feat(ECR-006): 落地运营后台 Phase A（admin API + admin-h5）

新增独立鉴权的 /api/v1/admin 与 Vue 控制台；会员授予与审计同事务，并补集成/单测。

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

apps/api/internal/repository/report_repo.go

@@ -91,11 +91,11 @@ func (r *ReportRepo) HasActiveMembership(ctx context.Context, userID uuid.UUID)
 
 // MembershipRow is the current membership snapshot for a user.
 type MembershipRow struct {
-	Plan         string
-	Status       string
-	ExpiresAt    *time.Time
-	AskQuotaLeft int
-	Active       bool
+	Plan         string     `json:"plan,omitempty"`
+	Status       string     `json:"status"`
+	ExpiresAt    *time.Time `json:"expires_at,omitempty"`
+	AskQuotaLeft int        `json:"ask_quota_left,omitempty"`
+	Active       bool       `json:"active"`
 }
 
 // GetMembership returns membership status; missing row → inactive.