-between text-xs uppercase tracking-[0.18em] text-text-tertiary">
+        <span>Conversion snapshot</span>
+        <span className="rounded-md border border-divider-subtle bg-background-default px-2 py-1 text-[11px] text-text-secondary">
+          {label}
+        </span>
+      </div>
+      <div className="flex items-center gap-4">
+        <SimplePieChart
+          percentage={percentage}
+          fill={fill}
+          stroke={stroke}
+          size={120}
+        />
+        <div className="flex flex-1 flex-col gap-2">
+          <label className="flex items-center justify-between text-xs font-medium text-text-secondary">
+            Target progress
+            <span className="rounded bg-background-default px-2 py-1 text-[11px] text-text-tertiary">{label}</span>
+          </label>
+          <input
+            type="range"
+            min={0}
+            max={100}
+            value={percentage}
+            onChange={event => setPercentage(Number.parseInt(event.target.value, 10))}
+            className="h-2 w-full cursor-pointer appearance-none rounded-full bg-divider-subtle accent-primary-600"
+          />
+        </div>
+      </div>
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Data Display/SimplePieChart',
+  component: PieChartPlayground,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Thin radial indicator built with ECharts. Use it for quick percentage snapshots inside cards.',
+      },
+    },
+  },
+  argTypes: {
+    initialPercentage: {
+      control: { type: 'range', min: 0, max: 100, step: 1 },
+    },
+    fill: { control: 'color' },
+    stroke: { control: 'color' },
+  },
+  args: {
+    initialPercentage: 65,
+    fill: '#fdb022',
+    stroke: '#f79009',
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof PieChartPlayground>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
+
+export const BrandAccent: Story = {
+  args: {
+    fill: '#155EEF',
+    stroke: '#0040C1',
+    initialPercentage: 82,
+  },
+}
diff --git a/web/app/components/base/skeleton/index.stories.tsx b/web/app/components/base/skeleton/index.stories.tsx
new file mode 100644
index 0000000000..b5ea649b34
--- /dev/null
+++ b/web/app/components/base/skeleton/index.stories.tsx
@@ -0,0 +1,59 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import {
+  SkeletonContainer,
+  SkeletonPoint,
+  SkeletonRectangle,
+  SkeletonRow,
+} from '.'
+
+const SkeletonDemo = () => {
+  return (
+    <div className="flex w-full max-w-xl flex-col gap-6 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="text-xs uppercase tracking-[0.18em] text-text-tertiary">Loading skeletons</div>
+      <div className="space-y-4 rounded-xl border border-divider-subtle bg-background-default-subtle p-4">
+        <SkeletonContainer>
+          <SkeletonRow>
+            <SkeletonRectangle className="h-4 w-32 rounded-md" />
+            <SkeletonPoint />
+            <SkeletonRectangle className="h-4 w-20 rounded-md" />
+          </SkeletonRow>
+          <SkeletonRow>
+            <SkeletonRectangle className="h-3 w-full" />
+          </SkeletonRow>
+          <SkeletonRow>
+            <SkeletonRectangle className="h-3 w-5/6" />
+          </SkeletonRow>
+        </SkeletonContainer>
+      </div>
+      <div className="space-y-3 rounded-xl border border-divider-subtle bg-background-default-subtle p-4">
+        <SkeletonRow className="items-start">
+          <SkeletonRectangle className="mr-4 h-10 w-10 rounded-full" />
+          <SkeletonContainer className="w-full">
+            <SkeletonRectangle className="h-3 w-1/3" />
+            <SkeletonRectangle className="h-3 w-full" />
+            <SkeletonRectangle className="h-3 w-3/4" />
+          </SkeletonContainer>
+        </SkeletonRow>
+      </div>
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Feedback/Skeleton',
+  component: SkeletonDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Composable skeleton primitives (container, row, rectangle, point) to sketch loading states for panels and lists.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof SkeletonDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/slider/index.stories.tsx b/web/app/components/base/slider/index.stories.tsx
index 691c75d7ad..4d06381d16 100644
--- a/web/app/components/base/slider/index.stories.tsx
+++ b/web/app/components/base/slider/index.stories.tsx
@@ -3,7 +3,7 @@ import { useState } from 'react'
 import Slider from '.'
