diff --git a/.ai/product/feature-spec/README.md b/.ai/product/feature-spec/README.md
index 982e7a7..b992665 100644
--- a/.ai/product/feature-spec/README.md
+++ b/.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。
 
diff --git a/.ai/product/feature-spec/ops-funnel-definition.md b/.ai/product/feature-spec/ops-funnel-definition.md
new file mode 100644
index 0000000..5ffe301
--- /dev/null
+++ b/.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`
diff --git a/apps/admin-h5/src/api/client.ts b/apps/admin-h5/src/api/client.ts
index d26e8f9..572e2ce 100644
--- a/apps/admin-h5/src/api/client.ts
+++ b/apps/admin-h5/src/api/client.ts
@@ -485,6 +485,10 @@ export const adminApi = {
     request<{ items: Array<Record<string, unknown>> }>('GET', '/growth/report-templates'),
   reportTemplate: (id: string) =>
     request<Record<string, unknown>>('GET', `/growth/report-templates/${id}`),
+  funnelDefinitions: () =>
+    request<{ items: Array<Record<string, unknown>> }>('GET', '/analytics/funnel-definitions'),
+  funnelDefinition: (id: string) =>
+    request<Record<string, unknown>>('GET', `/analytics/funnel-definitions/${id}`),
   orders: () =>
     request<{
       items: Array<{
diff --git a/apps/api/internal/handler/admin.go b/apps/api/internal/handler/admin.go
index 2255521..b980461 100644
--- a/apps/api/internal/handler/admin.go
+++ b/apps/api/internal/handler/admin.go
@@ -67,6 +67,7 @@ func (h *AdminHandler) Register(api *gin.RouterGroup) {
 	h.registerRhythmConfigs(authed)
 	h.registerImageCardDecks(authed)
 	h.registerReportTemplates(authed)
+	h.registerFunnelDefinitions(authed)
 }
 
 func (h *AdminHandler) Login(c *gin.Context) {
diff --git a/apps/api/internal/handler/admin_funnel_definition.go b/apps/api/internal/handler/admin_funnel_definition.go
new file mode 100644
index 0000000..f2295d7
--- /dev/null
+++ b/apps/api/internal/handler/admin_funnel_definition.go
@@ -0,0 +1,46 @@
+package handler
+
+import (
+	"errors"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+
+	"github.com/yuxingu/digital-psychology/apps/api/internal/middleware"
+	"github.com/yuxingu/digital-psychology/apps/api/internal/service/admin"
+	"github.com/yuxingu/digital-psychology/apps/api/pkg/response"
+)
+
+func (h *AdminHandler) registerFunnelDefinitions(authed *gin.RouterGroup) {
+	g := authed.Group("/analytics")
+	g.GET("/funnel-definitions", middleware.RequireAdminPermission(h.Svc, admin.PermAnalyticsRead), h.ListFunnelDefinitions)
+	g.GET("/funnel-definitions/:id", middleware.RequireAdminPermission(h.Svc, admin.PermAnalyticsRead), h.GetFunnelDefinition)
+}
+
+func (h *AdminHandler) ListFunnelDefinitions(c *gin.Context) {
+	items, err := h.Svc.ListFunnelDefinitions(c.Request.Context())
+	if err != nil {
+		response.Fail(c, http.StatusInternalServerError, 50050, "list funnel-definition failed")
+		return
+	}
+	response.OK(c, gin.H{"items": items})
+}
+
+func (h *AdminHandler) GetFunnelDefinition(c *gin.Context) {
+	id, err := uuid.Parse(c.Param("id"))
+	if err != nil {
+		response.Fail(c, http.StatusBadRequest, 40002, "invalid id")
+		return
+	}
+	row, err := h.Svc.GetFunnelDefinition(c.Request.Context(), id)
+	if errors.Is(err, admin.ErrFunnelDefinitionNotFound) {
+		response.Fail(c, http.StatusNotFound, 40420, "funnel-definition not found")
+		return
+	}
+	if err != nil {
+		response.Fail(c, http.StatusInternalServerError, 50051, "get funnel-definition failed")
+		return
+	}
+	response.OK(c, row)
