24 lines
537 B
Markdown
24 lines
537 B
Markdown
# Backend Design: ECR-027 KnowledgeChunk
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| ID | BD-2026-027 |
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| Status | Approved |
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| Coding | Loop authorized |
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| Level | L2 |
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| Migration | YES 000028 |
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## Backend Change Boundary
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```text
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Domain: KnowledgeChunk (read)
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App: AdminHandler → admin.Service → AdminRepo
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API: GET /admin/ai/knowledge-chunks; GET /admin/ai/knowledge-chunks/{id}
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Permission: admin.ai_config.read
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Migration: 000028
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```
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## Out of boundary
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Embedding · 上传切块 · 运行时 RAG 接线 · UGC · 真支付
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Rollback: down migration + remove routes/UI
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