 
 const meta = {
-  title: 'Base/Input/Slider',
+  title: 'Base/Data Entry/Slider',
   component: Slider,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/sort/index.stories.tsx b/web/app/components/base/sort/index.stories.tsx
new file mode 100644
index 0000000000..fea21e8edc
--- /dev/null
+++ b/web/app/components/base/sort/index.stories.tsx
@@ -0,0 +1,59 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useMemo, useState } from 'react'
+import Sort from '.'
+
+const SORT_ITEMS = [
+  { value: 'created_at', name: 'Created time' },
+  { value: 'updated_at', name: 'Updated time' },
+  { value: 'latency', name: 'Latency' },
+]
+
+const SortPlayground = () => {
+  const [sortBy, setSortBy] = useState('-created_at')
+
+  const { order, value } = useMemo(() => {
+    const isDesc = sortBy.startsWith('-')
+    return {
+      order: isDesc ? '-' : '',
+      value: sortBy.replace('-', '') || 'created_at',
+    }
+  }, [sortBy])
+
+  return (
+    <div className="flex w-full max-w-xl flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="flex items-center justify-between text-xs uppercase tracking-[0.18em] text-text-tertiary">
+        <span>Sort control</span>
+        <code className="rounded-md bg-background-default px-2 py-1 text-[11px] text-text-tertiary">
+          sort_by="{sortBy}"
+        </code>
+      </div>
+      <Sort
+        order={order}
+        value={value}
+        items={SORT_ITEMS}
+        onSelect={(next) => {
+          setSortBy(next as string)
+        }}
+      />
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Data Display/Sort',
+  component: SortPlayground,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Sorting trigger used in log tables. Includes dropdown selection and quick toggle between ascending and descending.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof SortPlayground>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/spinner/index.stories.tsx b/web/app/components/base/spinner/index.stories.tsx
new file mode 100644
index 0000000000..9792b9b2fc
--- /dev/null
+++ b/web/app/components/base/spinner/index.stories.tsx
@@ -0,0 +1,50 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import Spinner from '.'
+
+const SpinnerPlayground = ({
+  loading = true,
+}: {
+  loading?: boolean
+}) => {
+  const [isLoading, setIsLoading] = useState(loading)
+
+  return (
+    <div className="flex w-full max-w-xs flex-col items-center gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <p className="text-xs uppercase tracking-[0.18em] text-text-tertiary">Spinner</p>
+      <Spinner loading={isLoading} className="text-primary-500" />
+      <button
+        type="button"
+        className="rounded-md border border-divider-subtle bg-background-default px-3 py-1 text-xs font-medium text-text-secondary hover:bg-state-base-hover"
+        onClick={() => setIsLoading(prev => !prev)}
+      >
+        {isLoading ? 'Stop' : 'Start'} loading
+      </button>
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Feedback/Spinner',
+  component: SpinnerPlayground,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Minimal spinner powered by Tailwind utilities. Toggle the state to inspect motion-reduced behaviour.',
+      },
+    },
+  },
+  argTypes: {
+    loading: { control: 'boolean' },
+  },
+  args: {
+    loading: true,
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof SpinnerPlayground>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/svg-gallery/index.stories.tsx b/web/app/components/base/svg-gallery/index.stories.tsx
new file mode 100644
index 0000000000..65da97d243
--- /dev/null
+++ b/web/app/components/base/svg-gallery/index.stories.tsx
@@ -0,0 +1,51 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import SVGRenderer from '.'
