feat(ECR-041): OpsCMS Banner 薄写面（Write-Wave 首刀）

Admin POST/PUT + admin.cms.write/审计；C 端 GET /home/banners；首页投影回退静态 homeFeeds；migration 000051；不碰 FeedSlot/支付/UGC。

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

apps/admin-h5/src/api/client.ts

@@ -452,6 +452,51 @@ export const adminApi = {
       system: boolean
       updated_at: string
     }>('GET', `/cms/banners/${id}`),
+  createBanner: (body: {
+    code: string
+    title: string
+    placement: string
+    image_url?: string | null
+    link_path?: string | null
+    sort_order: number
+    active: boolean
+  }) =>
+    request<{
+      id: string
+      code: string
+      title: string
+      placement: string
+      image_url?: string
+      link_path?: string
+      sort_order: number
+      active: boolean
+      system: boolean
+      updated_at: string
+    }>('POST', '/cms/banners', body),
+  updateBanner: (
+    id: string,
+    body: {
+      code: string
+      title: string
+      placement: string
+      image_url?: string | null
+      link_path?: string | null
+      sort_order: number
+      active: boolean
+    },
+  ) =>
+    request<{
+      id: string
+      code: string
+      title: string
+      placement: string
+      image_url?: string
+      link_path?: string
+      sort_order: number
+      active: boolean
+      system: boolean
+      updated_at: string
+    }>('PUT', `/cms/banners/${id}`, body),
   feedSlots: () =>
     request<{
       items: Array<{

apps/admin-h5/src/pages/CMSPage.vue

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { onMounted, ref } from 'vue'
+import { onMounted, reactive, ref } from 'vue'
 import { adminApi } from '@/api/client'
 
 type Banner = Awaited<ReturnType<typeof adminApi.banners>>['items'][number]
@@ -9,6 +9,16 @@ const loading = ref(false)
 const error = ref('')
 const items = ref<Banner[]>([])
 const selected = ref<Banner | null>(null)
+const saving = ref(false)
+const formErr = ref('')
+const form = reactive({
+  code: '',
+  title: '',
+  placement: 'home',
+  link_path: '',
+  sort_order: 0,
+  active: true,
+})
 
 const slotsLoading = ref(false)
 const slotsError = ref('')
@@ -41,9 +51,28 @@ async function loadSlots() {
   }
 }
 
+function resetForm() {
+  form.code = ''
+  form.title = ''
+  form.placement = 'home'
+  form.link_path = ''
+  form.sort_order = 0
+  form.active = true
+  selected.value = null
+  formErr.value = ''
+}
+
 async function openBanner(id: string) {
+  formErr.value = ''
   try {
-    selected.value = await adminApi.banner(id)
+    const b = await adminApi.banner(id)
+    selected.value = b
+    form.code = b.code
+    form.title = b.title
+    form.placement = b.placement
+    form.link_path = b.link_path || ''
+    form.sort_order = b.sort_order
+    form.active = b.active
   } catch {
     selected.value = null
   }
@@ -57,6 +86,52 @@ async function openSlot(id: string) {
   }
 }
 
