fix(skill): refuse mutating MCP/ACP virtual skills and hide their card-level edit affordance

mateclaw-server/src/main/java/vip/mate/skill/controller/SkillController.java

@@ -249,9 +249,29 @@ public class SkillController {
     @Operation(summary = "重新扫描单个技能（RFC-042 §2.3.4）")
     @PostMapping("/{id}/rescan")
     public R<SkillEntity> rescan(@PathVariable Long id) {
+        rejectVirtualSkillMutation(id);
         return R.ok(skillService.rescanSecurity(id));
     }
 
+    /**
+     * Mutation paths refuse virtual MCP/ACP skill ids upfront. The bridge
+     * synthesizes those rows on the fly from the upstream connection
+     * config; persisting an update against {@code mate_skill} would
+     * either silently no-op (no row to update) or — as users have hit —
+     * throw "技能不存在" because the lookup precedes the update. Sending
+     * a clear 4xx with a redirect hint is the right shape: the user
+     * wants the icon / display name / etc. to stick, and the only place
+     * those fields persist for an MCP entry is the MCP connection page.
+     */
+    private void rejectVirtualSkillMutation(Long id) {
+        if (vip.mate.skill.mcp.McpSkillBridge.isVirtualMcpSkillId(id)
+                || vip.mate.skill.acp.AcpSkillBridge.isVirtualAcpSkillId(id)) {
+            throw new vip.mate.exception.MateClawException(
+                    "err.skill.virtual_readonly",
+                    "MCP/ACP 衍生技能不可在此编辑——请到 Settings ▸ MCP/ACP 连接页修改");
+        }
+    }
+
     @Operation(summary = "获取已启用技能列表")
     @GetMapping("/enabled")
     public R<List<SkillEntity>> listEnabled() {
@@ -321,6 +341,7 @@ public class SkillController {
     @Operation(summary = "更新技能")
     @PutMapping("/{id}")
     public R<SkillEntity> update(@PathVariable Long id, @RequestBody SkillEntity skill) {
+        rejectVirtualSkillMutation(id);
         skill.setId(id);
         return R.ok(skillService.updateSkill(skill));
     }
@@ -337,6 +358,7 @@ public class SkillController {
     @Operation(summary = "硬删除技能 (admin only — 物理删除 + 工作区清空)")
     @DeleteMapping("/{id}")
     public R<Void> delete(@PathVariable Long id) {
+        rejectVirtualSkillMutation(id);
         skillService.hardDeleteSkill(id);
         return R.ok();
     }
@@ -344,6 +366,7 @@ public class SkillController {
     @Operation(summary = "启用/禁用技能")
     @PutMapping("/{id}/toggle")
     public R<SkillEntity> toggle(@PathVariable Long id, @RequestParam boolean enabled) {
+        rejectVirtualSkillMutation(id);
         return R.ok(skillService.toggleSkill(id, enabled));
     }
 

mateclaw-ui/src/views/SkillMarket.vue

@@ -129,6 +129,7 @@
                   </svg>
                 </button>
                 <button
+                  v-if="!isSkillRowVirtual(skill)"
                   class="skill-btn"
                   :title="t('skills.actions.configure')"
                   @click="openEditFromCard(skill)"
@@ -139,7 +140,7 @@
                   </svg>
                 </button>
                 <button
-                  v-if="skill.skillType !== 'builtin'"
+                  v-if="skill.skillType !== 'builtin' && !isSkillRowVirtual(skill)"
                   class="skill-btn danger"
                   :title="t('skills.actions.delete')"
                   @click="deleteSkill(skill)"
@@ -740,11 +741,14 @@ const newForm = ref<{ name: string; description: string; icon: string }>({ name:
  *  {@link McpSkillBridge#VIRTUAL_ID_BASE} (= 9e18). The DB update path
  *  doesn't know about them, so the drawer hides the Edit affordance.
  *  Using string-length is robust against JS number precision loss past 2^53. */
-const isVirtualSkill = computed(() => {
-  if (!detailSkill.value?.id) return false
-  const idStr = String(detailSkill.value.id)
+function isVirtualSkillId(id: unknown): boolean {
+  if (id === null || id === undefined) return false
+  const idStr = String(id)
   return idStr.length >= 19 && idStr.startsWith('9')
-})
+}
+/** Per-row check used by the card-level configure / delete buttons. */
+const isSkillRowVirtual = (skill: { id?: unknown } | null | undefined) => isVirtualSkillId(skill?.id)
+const isVirtualSkill = computed(() => isVirtualSkillId(detailSkill.value?.id))
 const isBuiltinDetail = computed(() => detailSkill.value?.skillType === 'builtin' || !!detailSkill.value?.builtin)
 
 /** RFC-090 §4.4 — pre-flight dialog state. */
@@ -1034,9 +1038,14 @@ async function createSkillFromModal() {
 }
 
 /** Old configure-on-card button now lands in the drawer Overview tab in
- *  edit mode — keeps the surface contract but skips the modal trip. */
+ *  edit mode — keeps the surface contract but skips the modal trip.
+ *  Virtual MCP/ACP-derived skills aren't editable; the card-level button
+ *  is hidden for them, but if any other call path reaches here with a
+ *  virtual skill, fall through to view mode rather than opening an edit
+ *  surface that will 4xx on save. */
 function openEditFromCard(skill: Skill) {
-  openDetailDrawer(skill, 'overview', { editIdentity: true })
+  const opts = isSkillRowVirtual(skill) ? undefined : { editIdentity: true }
+  openDetailDrawer(skill, 'overview', opts)
 }
 
 // ==================== Inline edit (Overview / Body) ====================