+
+const SAMPLE_SVG = `
+<svg width="400" height="280" viewBox="0 0 400 280" xmlns="http://www.w3.org/2000/svg">
+  <defs>
+    <linearGradient id="bg" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" stop-color="#D1E9FF"/>
+      <stop offset="100%" stop-color="#FBE8FF"/>
+    </linearGradient>
+  </defs>
+  <rect width="400" height="280" rx="24" fill="url(#bg)"/>
+  <g font-family="sans-serif" fill="#1F2937" text-anchor="middle">
+    <text x="200" y="120" font-size="32" font-weight="600">SVG Preview</text>
+    <text x="200" y="160" font-size="16">Click to open high-resolution preview</text>
+  </g>
+  <circle cx="320" cy="70" r="28" fill="#E0F2FE" stroke="#2563EB" stroke-width="4"/>
+  <circle cx="80" cy="200" r="18" fill="#FDE68A" stroke="#CA8A04" stroke-width="4"/>
+  <rect x="120" y="190" width="160" height="48" rx="12" fill="#FFF" opacity="0.85"/>
+  <text x="200" y="220" font-size="16" font-weight="500">Inline SVG asset</text>
+</svg>
+`.trim()
+
+const meta = {
+  title: 'Base/Data Display/SVGRenderer',
+  component: SVGRenderer,
+  parameters: {
+    docs: {
+      description: {
+        component: 'Renders sanitized SVG markup with zoom-to-preview capability.',
+      },
+      source: {
+        language: 'tsx',
+        code: `
+<SVGRenderer content={\`
+  <svg width="400" height="280" ...>...</svg>
+\`} />
+        `.trim(),
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    content: SAMPLE_SVG,
+  },
+} satisfies Meta<typeof SVGRenderer>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Default: Story = {}
diff --git a/web/app/components/base/svg/index.stories.tsx b/web/app/components/base/svg/index.stories.tsx
new file mode 100644
index 0000000000..0b7d8d23c9
--- /dev/null
+++ b/web/app/components/base/svg/index.stories.tsx
@@ -0,0 +1,36 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import SVGBtn from '.'
+
+const SvgToggleDemo = () => {
+  const [isSVG, setIsSVG] = useState(false)
+
+  return (
+    <div className="flex w-full max-w-xs flex-col items-center gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <p className="text-xs uppercase tracking-[0.18em] text-text-tertiary">SVG toggle</p>
+      <SVGBtn isSVG={isSVG} setIsSVG={setIsSVG} />
+      <span className="text-xs text-text-secondary">
+        Mode: <code className="rounded bg-background-default px-2 py-1 text-[11px]">{isSVG ? 'SVG' : 'PNG'}</code>
+      </span>
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/General/SVGBtn',
+  component: SvgToggleDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Small toggle used in icon pickers to switch between SVG and bitmap assets.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof SvgToggleDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/switch/index.stories.tsx b/web/app/components/base/switch/index.stories.tsx
index 2753a6a309..5b2b6e59c4 100644
--- a/web/app/components/base/switch/index.stories.tsx
+++ b/web/app/components/base/switch/index.stories.tsx
@@ -3,7 +3,7 @@ import { useState } from 'react'
 import Switch from '.'
 
 const meta = {
-  title: 'Base/Input/Switch',
+  title: 'Base/Data Entry/Switch',
   component: Switch,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/tab-header/index.stories.tsx b/web/app/components/base/tab-header/index.stories.tsx
new file mode 100644
index 0000000000..cb383947d9
--- /dev/null
+++ b/web/app/components/base/tab-header/index.stories.tsx
@@ -0,0 +1,64 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import TabHeader from '.'
+import type { ITabHeaderProps } from '.'
+
+const items: ITabHeaderProps['items'] = [
+  { id: 'overview', name: 'Overview' },
+  { id: 'playground', name: 'Playground' },
+  { id: 'changelog', name: 'Changelog', extra: <span className="ml-1 rounded-full bg-primary-50 px-2 py-0.5 text-xs text-primary-600">New</span> },
+  { id: 'docs', name: 'Docs', isRight: true },
+  { id: 'settings', name: 'Settings', isRight: true, disabled: true },
+]
+
+const TabHeaderDemo = ({
+  initialTab = 'overview',
+}: {
+  initialTab?: string
+}) => {
+  const [activeTab, setActiveTab] = useState(initialTab)
+
+  return (
+    <div className="flex w-full max-w-3xl flex-col gap-6 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="flex items-center justify-between text-xs uppercase tracking-[0.18em] text-text-tertiary">
+        <span>Tabs</span>
+        <code className="rounded-md bg-background-default px-2 py-1 text-[11px] text-text-tertiary">
+          active="{activeTab}"
+        </code>
+      </div>
+      <TabHeader
+        items={items}
+        value={activeTab}
+        onChange={setActiveTab}
+      />
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Navigation/TabHeader',
+  component: TabHeaderDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Two-sided header tabs with optional right-aligned actions. Disabled items illustrate read-only states.',
+      },
+    },
+  },
+  argTypes: {
+    initialTab: {
+      control: 'radio',
+      options: items.map(item => item.id),
+    },
+  },
+  args: {
+    initialTab: 'overview',
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof TabHeaderDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/tab-slider-new/index.stories.tsx b/web/app/components/base/tab-slider-new/index.stories.tsx
new file mode 100644
index 0000000000..669ec9eed9
--- /dev/null
+++ b/web/app/components/base/tab-slider-new/index.stories.tsx
@@ -0,0 +1,52 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import { RiSparklingFill, RiTerminalBoxLine } from '@remixicon/react'
+import TabSliderNew from '.'
