diff --git a/mateclaw-server/src/main/java/vip/mate/wiki/controller/WikiController.java b/mateclaw-server/src/main/java/vip/mate/wiki/controller/WikiController.java
index 00e0ca04..7e0cf1ed 100644
--- a/mateclaw-server/src/main/java/vip/mate/wiki/controller/WikiController.java
+++ b/mateclaw-server/src/main/java/vip/mate/wiki/controller/WikiController.java
@@ -1,5 +1,6 @@
 package vip.mate.wiki.controller;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import lombok.RequiredArgsConstructor;
@@ -16,7 +17,9 @@ import vip.mate.workspace.core.annotation.RequireWorkspaceRole;
 import vip.mate.wiki.WikiProperties;
 import vip.mate.wiki.model.WikiKnowledgeBaseEntity;
 import vip.mate.wiki.model.WikiPageEntity;
+import vip.mate.wiki.model.WikiPageTypeProfileEntity;
 import vip.mate.wiki.model.WikiRawMaterialEntity;
+import vip.mate.wiki.profile.WikiPageTypeProfileService;
 import vip.mate.wiki.service.WikiDirectoryScanService;
 import vip.mate.wiki.service.WikiKnowledgeBaseService;
 import vip.mate.wiki.service.WikiLintJobService;
@@ -55,6 +58,8 @@ public class WikiController {
     private final WikiProperties properties;
     private final WikiProgressBus progressBus;
     private final AuditEventService auditEventService;
+    private final WikiPageTypeProfileService pageTypeProfileService;
+    private final ObjectMapper objectMapper;
 
     // ==================== Knowledge Base ====================
 
@@ -189,6 +194,77 @@ public class WikiController {
         return R.ok();
     }
 
+    // ==================== PageType Profile ====================
+
+    @RequireWorkspaceRole("viewer")
+    @Operation(summary = "获取知识库 pageType profile（未配置则返回内置默认）")
+    @GetMapping("/knowledge-bases/{id}/page-type-profile")
+    public R<Map<String, Object>> getPageTypeProfile(@PathVariable Long id,
+                                                     @RequestHeader(value = "X-Workspace-Id", required = false) Long workspaceId) {
+        verifyKBWorkspace(id, workspaceId);
+        WikiPageTypeProfileEntity row = pageTypeProfileService.findEnabledRow(id);
+        Map<String, Object> out = new LinkedHashMap<>();
+        if (row != null) {
+            out.put("name", row.getName());
+            out.put("version", row.getVersion());
+            out.put("config", row.getConfigJson());
+            out.put("builtinDefault", false);
+        } else {
+            String json;
+            try {
+                json = objectMapper.writeValueAsString(pageTypeProfileService.getDefaultProfile());
+            } catch (Exception e) {
+                json = "{}";
+            }
+            out.put("name", "default");
+            out.put("version", 0);
+            out.put("config", json);
+            out.put("builtinDefault", true);
+        }
+        return R.ok(out);
+    }
+
+    @RequireWorkspaceRole("admin")
+    @Operation(summary = "保存知识库 pageType profile")
+    @PutMapping("/knowledge-bases/{id}/page-type-profile")
+    public R<Void> savePageTypeProfile(@PathVariable Long id, @RequestBody Map<String, String> body,
+                                       @RequestHeader(value = "X-Workspace-Id", required = false) Long workspaceId) {
+        verifyKBWorkspace(id, workspaceId);
+        String config = body.get("config");
+        if (config == null || config.isBlank()) {
+            return R.fail(400, "config is required");
+        }
+        try {
+            pageTypeProfileService.saveProfile(id, body.get("name"), config);
+        } catch (IllegalArgumentException e) {
+            return R.fail(400, e.getMessage());
+        }
+        return R.ok();
+    }
+
+    @RequireWorkspaceRole("member")
+    @Operation(summary = "校验 pageType profile JSON（不保存）")
+    @PostMapping("/knowledge-bases/{id}/page-type-profile/validate")
+    public R<Map<String, Object>> validatePageTypeProfile(@PathVariable Long id, @RequestBody Map<String, String> body,
+                                                          @RequestHeader(value = "X-Workspace-Id", required = false) Long workspaceId) {
+        verifyKBWorkspace(id, workspaceId);
+        List<String> issues = pageTypeProfileService.validateProfileJson(body.getOrDefault("config", ""));
+        Map<String, Object> out = new LinkedHashMap<>();
+        out.put("valid", issues.isEmpty());
+        out.put("issues", issues);
+        return R.ok(out);
+    }
+
+    @RequireWorkspaceRole("admin")
+    @Operation(summary = "重置 pageType profile 为内置默认")
+    @PostMapping("/knowledge-bases/{id}/page-type-profile/reset-default")
+    public R<Void> resetPageTypeProfile(@PathVariable Long id,
+                                        @RequestHeader(value = "X-Workspace-Id", required = false) Long workspaceId) {
+        verifyKBWorkspace(id, workspaceId);
+        pageTypeProfileService.resetToDefault(id);
+        return R.ok();
+    }
+
     // ==================== Directory Scan ====================
 