+function payload() {
+  return {
+    code: form.code.trim(),
+    title: form.title.trim(),
+    placement: form.placement,
+    link_path: form.link_path.trim() || null,
+    sort_order: Number(form.sort_order) || 0,
+    active: form.active,
+  }
+}
+
+async function createBanner() {
+  saving.value = true
+  formErr.value = ''
+  try {
+    const row = await adminApi.createBanner(payload())
+    await load()
+    await openBanner(row.id)
+  } catch (e) {
+    formErr.value = e instanceof Error ? e.message : '创建失败'
+  } finally {
+    saving.value = false
+  }
+}
+
+async function saveBanner() {
+  if (!selected.value) return
+  saving.value = true
+  formErr.value = ''
+  try {
+    const row = await adminApi.updateBanner(selected.value.id, payload())
+    selected.value = row
+    await load()
+  } catch (e) {
+    formErr.value = e instanceof Error ? e.message : '保存失败'
+  } finally {
+    saving.value = false
+  }
+}
+
+async function toggleActive() {
+  if (!selected.value) return
+  form.active = !form.active
+  await saveBanner()
+}
+
 onMounted(() => {
   void load()
   void loadSlots()
@@ -66,12 +141,13 @@ onMounted(() => {
 <template>
   <section>
     <h1>运营位 CMS</h1>
-    <p class="muted">Banner / FeedSlot 只读 · 非 UGC · 本切片不可发布</p>
+    <p class="muted">Banner 可写 · FeedSlot 只读 · 非 UGC · 下架用停用</p>
     <p v-if="loading" class="muted">加载中…</p>
     <p v-else-if="error" class="err">{{ error }}</p>
     <div v-else class="layout">
       <div class="card">
         <h2>横幅</h2>
+        <button class="btn" type="button" @click="resetForm">新建</button>
         <p v-if="!items.length" class="muted">暂无</p>
         <table v-else>
           <thead>
@@ -83,18 +159,38 @@ onMounted(() => {
               <td>{{ b.title }}</td>
               <td>{{ b.placement }}</td>
               <td>{{ b.active ? '启用' : '停用' }}</td>
-              <td><button class="btn" type="button" @click="openBanner(b.id)">查看</button></td>
+              <td><button class="btn" type="button" @click="openBanner(b.id)">编辑</button></td>
             </tr>
           </tbody>
         </table>
       </div>
       <div class="card">
-        <h2>横幅详情</h2>
-        <template v-if="selected">
-          <p>{{ selected.title }} · {{ selected.placement }}</p>
-          <p class="muted">链接 {{ selected.link_path || '—' }} · 排序 {{ selected.sort_order }}</p>
-        </template>
-        <p v-else class="muted">选择左侧横幅</p>
+        <h2>{{ selected ? '编辑横幅' : '新建横幅' }}</h2>
+        <label>代码 <input v-model="form.code" :disabled="!!selected?.system" /></label>
+        <label>标题 <input v-model="form.title" /></label>
+        <label>
+          位置
+          <select v-model="form.placement">
+            <option value="home">home</option>
+            <option value="explore">explore</option>
+            <option value="ask">ask</option>
+          </select>
+        </label>
+        <label>链接 <input v-model="form.link_path" placeholder="/membership" /></label>
+        <label>排序 <input v-model.number="form.sort_order" type="number" /></label>
+        <label class="check"><input v-model="form.active" type="checkbox" /> 启用</label>
+        <p v-if="formErr" class="err">{{ formErr }}</p>
+        <div class="actions">
+          <button v-if="!selected" class="btn primary" type="button" :disabled="saving" @click="createBanner">
+            创建
+          </button>
+          <template v-else>
+            <button class="btn primary" type="button" :disabled="saving" @click="saveBanner">保存</button>
+            <button class="btn" type="button" :disabled="saving" @click="toggleActive">
+              {{ form.active ? '下架' : '上架' }}
+            </button>
+          </template>
+        </div>
       </div>
     </div>
 
@@ -102,7 +198,7 @@ onMounted(() => {
     <p v-else-if="slotsError" class="err gap">{{ slotsError }}</p>
     <div v-else class="layout gap">
       <div class="card">
-        <h2>栏目位 FeedSlot</h2>
+        <h2>栏目位 FeedSlot（只读）</h2>
         <p v-if="!slots.length" class="muted">暂无</p>
         <table v-else>
           <thead>
@@ -137,5 +233,10 @@ h2 { margin: 0 0 0.6rem; font-size: 1.05rem; }
 .layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 1rem; margin-top: 1rem; }
 .gap { margin-top: 1.5rem; }
 code { font-size: 0.8rem; }
+.card label { display: block; margin: 0.4rem 0; font-size: 0.9rem; }
+.card input, .card select { width: 100%; margin-top: 0.2rem; }
+.check { display: flex; align-items: center; gap: 0.4rem; }
+.actions { display: flex; gap: 0.5rem; margin-top: 0.75rem; }
+.btn.primary { font-weight: 600; }
 @media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }
 </style>