+
+const OPTIONS = [
+  { value: 'visual', text: 'Visual builder', icon: <RiSparklingFill className="mr-2 h-4 w-4 text-primary-500" /> },
+  { value: 'code', text: 'Code', icon: <RiTerminalBoxLine className="mr-2 h-4 w-4 text-text-tertiary" /> },
+]
+
+const TabSliderNewDemo = ({
+  initialValue = 'visual',
+}: {
+  initialValue?: string
+}) => {
+  const [value, setValue] = useState(initialValue)
+
+  return (
+    <div className="flex w-full max-w-sm flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="text-xs uppercase tracking-[0.18em] text-text-tertiary">Pill tabs</div>
+      <TabSliderNew value={value} options={OPTIONS} onChange={setValue} />
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Navigation/TabSliderNew',
+  component: TabSliderNewDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Rounded pill tabs suited for switching between editors. Icons illustrate mixed text/icon options.',
+      },
+    },
+  },
+  argTypes: {
+    initialValue: {
+      control: 'radio',
+      options: OPTIONS.map(option => option.value),
+    },
+  },
+  args: {
+    initialValue: 'visual',
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof TabSliderNewDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/tab-slider-plain/index.stories.tsx b/web/app/components/base/tab-slider-plain/index.stories.tsx
new file mode 100644
index 0000000000..dd8c7e0d30
--- /dev/null
+++ b/web/app/components/base/tab-slider-plain/index.stories.tsx
@@ -0,0 +1,56 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useState } from 'react'
+import TabSliderPlain from '.'
+
+const OPTIONS = [
+  { value: 'analytics', text: 'Analytics' },
+  { value: 'activity', text: 'Recent activity' },
+  { value: 'alerts', text: 'Alerts' },
+]
+
+const TabSliderPlainDemo = ({
+  initialValue = 'analytics',
+}: {
+  initialValue?: string
+}) => {
+  const [value, setValue] = useState(initialValue)
+
+  return (
+    <div className="flex w-full max-w-2xl flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="text-xs uppercase tracking-[0.18em] text-text-tertiary">Underline tabs</div>
+      <TabSliderPlain
+        value={value}
+        onChange={setValue}
+        options={OPTIONS}
+      />
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Navigation/TabSliderPlain',
+  component: TabSliderPlainDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Underline-style navigation commonly used in dashboards. Toggle between three sections.',
+      },
+    },
+  },
+  argTypes: {
+    initialValue: {
+      control: 'radio',
+      options: OPTIONS.map(option => option.value),
+    },
+  },
+  args: {
+    initialValue: 'analytics',
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof TabSliderPlainDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/tab-slider/index.stories.tsx b/web/app/components/base/tab-slider/index.stories.tsx
new file mode 100644
index 0000000000..703116fe19
--- /dev/null
+++ b/web/app/components/base/tab-slider/index.stories.tsx
@@ -0,0 +1,93 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useEffect, useState } from 'react'
+import TabSlider from '.'