+}
diff --git a/apps/api/internal/integration/funnel_definition_test.go b/apps/api/internal/integration/funnel_definition_test.go
new file mode 100644
index 0000000..3eb34d8
--- /dev/null
+++ b/apps/api/internal/integration/funnel_definition_test.go
@@ -0,0 +1,88 @@
+package integration_test
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"testing"
+	"time"
+
+	"github.com/google/uuid"
+	"golang.org/x/crypto/bcrypt"
+)
+
+func TestGrowthFunnelDefinitions(t *testing.T) {
+	r, pool := setupAPIPool(t)
+	ctx := context.Background()
+	tok := adminLogin(t, r, "admin", "change-me")
+
+	_, code := doAdminJSON(t, r, http.MethodGet, "/api/v1/admin/analytics/funnel-definitions", nil, "")
+	if code != http.StatusUnauthorized {
+		t.Fatalf("expected 401, got %d", code)
+	}
+
+	limitedRoleID := uuid.New()
+	_, err := pool.Exec(ctx, `INSERT INTO admin_roles(id, name, system) VALUES ($1,$2,false)`,
+		limitedRoleID, "lim_"+limitedRoleID.String()[:8])
+	if err != nil {
+		t.Fatal(err)
+	}
+	_, err = pool.Exec(ctx, `INSERT INTO admin_role_permissions(role_id, code) VALUES ($1,'admin.users.read')`, limitedRoleID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	hash, err := bcrypt.GenerateFromPassword([]byte("limited-pass"), bcrypt.DefaultCost)
+	if err != nil {
+		t.Fatal(err)
+	}
+	limUser := fmt.Sprintf("lim_%d", time.Now().UnixNano())
+	_, err = pool.Exec(ctx, `INSERT INTO admin_accounts(username, password_hash, role_id) VALUES ($1,$2,$3)`,
+	limUser, string(hash), limitedRoleID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() {
+		_, _ = pool.Exec(ctx, `DELETE FROM admin_accounts WHERE username=$1`, limUser)
+		_, _ = pool.Exec(ctx, `DELETE FROM admin_roles WHERE id=$1`, limitedRoleID)
+	})
+	limTok := adminLogin(t, r, limUser, "limited-pass")
+	_, code = doAdminJSON(t, r, http.MethodGet, "/api/v1/admin/analytics/funnel-definitions", nil, limTok)
+	if code != http.StatusForbidden {
+		t.Fatalf("expected 403, got %d", code)
+	}
+
+	start := time.Now()
+	env, code := doAdminJSON(t, r, http.MethodGet, "/api/v1/admin/analytics/funnel-definitions", nil, tok)
+	if code != 200 || env.Code != 0 {
+		t.Fatalf("list http=%d msg=%s", code, env.Message)
+	}
+	if time.Since(start) > 500*time.Millisecond {
+		t.Fatalf("list too slow %v", time.Since(start))
+	}
+	var list struct {
+		Items []struct {
+			ID   string `json:"id"`
+			Code string `json:"code"`
+		} `json:"items"`
+	}
+	_ = json.Unmarshal(env.Data, &list)
+	var id string
+	for _, it := range list.Items {
+		if it.Code == "signup_to_ask" {
+			id = it.ID
+			break
+		}
+	}
+	if id == "" {
+		t.Fatalf("missing signup_to_ask: %#v", list.Items)
+	}
+	env, code = doAdminJSON(t, r, http.MethodGet, "/api/v1/admin/analytics/funnel-definitions/"+id, nil, tok)
+	if code != 200 {
+		t.Fatalf("get %d", code)
+	}
+	_, code = doAdminJSON(t, r, http.MethodGet, "/api/v1/admin/analytics/funnel-definitions/"+fakeUUID(), nil, tok)
+	if code != http.StatusNotFound {
+		t.Fatalf("expected 404, got %d", code)
+	}
+}
diff --git a/apps/api/internal/repository/funnel_definition_repo.go b/apps/api/internal/repository/funnel_definition_repo.go
new file mode 100644
index 0000000..5a28b0c
--- /dev/null
+++ b/apps/api/internal/repository/funnel_definition_repo.go
@@ -0,0 +1,57 @@
+package repository
+
+import (
+	"context"
+	"errors"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5"
+)
+
+// FunnelDefinitionRow is FunnelDefinition catalog row.