     @RequireWorkspaceRole("member")
diff --git a/mateclaw-server/src/main/java/vip/mate/wiki/profile/WikiPageTypeProfileService.java b/mateclaw-server/src/main/java/vip/mate/wiki/profile/WikiPageTypeProfileService.java
index 8ce2e6cc..eac958e4 100644
--- a/mateclaw-server/src/main/java/vip/mate/wiki/profile/WikiPageTypeProfileService.java
+++ b/mateclaw-server/src/main/java/vip/mate/wiki/profile/WikiPageTypeProfileService.java
@@ -89,6 +89,98 @@ public class WikiPageTypeProfileService {
         return resolveProfile(kbId).getPageTypes().keySet();
     }
 
+    /** The enabled profile row for a KB, or {@code null} when none configured. */
+    public WikiPageTypeProfileEntity findEnabledRow(Long kbId) {
+        if (kbId == null) {
+            return null;
+        }
+        return profileMapper.selectOne(
+                new LambdaQueryWrapper<WikiPageTypeProfileEntity>()
+                        .eq(WikiPageTypeProfileEntity::getKbId, kbId)
+                        .eq(WikiPageTypeProfileEntity::getEnabled, 1)
+                        .last("LIMIT 1"));
+    }
+
+    /**
+     * Persist a KB profile. Parses {@code configJson} first (rejecting invalid
+     * JSON), then upserts the KB's single enabled row — updating in place and
+     * bumping its version when one exists, else inserting a new enabled row.
+     *
+     * @throws IllegalArgumentException when {@code configJson} does not parse
+     */
+    public void saveProfile(Long kbId, String name, String configJson) {
+        try {
+            objectMapper.readValue(configJson, WikiPageTypeProfile.class);
+        } catch (Exception e) {
+            throw new IllegalArgumentException("Invalid profile config JSON: " + e.getMessage());
+        }
+        WikiPageTypeProfileEntity existing = findEnabledRow(kbId);
+        if (existing != null) {
+            existing.setConfigJson(configJson);
+            if (name != null && !name.isBlank()) {
+                existing.setName(name);
+            }
+            existing.setVersion((existing.getVersion() == null ? 1 : existing.getVersion()) + 1);
+            profileMapper.updateById(existing);
+        } else {
+            WikiPageTypeProfileEntity row = new WikiPageTypeProfileEntity();
+            row.setKbId(kbId);
+            row.setName(name == null || name.isBlank() ? "default" : name);
+            row.setVersion(1);
+            row.setConfigJson(configJson);
+            row.setEnabled(1);
+            profileMapper.insert(row);
+        }
+    }
+
+    /**
+     * Reset a KB to the built-in default by removing its profile rows, so
+     * {@link #resolveProfile} falls back to the default. Logical delete.
+     */
+    public void resetToDefault(Long kbId) {
+        if (kbId == null) {
+            return;
+        }
+        profileMapper.delete(new LambdaQueryWrapper<WikiPageTypeProfileEntity>()
+                .eq(WikiPageTypeProfileEntity::getKbId, kbId));
+    }
+
+    /**
+     * Structurally validate a profile JSON without persisting it. Returns a
+     * list of human-readable issues; empty means valid.
+     */
+    public java.util.List<String> validateProfileJson(String configJson) {
+        java.util.List<String> issues = new java.util.ArrayList<>();
+        WikiPageTypeProfile profile;
+        try {
+            profile = objectMapper.readValue(configJson, WikiPageTypeProfile.class);
+        } catch (Exception e) {
+            issues.add("Invalid JSON: " + e.getMessage());
+            return issues;
+        }
+        if (profile.getPageTypes() == null || profile.getPageTypes().isEmpty()) {
+            issues.add("Profile declares no pageTypes");
+            return issues;
+        }
+        java.util.Set<String> validTypes = java.util.Set.of(
+                "string", "number", "boolean", "date", "enum", "string_array");
+        profile.getPageTypes().forEach((typeName, def) -> {
+            if (def.getSchema() == null) {
+                return;
+            }
+            def.getSchema().forEach((fieldName, fieldSchema) -> {
+                String t = fieldSchema.getType();
+                if (t == null || !validTypes.contains(t.trim().toLowerCase())) {
+                    issues.add(typeName + "." + fieldName + ": unknown field type '" + t + "'");
+                } else if ("enum".equalsIgnoreCase(t.trim())
+                        && (fieldSchema.getValues() == null || fieldSchema.getValues().isEmpty())) {