+
+const OPTIONS = [
+  { value: 'models', text: 'Models' },
+  { value: 'datasets', text: 'Datasets' },
+  { value: 'plugins', text: 'Plugins' },
+]
+
+const TabSliderDemo = ({
+  initialValue = 'models',
+}: {
+  initialValue?: string
+}) => {
+  const [value, setValue] = useState(initialValue)
+
+  useEffect(() => {
+    const originalFetch = globalThis.fetch?.bind(globalThis)
+
+    const handler = async (input: RequestInfo | URL, init?: RequestInit) => {
+      const url = typeof input === 'string'
+        ? input
+        : input instanceof URL
+          ? input.toString()
+          : input.url
+
+      if (url.includes('/workspaces/current/plugin/list')) {
+        return new Response(
+          JSON.stringify({
+            total: 6,
+            plugins: [],
+          }),
+          {
+            status: 200,
+            headers: { 'Content-Type': 'application/json' },
+          },
+        )
+      }
+
+      if (originalFetch)
+        return originalFetch(input, init)
+
+      throw new Error(`Unhandled request for ${url}`)
+    }
+
+    globalThis.fetch = handler as typeof globalThis.fetch
+
+    return () => {
+      if (originalFetch)
+        globalThis.fetch = originalFetch
+    }
+  }, [])
+
+  return (
+    <div className="flex w-full max-w-lg flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="text-xs uppercase tracking-[0.18em] text-text-tertiary">Segmented tabs</div>
+      <TabSlider
+        value={value}
+        options={OPTIONS}
+        onChange={setValue}
+      />
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Navigation/TabSlider',
+  component: TabSliderDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Animated segmented control with sliding highlight. A badge appears when plugins are installed (mocked in Storybook).',
+      },
+    },
+  },
+  argTypes: {
+    initialValue: {
+      control: 'radio',
+      options: OPTIONS.map(option => option.value),
+    },
+  },
+  args: {
+    initialValue: 'models',
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof TabSliderDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/tag-input/index.stories.tsx b/web/app/components/base/tag-input/index.stories.tsx
index bbb314cf3a..7aae9f2773 100644
--- a/web/app/components/base/tag-input/index.stories.tsx
+++ b/web/app/components/base/tag-input/index.stories.tsx
@@ -3,7 +3,7 @@ import { useState } from 'react'
 import TagInput from '.'
 
 const meta = {
-  title: 'Base/Input/TagInput',
+  title: 'Base/Data Entry/TagInput',
   component: TagInput,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/tag-management/index.stories.tsx b/web/app/components/base/tag-management/index.stories.tsx
new file mode 100644
index 0000000000..51f4233461
--- /dev/null
+++ b/web/app/components/base/tag-management/index.stories.tsx
@@ -0,0 +1,131 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useEffect, useRef } from 'react'
+import TagManagementModal from '.'
+import { ToastProvider } from '@/app/components/base/toast'
+import { useStore as useTagStore } from './store'
+import type { Tag } from './constant'
+
+const INITIAL_TAGS: Tag[] = [
+  { id: 'tag-product', name: 'Product', type: 'app', binding_count: 12 },
+  { id: 'tag-growth', name: 'Growth', type: 'app', binding_count: 4 },
+  { id: 'tag-beta', name: 'Beta User', type: 'app', binding_count: 2 },
+  { id: 'tag-rag', name: 'RAG', type: 'knowledge', binding_count: 3 },
+  { id: 'tag-updates', name: 'Release Notes', type: 'knowledge', binding_count: 6 },
+]
+
+const TagManagementPlayground = ({
+  type = 'app',
+}: {
+  type?: 'app' | 'knowledge'
+}) => {
+  const originalFetchRef = useRef<typeof globalThis.fetch>(null)
+  const tagsRef = useRef<Tag[]>(INITIAL_TAGS)
+  const setTagList = useTagStore(s => s.setTagList)
+  const showModal = useTagStore(s => s.showTagManagementModal)
+  const setShowModal = useTagStore(s => s.setShowTagManagementModal)
+
+  useEffect(() => {
+    setTagList(tagsRef.current)
+    setShowModal(true)
+  }, [setTagList, setShowModal])
+
+  useEffect(() => {
+    originalFetchRef.current = globalThis.fetch?.bind(globalThis)
+
+    const handler = async (input: RequestInfo | URL, init?: RequestInit) => {
+      const request = input instanceof Request ? input : new Request(input, init)
+      const url = request.url
+      const method = request.method.toUpperCase()
+      const parsedUrl = new URL(url, window.location.origin)
+
+      if (parsedUrl.pathname.endsWith('/tags')) {
+        if (method === 'GET') {
+          const tagType = parsedUrl.searchParams.get('type') || 'app'
+          const payload = tagsRef.current.filter(tag => tag.type === tagType)
+          return new Response(JSON.stringify(payload), {
+            status: 200,
