feat(ECR-030): ContentSafety ModerationCase 只读并 Closed

ModerationCase catalog (000031) · Loop continuous.

.ai/product/feature-spec/README.md

@@ -39,6 +39,7 @@
 | [ops-knowledge-chunk.md](ops-knowledge-chunk.md) | AICoreConfig KnowledgeChunk | §7 | `GET /admin/ai/knowledge-chunks*` | Ops-D · **ECR-027 Closed** |
 | [ops-tool-definition.md](ops-tool-definition.md) | AICoreConfig ToolDefinition | §7 | `GET /admin/ai/tools*` | Ops-D · **ECR-028 Closed** |
 | [ops-block-policy.md](ops-block-policy.md) | ContentSafety BlockPolicy | §7 | `GET /admin/content-safety/block-policies*` | Ops-D · **ECR-029 Closed** |
+| [ops-moderation-case.md](ops-moderation-case.md) | ContentSafety ModerationCase | §7 | `GET /admin/content-safety/cases*` | Ops-D · **ECR-030 Closed** |
 
 新功能：复制 `_TEMPLATE.md` → 填满 → 在本表登记 → 再编码。
 

.ai/product/feature-spec/ops-moderation-case.md

@@ -0,0 +1,41 @@
+# Feature Spec: ContentSafety · ModerationCase（Ops · ECR-030）
+
+> Status: `Active`（Loop continuous · **ECR-030 Closed**）  
+> Parent: WAVE0-FROZEN · Predecessor: ECR-029 Closed  
+> Capability: `ContentSafety` · BC: `Content_Safety`  
+> 授权：`docs/WAVE0/LOOP_AUTHORIZATION.md`
+
+## Non-goals
+
+审核写回 · 真 NLP 厂商 · UGC · 真支付
+
+## L2 Domain
+
+| 概念 | 语义 |
+|------|------|
+| `ModerationCase` | 本切片只读目录；code 唯一（若适用） |
+
+## L3 API
+
+| Method | Path | 权限 | 语义 |
+|--------|------|------|------|
+| GET | `/admin/content-safety/cases` | `admin.content_safety.read` | 只读 |
+| GET | `/admin/content-safety/cases/{id}` | `admin.content_safety.read` | 只读 |
+
+## Migration
+
+`000031`：表 + 种子（若有）（权限复用）
+
+## L4 AC
+
+| ID | Then |
+|----|------|
+| AC-F-01 | list 含种子或空列表合法 |
+| AC-F-02 | 已知 id get 200 |
+| AC-F-03 | 未知 id → 404 |
+| AC-S-01 | 无 Admin → 401 |
+| AC-S-02 | 无权限 → 403 |
+| AC-P-01 | list < 500ms |
+| AC-O-01 | N/A 只读 |
+
+contract_diff: `docs/CONTRACT_DIFF/ECR-030.yaml`