feat(ECR-039): GrowthInsights FunnelDefinition 只读并 Closed

FunnelDefinition catalog (000040) · Loop continuous.

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

@@ -48,6 +48,7 @@
 | [ops-rhythm-config.md](ops-rhythm-config.md) | ExploreConfig RhythmConfig | §7 | `GET /admin/explore/rhythm-configs*` | Ops-D · **ECR-036 Closed** |
 | [ops-image-card-deck.md](ops-image-card-deck.md) | ExploreConfig ImageCardDeck | §7 | `GET /admin/explore/image-card-decks*` | Ops-D · **ECR-037 Closed** |
 | [ops-report-template.md](ops-report-template.md) | GrowthInsights ReportTemplate | §7 | `GET /admin/growth/report-templates*` | Ops-D · **ECR-038 Closed** |
+| [ops-funnel-definition.md](ops-funnel-definition.md) | GrowthInsights FunnelDefinition | §7 | `GET /admin/analytics/funnel-definitions*` | Ops-D · **ECR-039 Closed** |
 
 新功能：复制 `_TEMPLATE.md` → 填满 → 在本表登记 → 再编码。
 

.ai/product/feature-spec/ops-funnel-definition.md

@@ -0,0 +1,41 @@
+# Feature Spec: GrowthInsights · FunnelDefinition（Ops · ECR-039）
+
+> Status: `Active`（Loop continuous · **ECR-039 Closed**）  
+> Parent: WAVE0-FROZEN · Predecessor: ECR-038 Closed  
+> Capability: `GrowthInsights` · BC: `Analytics_OpsB`  
+> 授权：`docs/WAVE0/LOOP_AUTHORIZATION.md`
+
+## Non-goals
+
+漏斗写配置 · UGC · 真支付
+
+## L2 Domain
+
+| 概念 | 语义 |
+|------|------|
+| `FunnelDefinition` | 本切片只读目录；code 唯一（若适用） |
+
+## L3 API
+
+| Method | Path | 权限 | 语义 |
+|--------|------|------|------|
+| GET | `/admin/analytics/funnel-definitions` | `admin.analytics.read` | 只读 |
+| GET | `/admin/analytics/funnel-definitions/{id}` | `admin.analytics.read` | 只读 |
+
+## Migration
+
+`000040`：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-039.yaml`