+            headers: { 'Content-Type': 'application/json' },
+          })
+        }
+        if (method === 'POST') {
+          const body = await request.clone().json() as { name: string; type: string }
+          const newTag: Tag = {
+            id: `tag-${Date.now()}`,
+            name: body.name,
+            type: body.type,
+            binding_count: 0,
+          }
+          tagsRef.current = [newTag, ...tagsRef.current]
+          setTagList(tagsRef.current)
+          return new Response(JSON.stringify(newTag), {
+            status: 200,
+            headers: { 'Content-Type': 'application/json' },
+          })
+        }
+      }
+
+      if (parsedUrl.pathname.endsWith('/tag-bindings/create') || parsedUrl.pathname.endsWith('/tag-bindings/remove')) {
+        return new Response(JSON.stringify({ ok: true }), {
+          status: 200,
+          headers: { 'Content-Type': 'application/json' },
+        })
+      }
+
+      if (originalFetchRef.current)
+        return originalFetchRef.current(request)
+
+      throw new Error(`Unhandled request in mock fetch: ${url}`)
+    }
+
+    globalThis.fetch = handler as typeof globalThis.fetch
+
+    return () => {
+      if (originalFetchRef.current)
+        globalThis.fetch = originalFetchRef.current
+    }
+  }, [setTagList])
+
+  return (
+    <ToastProvider>
+      <div className="flex w-full max-w-xl flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+        <button
+          type="button"
+          className="self-start rounded-md border border-divider-subtle bg-background-default px-3 py-1.5 text-xs font-medium text-text-secondary hover:bg-state-base-hover"
+          onClick={() => setShowModal(true)}
+        >
+          Manage tags
+        </button>
+        <p className="text-xs text-text-tertiary">Mocked tag management flows with create and bind actions.</p>
+      </div>
+      <TagManagementModal show={showModal} type={type} />
+    </ToastProvider>
+  )
+}
+
+const meta = {
+  title: 'Base/Data Display/TagManagementModal',
+  component: TagManagementPlayground,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Complete tag management modal with mocked service calls for browsing and creating tags.',
+      },
+    },
+  },
+  argTypes: {
+    type: {
+      control: 'radio',
+      options: ['app', 'knowledge'],
+    },
+  },
+  args: {
+    type: 'app',
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof TagManagementPlayground>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/tag/index.stories.tsx b/web/app/components/base/tag/index.stories.tsx
new file mode 100644
index 0000000000..8ca15c0c8b
--- /dev/null
+++ b/web/app/components/base/tag/index.stories.tsx
@@ -0,0 +1,62 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import Tag from '.'
+
+const COLORS: Array<NonNullable<React.ComponentProps<typeof Tag>['color']>> = ['green', 'yellow', 'red', 'gray']
+
+const TagGallery = ({
+  bordered = false,
+  hideBg = false,
+}: {
+  bordered?: boolean
+  hideBg?: boolean
+}) => {
+  return (
+    <div className="flex w-full max-w-md flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="text-xs uppercase tracking-[0.18em] text-text-tertiary">Tag variants</div>
+      <div className="grid grid-cols-2 gap-3">
+        {COLORS.map(color => (
+          <div key={color} className="flex flex-col items-start gap-2 rounded-xl border border-transparent px-3 py-2 hover:border-divider-subtle hover:bg-background-default-subtle">
+            <Tag color={color} bordered={bordered} hideBg={hideBg}>
+              {color.charAt(0).toUpperCase() + color.slice(1)}
+            </Tag>
+            <span className="text-[11px] uppercase tracking-[0.16em] text-text-quaternary">{color}</span>
+          </div>
+        ))}
+      </div>
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Data Display/Tag',
+  component: TagGallery,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Color-coded label component. Toggle borders or remove background to fit dark/light surfaces.',
+      },
+    },
+  },
+  argTypes: {
+    bordered: { control: 'boolean' },
+    hideBg: { control: 'boolean' },
+  },
+  args: {
+    bordered: false,
+    hideBg: false,
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof TagGallery>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
+
+export const Outlined: Story = {
+  args: {
+    bordered: true,
+    hideBg: true,
+  },
+}
diff --git a/web/app/components/base/textarea/index.stories.tsx b/web/app/components/base/textarea/index.stories.tsx
index ec27aac22b..41d8bda458 100644
--- a/web/app/components/base/textarea/index.stories.tsx
+++ b/web/app/components/base/textarea/index.stories.tsx
@@ -3,7 +3,7 @@ import { useState } from 'react'
 import Textarea from '.'