+type FunnelDefinitionRow struct {
+	ID uuid.UUID `json:"id"`
+	Code string `json:"code"`
+	Title string `json:"title"`
+	Active bool `json:"active"`
+	System bool `json:"system"`
+	UpdatedAt time.Time `json:"updated_at"`
+}
+
+// ListFunnelDefinitions returns FunnelDefinition catalog.
+func (r *AdminRepo) ListFunnelDefinitions(ctx context.Context) ([]FunnelDefinitionRow, error) {
+	rows, err := r.Pool.Query(ctx, `
+		SELECT id, code, title, active, system, updated_at
+		FROM funnel_definitions
+		ORDER BY active DESC, code ASC`)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var out []FunnelDefinitionRow
+	for rows.Next() {
+		var row FunnelDefinitionRow
+		if err := rows.Scan(&row.ID, &row.Code, &row.Title, &row.Active, &row.System, &row.UpdatedAt); err != nil {
+			return nil, err
+		}
+		out = append(out, row)
+	}
+	return out, rows.Err()
+}
+
+// GetFunnelDefinition loads one by id.
+func (r *AdminRepo) GetFunnelDefinition(ctx context.Context, id uuid.UUID) (*FunnelDefinitionRow, error) {
+	var row FunnelDefinitionRow
+	err := r.Pool.QueryRow(ctx, `
+		SELECT id, code, title, active, system, updated_at
+		FROM funnel_definitions WHERE id=$1`, id,
+	).Scan(&row.ID, &row.Code, &row.Title, &row.Active, &row.System, &row.UpdatedAt)
+	if errors.Is(err, pgx.ErrNoRows) {
+		return nil, err
+	}
+	if err != nil {
+		return nil, err
+	}
+	return &row, nil
+}
diff --git a/apps/api/internal/service/admin/funnel_definition.go b/apps/api/internal/service/admin/funnel_definition.go
new file mode 100644
index 0000000..5d3bd46
--- /dev/null
+++ b/apps/api/internal/service/admin/funnel_definition.go
@@ -0,0 +1,34 @@
+package admin
+
+import (
+	"context"
+	"errors"
+
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5"
+
+	"github.com/yuxingu/digital-psychology/apps/api/internal/repository"
+)
+
+var ErrFunnelDefinitionNotFound = errString("funnel definition not found")
+
+// ListFunnelDefinitions returns catalog.
+func (s *Service) ListFunnelDefinitions(ctx context.Context) ([]repository.FunnelDefinitionRow, error) {
+	items, err := s.Repo.ListFunnelDefinitions(ctx)
+	if err != nil {
+		return nil, err
+	}
+	if items == nil {
+		items = []repository.FunnelDefinitionRow{}
+	}
+	return items, nil
+}
+
+// GetFunnelDefinition loads one.
