feat(ECR-014): MembershipPlan 套餐配置并 Closed

membership_plans 表、admin 套餐页、Grant/CreateOrder 读表；
Loop continuous 自动 Approve/Closed。Next：ECR-015 RedemptionCode。

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/TEST_REPORT/ECR-014.md

@@ -0,0 +1,29 @@
+# TEST_REPORT — ECR-014 MembershipPlan
+
+Date: 2026-08-07 · Loop continuous
+
+## Commands
+
+```bash
+cd apps/api && go test ./internal/integration/ -run TestMembershipPlans -count=1
+npm run build:admin
+```
+
+## Results
+
+| Check | Result |
+|-------|--------|
+| TestMembershipPlans | PASS |
+| build:admin | PASS |
+
+## AC
+
+| ID | Evidence |
+|----|----------|
+| AC-F-01 | GET plans ≥3 codes |
+| AC-F-02 | PUT month → GET 一致 |
+| AC-F-03 | grant month 200（读表 duration） |
+| AC-S-01 | RequirePermission middleware（同 013A 模式） |
+| AC-S-02 | 无 token → 401 |
+| AC-P-01 | GET < 500ms |
+| AC-O-01 | AuditLog membership.plans.update |