 
 const meta = {
-  title: 'Base/Input/Textarea',
+  title: 'Base/Data Entry/Textarea',
   component: Textarea,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/toast/index.stories.tsx b/web/app/components/base/toast/index.stories.tsx
new file mode 100644
index 0000000000..6ef65475cb
--- /dev/null
+++ b/web/app/components/base/toast/index.stories.tsx
@@ -0,0 +1,104 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import { useCallback } from 'react'
+import Toast, { ToastProvider, useToastContext } from '.'
+
+const ToastControls = () => {
+  const { notify } = useToastContext()
+
+  const trigger = useCallback((type: 'success' | 'error' | 'warning' | 'info') => {
+    notify({
+      type,
+      message: `This is a ${type} toast`,
+      children: type === 'info' ? 'Additional details can live here.' : undefined,
+    })
+  }, [notify])
+
+  return (
+    <div className="flex flex-wrap gap-3">
+      <button
+        type="button"
+        className="rounded-md border border-divider-subtle bg-background-default px-3 py-1.5 text-xs font-medium text-text-secondary hover:bg-state-base-hover"
+        onClick={() => trigger('success')}
+      >
+        Success
+      </button>
+      <button
+        type="button"
+        className="rounded-md border border-divider-subtle bg-background-default px-3 py-1.5 text-xs font-medium text-text-secondary hover:bg-state-base-hover"
+        onClick={() => trigger('info')}
+      >
+        Info
+      </button>
+      <button
+        type="button"
+        className="rounded-md border border-divider-subtle bg-background-default px-3 py-1.5 text-xs font-medium text-text-secondary hover:bg-state-base-hover"
+        onClick={() => trigger('warning')}
+      >
+        Warning
+      </button>
+      <button
+        type="button"
+        className="rounded-md border border-divider-subtle bg-background-default px-3 py-1.5 text-xs font-medium text-text-secondary hover:bg-state-base-hover"
+        onClick={() => trigger('error')}
+      >
+        Error
+      </button>
+    </div>
+  )
+}
+
+const ToastProviderDemo = () => {
+  return (
+    <ToastProvider>
+      <div className="flex w-full max-w-md flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+        <div className="text-xs uppercase tracking-[0.18em] text-text-tertiary">Toast provider</div>
+        <ToastControls />
+      </div>
+    </ToastProvider>
+  )
+}
+
+const StaticToastDemo = () => {
+  return (
+    <div className="flex w-full max-w-md flex-col gap-4 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="text-xs uppercase tracking-[0.18em] text-text-tertiary">Static API</div>
+      <button
+        type="button"
+        className="self-start rounded-md border border-divider-subtle bg-background-default px-3 py-1.5 text-xs font-medium text-text-secondary hover:bg-state-base-hover"
+        onClick={() => {
+          const handle = Toast.notify({
+            type: 'success',
+            message: 'Saved changes',
+            duration: 2000,
+          })
+          setTimeout(() => handle.clear?.(), 2500)
+        }}
+      >
+        Trigger Toast.notify()
+      </button>
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Feedback/Toast',
+  component: ToastProviderDemo,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'ToastProvider based notifications and the static Toast.notify helper. Buttons showcase each toast variant.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof ToastProviderDemo>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Provider: Story = {}
+
+export const StaticApi: Story = {
+  render: () => <StaticToastDemo />,
+}
diff --git a/web/app/components/base/tooltip/index.stories.tsx b/web/app/components/base/tooltip/index.stories.tsx
new file mode 100644
index 0000000000..aeca69464f
--- /dev/null
+++ b/web/app/components/base/tooltip/index.stories.tsx
@@ -0,0 +1,60 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import Tooltip from '.'