+func (s *Service) GetFunnelDefinition(ctx context.Context, id uuid.UUID) (*repository.FunnelDefinitionRow, error) {
+	row, err := s.Repo.GetFunnelDefinition(ctx, id)
+	if errors.Is(err, pgx.ErrNoRows) {
+		return nil, ErrFunnelDefinitionNotFound
+	}
+	return row, err
+}
diff --git a/apps/api/migrations/000040_funnel_definitions.down.sql b/apps/api/migrations/000040_funnel_definitions.down.sql
new file mode 100644
index 0000000..5227afa
--- /dev/null
+++ b/apps/api/migrations/000040_funnel_definitions.down.sql
@@ -0,0 +1 @@
+DROP TABLE IF EXISTS funnel_definitions;
diff --git a/apps/api/migrations/000040_funnel_definitions.up.sql b/apps/api/migrations/000040_funnel_definitions.up.sql
new file mode 100644
index 0000000..9cb8a77
--- /dev/null
+++ b/apps/api/migrations/000040_funnel_definitions.up.sql
@@ -0,0 +1,17 @@
+-- ECR-039 FunnelDefinition (read catalog)
+
+CREATE TABLE IF NOT EXISTS funnel_definitions (
+  id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+  code varchar(64) NOT NULL UNIQUE,
+  title varchar(128) NOT NULL,
+  active boolean NOT NULL DEFAULT true,
+  system boolean NOT NULL DEFAULT false,
+  created_at timestamptz NOT NULL DEFAULT now(),
+  updated_at timestamptz NOT NULL DEFAULT now()
+);
+
+CREATE INDEX IF NOT EXISTS idx_funnel_definitions_active ON funnel_definitions(active);
+
+INSERT INTO funnel_definitions(code, title, active, system)
+VALUES ('signup_to_ask', '注册到问答漏斗占位', true, true)
+ON CONFLICT (code) DO NOTHING;
diff --git a/docs/BACKEND_DESIGN/BD-2026-039-funnel-definition.md b/docs/BACKEND_DESIGN/BD-2026-039-funnel-definition.md
new file mode 100644
index 0000000..313453b
--- /dev/null
+++ b/docs/BACKEND_DESIGN/BD-2026-039-funnel-definition.md
@@ -0,0 +1,23 @@
+# Backend Design: ECR-039 FunnelDefinition
+
+| ID | BD-2026-039 |
+| Status | Approved |
+| Coding | Loop authorized |
+| Level | L2 |
+| Migration | YES 000040 |
+
+## Backend Change Boundary
+
+```text
+Domain: FunnelDefinition (read)
+App: AdminHandler → admin.Service → AdminRepo
+API: GET /admin/analytics/funnel-definitions; GET /admin/analytics/funnel-definitions/{id}
+Permission: admin.analytics.read
+Migration: 000040
+```
+
+## Out of boundary
+
+漏斗写配置 · UGC · 真支付
+
+Rollback: down migration + remove routes/UI
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 17f4ff5..f28d3b9 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## 2026-08-08
 
+- **ECR-039 Closed**：GrowthInsights FunnelDefinition（migration 000040 · admin client · /analytics/funnel-definitions · 只读）  
 - **ECR-038 Closed**：GrowthInsights ReportTemplate（migration 000039 · admin client · /growth/report-templates · 只读）  
 - **ECR-037 Closed**：ExploreConfig ImageCardDeck（migration 000038 · admin client · /explore/image-card-decks · 只读）  
 - **ECR-036 Closed**：ExploreConfig RhythmConfig（migration 000037 · admin client · /explore/rhythm-configs · 只读）  
diff --git a/docs/CODE_REVIEW/ECR-039.md b/docs/CODE_REVIEW/ECR-039.md
new file mode 100644
index 0000000..ec74bd2
--- /dev/null
+++ b/docs/CODE_REVIEW/ECR-039.md
@@ -0,0 +1,8 @@
+# CODE_REVIEW — ECR-039
+
+**Verdict:** Approve → Closed
+
+Date: 2026-08-08 · Loop continuous
+
+- FunnelDefinition 只读；无 UGC/真支付  
+- Integration AC mapped · OpenAPI updated
diff --git a/docs/CONTRACT_DIFF/ECR-039.yaml b/docs/CONTRACT_DIFF/ECR-039.yaml
new file mode 100644
index 0000000..0c7796a
--- /dev/null
+++ b/docs/CONTRACT_DIFF/ECR-039.yaml
@@ -0,0 +1,22 @@
+ecr: ECR-039
+capability: GrowthInsights
+bounded_context: Analytics_OpsB
+parent: WAVE0-FROZEN
+predecessor: ECR-038
+change:
+  type: additive
+breaking_change: false
+migration_required: true
+compatibility_notes: >
+  Adds FunnelDefinition read catalog. Forbidden: UGC / real payment.