apps/api/internal/handler/admin_cms.go

@@ -16,6 +16,8 @@ func (h *AdminHandler) registerCMS(authed *gin.RouterGroup) {
 	g := authed.Group("/cms")
 	g.GET("/banners", middleware.RequireAdminPermission(h.Svc, admin.PermCMSRead), h.ListBanners)
 	g.GET("/banners/:id", middleware.RequireAdminPermission(h.Svc, admin.PermCMSRead), h.GetBanner)
+	g.POST("/banners", middleware.RequireAdminPermission(h.Svc, admin.PermCMSWrite), h.CreateBanner)
+	g.PUT("/banners/:id", middleware.RequireAdminPermission(h.Svc, admin.PermCMSWrite), h.UpdateBanner)
 	g.GET("/feed-slots", middleware.RequireAdminPermission(h.Svc, admin.PermCMSRead), h.ListFeedSlots)
 	g.GET("/feed-slots/:id", middleware.RequireAdminPermission(h.Svc, admin.PermCMSRead), h.GetFeedSlot)
 }
@@ -47,6 +49,69 @@ func (h *AdminHandler) GetBanner(c *gin.Context) {
 	response.OK(c, row)
 }
 
+func (h *AdminHandler) CreateBanner(c *gin.Context) {
+	adminID, ok := middleware.AdminIDFromContext(c)
+	if !ok {
+		response.Fail(c, http.StatusUnauthorized, 40101, "admin auth required")
+		return
+	}
+	var body admin.BannerWriteBody
+	if err := c.ShouldBindJSON(&body); err != nil {
+		response.Fail(c, http.StatusBadRequest, 40050, "invalid body")
+		return
+	}
+	row, err := h.Svc.CreateBanner(c.Request.Context(), adminID, body)
+	if errors.Is(err, admin.ErrInvalidBanner) {
+		response.Fail(c, http.StatusBadRequest, 40051, "invalid banner")
+		return
+	}
+	if errors.Is(err, admin.ErrBannerConflict) {
+		response.Fail(c, http.StatusConflict, 40910, "banner code conflict")
+		return
+	}
+	if err != nil {
+		response.Fail(c, http.StatusInternalServerError, 50044, "create banner failed")
+		return
+	}
+	response.OK(c, row)
+}
+
+func (h *AdminHandler) UpdateBanner(c *gin.Context) {
+	adminID, ok := middleware.AdminIDFromContext(c)
+	if !ok {
+		response.Fail(c, http.StatusUnauthorized, 40101, "admin auth required")
+		return
+	}
+	id, err := uuid.Parse(c.Param("id"))
+	if err != nil {
+		response.Fail(c, http.StatusBadRequest, 40002, "invalid id")
+		return
+	}
+	var body admin.BannerWriteBody
+	if err := c.ShouldBindJSON(&body); err != nil {
+		response.Fail(c, http.StatusBadRequest, 40050, "invalid body")
+		return
+	}
+	row, err := h.Svc.UpdateBanner(c.Request.Context(), adminID, id, body)
+	if errors.Is(err, admin.ErrBannerNotFound) {
+		response.Fail(c, http.StatusNotFound, 40410, "banner not found")
+		return
+	}
+	if errors.Is(err, admin.ErrInvalidBanner) {
+		response.Fail(c, http.StatusBadRequest, 40051, "invalid banner")
+		return
+	}
+	if errors.Is(err, admin.ErrBannerConflict) {
+		response.Fail(c, http.StatusConflict, 40910, "banner code conflict")
+		return
+	}
+	if err != nil {
+		response.Fail(c, http.StatusInternalServerError, 50045, "update banner failed")
+		return
+	}
+	response.OK(c, row)
+}
+
 func (h *AdminHandler) ListFeedSlots(c *gin.Context) {
 	items, err := h.Svc.ListFeedSlots(c.Request.Context())
 	if err != nil {

apps/api/internal/handler/home.go

@@ -20,6 +20,7 @@ type HomeHandler struct {
 func (h *HomeHandler) Register(api *gin.RouterGroup) {
 	g := api.Group("/home")
 	g.GET("/tools", h.Tools)
+	g.GET("/banners", h.Banners)
 	g.GET("/daily-tips", h.DailyTips)
 }
 