+                    issues.add(typeName + "." + fieldName + ": enum field declares no values");
+                }
+            });
+        });
+        return issues;
+    }
+
     /**
      * Normalise a routed/created pageType against the KB profile: a declared
      * type is returned as-is (lowercase); an unknown type is downgraded to the
diff --git a/mateclaw-server/src/test/java/vip/mate/wiki/profile/WikiPageTypeProfileServiceE2ETest.java b/mateclaw-server/src/test/java/vip/mate/wiki/profile/WikiPageTypeProfileServiceE2ETest.java
new file mode 100644
index 00000000..190b5a02
--- /dev/null
+++ b/mateclaw-server/src/test/java/vip/mate/wiki/profile/WikiPageTypeProfileServiceE2ETest.java
@@ -0,0 +1,104 @@
+package vip.mate.wiki.profile;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.annotation.DirtiesContext;
+import vip.mate.wiki.model.WikiPageTypeProfileEntity;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+/**
+ * Integration tests for {@link WikiPageTypeProfileService} CRUD against H2:
+ * upsert keeps a single enabled row (no generated-column violation), reset
+ * falls back to the default, and JSON validation reports structural issues.
+ */
+@SpringBootTest(
+        webEnvironment = SpringBootTest.WebEnvironment.NONE,
+        properties = {
+                "spring.flyway.enabled=true",
+                "spring.flyway.locations=classpath:db/migration/h2",
+                "mateclaw.feature-flag.refresh-ms=999999"
+        }
+)
+@DirtiesContext(classMode = DirtiesContext.ClassMode.AFTER_CLASS)
+class WikiPageTypeProfileServiceE2ETest {
+
+    @Autowired
+    private WikiPageTypeProfileService service;
+
+    private static final String EPISODE_JSON =
+            "{\"version\":1,\"pageTypes\":{\"episode\":{\"label\":\"Episode\"}}}";
+
+    @Test
+    void saveThenResolve_roundTrips() {
+        long kb = 5001L;
+        service.saveProfile(kb, "liquidity", EPISODE_JSON);
+
+        WikiPageTypeProfileEntity row = service.findEnabledRow(kb);
+        assertNotNull(row);
+        assertEquals("liquidity", row.getName());
+        assertEquals(1, row.getVersion());
+        assertTrue(service.resolveProfile(kb).hasPageType("episode"));
+    }
+
+    @Test
+    void saveTwice_upsertsInPlaceAndBumpsVersion() {
+        long kb = 5002L;
+        service.saveProfile(kb, "v1", EPISODE_JSON);
+        // Saving again must update the single enabled row, not insert a second
+        // (which would violate the one-enabled-per-KB generated-column UNIQUE).
+        service.saveProfile(kb, "v1",
+                "{\"version\":1,\"pageTypes\":{\"episode\":{\"label\":\"E\"},\"pattern\":{\"label\":\"P\"}}}");
+
+        WikiPageTypeProfileEntity row = service.findEnabledRow(kb);
+        assertEquals(2, row.getVersion());
+        assertTrue(service.resolveProfile(kb).hasPageType("pattern"));
+    }
+
+    @Test
+    void resetToDefault_removesRowAndFallsBack() {
+        long kb = 5003L;
+        service.saveProfile(kb, "custom", EPISODE_JSON);
+        assertNotNull(service.findEnabledRow(kb));
+
+        service.resetToDefault(kb);
+
+        assertNull(service.findEnabledRow(kb));
+        // Resolution now returns the built-in default.
+        assertTrue(service.resolveProfile(kb).hasPageType("concept"));
+        assertFalse(service.resolveProfile(kb).hasPageType("episode"));
+    }
+
+    @Test
+    void invalidConfig_isRejectedOnSave() {
+        try {
+            service.saveProfile(5004L, "bad", "{ not json");
+            org.junit.jupiter.api.Assertions.fail("expected IllegalArgumentException");
+        } catch (IllegalArgumentException expected) {
+            // ok
+        }
+    }
+
+    @Test
+    void validateProfileJson_reportsIssues() {
+        assertTrue(service.validateProfileJson(EPISODE_JSON).isEmpty());
+
+        List<String> noTypes = service.validateProfileJson("{\"pageTypes\":{}}");
+        assertFalse(noTypes.isEmpty());
+
+        List<String> badEnum = service.validateProfileJson(
+                "{\"pageTypes\":{\"x\":{\"schema\":{\"f\":{\"type\":\"enum\"}}}}}");
+        assertTrue(badEnum.stream().anyMatch(s -> s.contains("enum")));
+
+        List<String> badType = service.validateProfileJson(
+                "{\"pageTypes\":{\"x\":{\"schema\":{\"f\":{\"type\":\"banana\"}}}}}");
+        assertTrue(badType.stream().anyMatch(s -> s.contains("unknown field type")));
+    }
+}