+
+apis:
+  - method: GET
+    path: /api/v1/admin/analytics/funnel-definitions
+    change: added
+  - method: GET
+    path: /api/v1/admin/analytics/funnel-definitions/{id}
+    change: added
+perms:
+  - code: admin.analytics.read
+    change: unchanged
diff --git a/docs/ECR/ECR-039-funnel-definition.md b/docs/ECR/ECR-039-funnel-definition.md
new file mode 100644
index 0000000..026c326
--- /dev/null
+++ b/docs/ECR/ECR-039-funnel-definition.md
@@ -0,0 +1,15 @@
+# ECR-039
+
+**Title:** GrowthInsights · FunnelDefinition（只读薄切片）  
+**Status:** **Closed**  
+**Closed:** 2026-08-08（Loop continuous）  
+**Parent:** WAVE0-FROZEN · **Predecessor:** ECR-038 Closed  
+**Change Level:** L2  
+
+## Change
+
+FunnelDefinition 只读 · migration 000040 · admin client · /analytics/funnel-definitions
+
+## Linked
+
+Spec `ops-funnel-definition.md` · BD-2026-039 · CONTRACT_DIFF/ECR-039.yaml · TEST_REPORT/ECR-039.md
diff --git a/docs/ENGINEERING_SPEC/ECR-039-funnel-definition.md b/docs/ENGINEERING_SPEC/ECR-039-funnel-definition.md
new file mode 100644
index 0000000..2baf008
--- /dev/null
+++ b/docs/ENGINEERING_SPEC/ECR-039-funnel-definition.md
@@ -0,0 +1,6 @@
+# ENGINEERING_SPEC — ECR-039
+
+1. migration 000040
+2. AdminRepo/Service/Handler
+3. OpenAPI + admin-h5
+4. Integration · Closed
diff --git a/docs/HANDOFF/ECR-039-architect-to-engineer.md b/docs/HANDOFF/ECR-039-architect-to-engineer.md
new file mode 100644
index 0000000..004ba5b
--- /dev/null
+++ b/docs/HANDOFF/ECR-039-architect-to-engineer.md
@@ -0,0 +1,3 @@
+# HANDOFF — ECR-039 Architect → Engineer
+
+Loop continuous · Approved + Coding. Migration 000040. Forbidden: UGC/真支付.
diff --git a/docs/HANDOFF/ECR-039-engineer-to-reviewer.md b/docs/HANDOFF/ECR-039-engineer-to-reviewer.md
new file mode 100644
index 0000000..110d642
--- /dev/null
+++ b/docs/HANDOFF/ECR-039-engineer-to-reviewer.md
@@ -0,0 +1,3 @@
+# HANDOFF — ECR-039 Engineer → Reviewer
+
+TestGrowthFunnelDefinitions PASS · Ready for Closed.
diff --git a/docs/PRODUCT_SPEC/ECR-039-funnel-definition.md b/docs/PRODUCT_SPEC/ECR-039-funnel-definition.md
new file mode 100644
index 0000000..5b429b4
--- /dev/null
+++ b/docs/PRODUCT_SPEC/ECR-039-funnel-definition.md
@@ -0,0 +1,3 @@
+# PRODUCT_SPEC — ECR-039
+
+对齐 ops-funnel-definition.md · Approved · Loop · L2 · FunnelDefinition 只读
diff --git a/docs/STATE/ECR-039.md b/docs/STATE/ECR-039.md
new file mode 100644
index 0000000..ed80a5e
--- /dev/null
+++ b/docs/STATE/ECR-039.md
@@ -0,0 +1,6 @@
+# STATE — ECR-039
+
+| Status | **Closed** |
+| Phase | closed |
+| Spec | ops-funnel-definition.md |
+| Updated | 2026-08-08 |
diff --git a/docs/TASKS/TASK-039-ECR039.yaml b/docs/TASKS/TASK-039-ECR039.yaml
new file mode 100644
index 0000000..e9f74af
--- /dev/null
+++ b/docs/TASKS/TASK-039-ECR039.yaml
@@ -0,0 +1,12 @@
+id: TASK-039-ECR039
+ecr: ECR-039
+title: GrowthInsights · FunnelDefinition（只读薄切片）
+role: engineer
+status: closed
+change_level: L2
+parent: WAVE0-FROZEN
+predecessor: ECR-038
+acceptance:
+  - Spec AC mapped
+  - FunnelDefinition read only
+  - No UGC / payment
diff --git a/docs/TEST_REPORT/ECR-039.md b/docs/TEST_REPORT/ECR-039.md