@@ -35,6 +36,16 @@ func (h *HomeHandler) Tools(c *gin.Context) {
 	response.OK(c, gin.H{"items": items})
 }
 
+func (h *HomeHandler) Banners(c *gin.Context) {
+	placement := c.DefaultQuery("placement", "home")
+	items, err := h.Svc.ListPublicBanners(c.Request.Context(), placement)
+	if err != nil {
+		response.Fail(c, http.StatusInternalServerError, 50046, "home banners failed")
+		return
+	}
+	response.OK(c, gin.H{"items": items})
+}
+
 func (h *HomeHandler) DailyTips(c *gin.Context) {
 	uid, _ := middleware.UserIDFromContext(c)
 	tips, err := h.Svc.DailyTips(c.Request.Context(), uid)

apps/api/internal/httpserver/router.go

@@ -66,6 +66,7 @@ func NewRouter(pool *pgxpool.Pool, cfg config.Config) *gin.Engine {
 		Repo:     &repository.HomeToolsRepo{Pool: pool},
 		Tips:     &repository.HomeDailyTipsRepo{Pool: pool},
 		Profiles: profileRepo,
+		CMS:      adminRepo,
 		LLM:      llm,
 	}
 	analyticsSvc := &analyticssvc.Service{Repo: analyticsRepo}