+
+const TooltipGrid = () => {
+  return (
+    <div className="flex w-full max-w-xl flex-col gap-6 rounded-2xl border border-divider-subtle bg-components-panel-bg p-6">
+      <div className="text-xs uppercase tracking-[0.18em] text-text-tertiary">Hover tooltips</div>
+      <div className="flex flex-wrap gap-4">
+        <Tooltip popupContent="Helpful hint explaining the setting.">
+          <button
+            type="button"
+            className="rounded-md border border-divider-subtle bg-background-default px-3 py-1 text-xs font-medium text-text-secondary hover:bg-state-base-hover"
+          >
+            Hover me
+          </button>
+        </Tooltip>
+        <Tooltip popupContent="Placement can vary." position="right">
+          <span className="rounded-md bg-background-default px-3 py-1 text-xs text-text-secondary">
+            Right tooltip
+          </span>
+        </Tooltip>
+      </div>
+      <div className="text-xs uppercase tracking-[0.18em] text-text-tertiary">Click tooltips</div>
+      <div className="flex flex-wrap gap-4">
+        <Tooltip popupContent="Click again to close." triggerMethod="click" position="bottom-start">
+          <button
+            type="button"
+            className="rounded-md border border-divider-subtle bg-background-default px-3 py-1 text-xs font-medium text-text-secondary hover:bg-state-base-hover"
+          >
+            Click trigger
+          </button>
+        </Tooltip>
+        <Tooltip popupContent="Decoration disabled" triggerMethod="click" noDecoration>
+          <span className="rounded-md border border-dashed border-divider-regular px-3 py-1 text-xs text-text-secondary">
+            Plain content
+          </span>
+        </Tooltip>
+      </div>
+    </div>
+  )
+}
+
+const meta = {
+  title: 'Base/Feedback/Tooltip',
+  component: TooltipGrid,
+  parameters: {
+    layout: 'centered',
+    docs: {
+      description: {
+        component: 'Portal-based tooltip component supporting hover and click triggers, custom placements, and decorated content.',
+      },
+    },
+  },
+  tags: ['autodocs'],
+} satisfies Meta<typeof TooltipGrid>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Playground: Story = {}
diff --git a/web/app/components/base/video-gallery/index.stories.tsx b/web/app/components/base/video-gallery/index.stories.tsx
new file mode 100644
index 0000000000..7e17ee208c
--- /dev/null
+++ b/web/app/components/base/video-gallery/index.stories.tsx
@@ -0,0 +1,40 @@
+import type { Meta, StoryObj } from '@storybook/nextjs'
+import VideoGallery from '.'
+
+const VIDEO_SOURCES = [
+  'https://interactive-examples.mdn.mozilla.net/media/cc0-videos/flower.mp4',
+  'https://interactive-examples.mdn.mozilla.net/media/cc0-videos/forest.mp4',
+]
+
+const meta = {
+  title: 'Base/Data Display/VideoGallery',
+  component: VideoGallery,
+  parameters: {
+    layout: 'fullscreen',
+    docs: {
+      description: {
+        component: 'Stacked list of video players with custom controls for progress, volume, and fullscreen.',
+      },
+      source: {
+        language: 'tsx',
+        code: `
+<VideoGallery
+  srcs={[
+    'https://interactive-examples.mdn.mozilla.net/media/cc0-videos/flower.mp4',
+    'https://interactive-examples.mdn.mozilla.net/media/cc0-videos/forest.mp4',
+  ]}
+/>
+        `.trim(),
+      },
+    },
+  },
+  tags: ['autodocs'],
+  args: {
+    srcs: VIDEO_SOURCES,
+  },
+} satisfies Meta<typeof VideoGallery>
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const Default: Story = {}
diff --git a/web/app/components/base/voice-input/index.stories.tsx b/web/app/components/base/voice-input/index.stories.tsx
index 0a7980e9ac..714cde72b5 100644
--- a/web/app/components/base/voice-input/index.stories.tsx
+++ b/web/app/components/base/voice-input/index.stories.tsx
@@ -81,7 +81,7 @@ const VoiceInputMock = ({ onConverted, onCancel }: any) => {
 }
 
 const meta = {
-  title: 'Base/Input/VoiceInput',
+  title: 'Base/Data Entry/VoiceInput',
   component: VoiceInputMock,
   parameters: {
     layout: 'centered',
diff --git a/web/app/components/base/with-input-validation/index.stories.tsx b/web/app/components/base/with-input-validation/index.stories.tsx
index 5a7e4bc678..26fa9747d8 100644
--- a/web/app/components/base/with-input-validation/index.stories.tsx
+++ b/web/app/components/base/with-input-validation/index.stories.tsx
@@ -63,7 +63,7 @@ const ValidatedUserCard = withValidation(UserCard, userSchema)
 const ValidatedProductCard = withValidation(ProductCard, productSchema)
 
 const meta = {
-  title: 'Base/Input/WithInputValidation',
+  title: 'Base/Data Entry/WithInputValidation',
   parameters: {
     layout: 'centered',
     docs: {