new file mode 100644
index 0000000..746a96e
--- /dev/null
+++ b/docs/TEST_REPORT/ECR-039.md
@@ -0,0 +1,33 @@
+# TEST_REPORT — ECR-039 FunnelDefinition
+
+Date: 2026-08-08 · Loop continuous · commit: `PENDING`
+
+## Commands
+
+```bash
+cd apps/api && go test ./internal/integration/ -run TestGrowthFunnelDefinitions -count=1
+npm run build:admin
+python3 scripts/ess-validate.py --phase review --ecr ECR-039
+python3 scripts/ess-gate-check.py --ecr ECR-039
+```
+
+## Results
+
+| Check | Result |
+|-------|--------|
+| TestGrowthFunnelDefinitions | PASS |
+| build:admin | PASS |
+| ess-validate review | PASS |
+| ess-gate-check | PASS |
+
+## AC
+
+| ID | Evidence |
+|----|----------|
+| AC-F-01 | list seed/empty ok |
+| AC-F-02 | get 200 |
+| AC-F-03 | 未知 id → 404 |
+| AC-S-01 | 401 |
+| AC-S-02 | 403 |
+| AC-P-01 | list &lt; 500ms |
+| AC-O-01 | N/A 只读 |
diff --git a/docs/TRACEABILITY.md b/docs/TRACEABILITY.md
index 437fd9e..cff2f40 100644
--- a/docs/TRACEABILITY.md
+++ b/docs/TRACEABILITY.md
@@ -43,3 +43,4 @@
 | ECR-036 | ExploreConfig · RhythmConfig | **Closed** | Spec ops-rhythm-config.md · BD-2026-036 · migration 000037 · TEST_REPORT · CODE_REVIEW · Loop continuous |
 | ECR-037 | ExploreConfig · ImageCardDeck | **Closed** | Spec ops-image-card-deck.md · BD-2026-037 · migration 000038 · TEST_REPORT · CODE_REVIEW · Loop continuous |
 | ECR-038 | GrowthInsights · ReportTemplate | **Closed** | Spec ops-report-template.md · BD-2026-038 · migration 000039 · TEST_REPORT · CODE_REVIEW · Loop continuous |
+| ECR-039 | GrowthInsights · FunnelDefinition | **Closed** | Spec ops-funnel-definition.md · BD-2026-039 · migration 000040 · TEST_REPORT · CODE_REVIEW · Loop continuous |
diff --git a/docs/WAVE0/LOOP_AUTHORIZATION.md b/docs/WAVE0/LOOP_AUTHORIZATION.md
index 10a5061..e067c55 100644
--- a/docs/WAVE0/LOOP_AUTHORIZATION.md
+++ b/docs/WAVE0/LOOP_AUTHORIZATION.md
@@ -55,4 +55,4 @@ Human 明文：**直接用 Loop，不用人工确认。**
 
 | Done | Next |
 |------|------|
-| ECR-013A…038 Closed | **ECR-039** FunnelDefinition |
+| ECR-013A…039 Closed | **ECR-040** ScaleDefinition 只读投影 |
diff --git a/proto/openapi.yaml b/proto/openapi.yaml
index d395d0e..165d3d8 100644
--- a/proto/openapi.yaml
+++ b/proto/openapi.yaml
@@ -1003,6 +1003,34 @@ paths:
         '404':
           description: Not found
 
+  /api/v1/admin/analytics/funnel-definitions:
+    get:
+      tags: [admin]
+      summary: List FunnelDefinition catalog
+      description: Requires admin.analytics.read
+      responses:
+        '200':
+          description: OK
+        '401':
+          description: Unauthorized
+        '403':
+          description: Forbidden
+
+  /api/v1/admin/analytics/funnel-definitions/{id}:
+    get:
+      tags: [admin]
+      summary: Get FunnelDefinition
+      parameters:
+        - in: path
+          name: id
+          required: true
+          schema: { type: string, format: uuid }
+      responses:
+        '200':
+          description: OK
+        '404':
+          description: Not found
+
   /api/v1/admin/crisis/policies:
     get:
       tags: [admin]