feat(ECR-023): AICoreConfig KnowledgeSource 只读并 Closed

运营可观测知识源目录（knowledge_sources + admin /ai），不含 Chunk/Embedding。 Co-authored-by: Cursor <cursoragent@cursor.com>
2026-08-08 01:49:58 +08:00
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+# Backend Design: ECR-023 KnowledgeSource
+
+| ID | BD-2026-023 |
+| Status | Approved |
+| Coding | Loop authorized |
+| Level | L2 |
+| Migration | YES 000024 |
+
+## Backend Change Boundary
+
+```text
+Domain: KnowledgeSource (read catalog only)
+App: AdminHandler → admin.Service → AdminRepo
+API: GET /admin/ai/knowledge-sources[+/:id]
+Permission: admin.ai_config.read (reuse; no new perm)
+Migration: 000024 knowledge_sources + seed ask_grounding
+UI: admin-h5 /ai KnowledgeSource panel
+```
+
+## Out of boundary
+
+KnowledgeChunk · Embedding · upload/publish · ToolDefinition · UGC · Payment · runtime RAG wiring
+
+Rollback: down migration + remove routes/UI panel