apps/api/internal/integration/cms_banner_write_test.go

@@ -0,0 +1,137 @@
+package integration_test
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"testing"
+	"time"
+
+	"github.com/google/uuid"
+	"golang.org/x/crypto/bcrypt"
+)
+
+func TestOpsCMSBannerWrite(t *testing.T) {
+	r, pool := setupAPIPool(t)
+	ctx := context.Background()
+	tok := adminLogin(t, r, "admin", "change-me")
+	devKey := fmt.Sprintf("banner-write-%d", time.Now().UnixNano())
+
+	code := fmt.Sprintf("home_w_%d", time.Now().UnixNano()%1_000_000)
+	body := map[string]any{
+		"code": code, "title": "写面横幅", "placement": "home",
+		"link_path": "/membership", "sort_order": 3, "active": true,
+	}
+	env, httpCode := doAdminJSON(t, r, http.MethodPost, "/api/v1/admin/cms/banners", body, tok)
+	if httpCode != 200 || env.Code != 0 {
+		t.Fatalf("create http=%d code=%d msg=%s", httpCode, env.Code, env.Message)
+	}
+	var created struct {
+		ID   string `json:"id"`
+		Code string `json:"code"`
+	}
+	_ = json.Unmarshal(env.Data, &created)
+	if created.ID == "" || created.Code != code {
+		t.Fatalf("bad create %#v", created)
+	}
+	t.Cleanup(func() {
+		_, _ = pool.Exec(ctx, `DELETE FROM ops_banners WHERE id=$1`, created.ID)
+	})
+
+	_, httpCode = doAdminJSON(t, r, http.MethodPost, "/api/v1/admin/cms/banners", body, tok)
+	if httpCode != http.StatusConflict {
+		t.Fatalf("dup expected 409 got %d", httpCode)
+	}
+
+	_, httpCode = doAdminJSON(t, r, http.MethodPost, "/api/v1/admin/cms/banners", map[string]any{
+		"code": code + "_x", "title": "外链", "placement": "home",
+		"link_path": "https://evil.example", "active": true,
+	}, tok)
+	if httpCode != http.StatusBadRequest {
+		t.Fatalf("ext link expected 400 got %d", httpCode)
+	}
+
+	env, _, httpCode = doJSONExpect(t, r, http.MethodGet, "/api/v1/home/banners?placement=home", nil, devKey, 0)
+	if httpCode != 200 {
+		t.Fatalf("home banners http=%d", httpCode)
+	}
+	var pub struct {
+		Items []struct {
+			Code string `json:"code"`
+		} `json:"items"`
+	}
+	_ = json.Unmarshal(env.Data, &pub)
+	found := false
+	for _, it := range pub.Items {
+		if it.Code == code {
+			found = true
+			break
+		}
+	}
+	if !found {
+		t.Fatalf("active banner missing in C-end: %#v", pub.Items)
+	}
+
+	body["active"] = false
+	body["title"] = "已下架"
+	env, httpCode = doAdminJSON(t, r, http.MethodPut, "/api/v1/admin/cms/banners/"+created.ID, body, tok)
+	if httpCode != 200 || env.Code != 0 {
+		t.Fatalf("update %d %s", httpCode, env.Message)
+	}
+
+	env, _, httpCode = doJSONExpect(t, r, http.MethodGet, "/api/v1/home/banners?placement=home", nil, devKey, 0)
+	if httpCode != 200 {
+		t.Fatalf("home after deactivate %d", httpCode)
+	}
+	_ = json.Unmarshal(env.Data, &pub)
+	for _, it := range pub.Items {
+		if it.Code == code {
+			t.Fatalf("inactive still listed")
+		}
+	}
+
+	var n int
+	err := pool.QueryRow(ctx, `
+		SELECT COUNT(*) FROM admin_audit_logs
+		WHERE action IN ('cms.banner.create','cms.banner.update') AND target_id=$1`,
+		created.ID).Scan(&n)
+	if err != nil || n < 2 {
+		t.Fatalf("expected ≥2 audit rows, got %d err=%v", n, err)
+	}
+
+	limitedRoleID := uuid.New()
+	_, err = pool.Exec(ctx, `
+		INSERT INTO admin_roles(id, name, system) VALUES ($1,$2,false)`,
+		limitedRoleID, "cms_ro_"+limitedRoleID.String()[:8])
+	if err != nil {
+		t.Fatal(err)
+	}
+	_, err = pool.Exec(ctx, `
+		INSERT INTO admin_role_permissions(role_id, code) VALUES ($1,'admin.cms.read')`, limitedRoleID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	hash, err := bcrypt.GenerateFromPassword([]byte("ro-pass"), bcrypt.DefaultCost)
+	if err != nil {
+		t.Fatal(err)
+	}
+	roUser := fmt.Sprintf("cmsro_%d", time.Now().UnixNano())
+	_, err = pool.Exec(ctx, `
+		INSERT INTO admin_accounts(username, password_hash, role_id) VALUES ($1,$2,$3)`,
+		roUser, string(hash), limitedRoleID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() {
+		_, _ = pool.Exec(ctx, `DELETE FROM admin_accounts WHERE username=$1`, roUser)
+		_, _ = pool.Exec(ctx, `DELETE FROM admin_roles WHERE id=$1`, limitedRoleID)
+	})
+	roTok := adminLogin(t, r, roUser, "ro-pass")
+	_, httpCode = doAdminJSON(t, r, http.MethodPost, "/api/v1/admin/cms/banners", map[string]any{
+		"code": "x_ro", "title": "no", "placement": "home", "active": true,
+	}, roTok)
+	if httpCode != http.StatusForbidden {
+		t.Fatalf("read-only write expected 403 got %d", httpCode)
+	}
+}

apps/api/internal/repository/cms_banner_write.go

@@ -0,0 +1,162 @@
+package repository
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"strings"
+
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgconn"
+)
+
+// BannerWriteInput is create/update payload for ops_banners.
+type BannerWriteInput struct {
+	Code      string
+	Title     string
+	Placement string
+	ImageURL  *string
+	LinkPath  *string
+	SortOrder int
+	Active    bool
+}
+
+// ListActiveBanners returns active banners for a placement (C-end).
+func (r *AdminRepo) ListActiveBanners(ctx context.Context, placement string) ([]BannerRow, error) {
+	rows, err := r.Pool.Query(ctx, `
+		SELECT id, code, title, placement, image_url, link_path, sort_order, active, system, updated_at
+		FROM ops_banners
+		WHERE active = true AND placement = $1
+		ORDER BY sort_order ASC, code ASC
+		LIMIT 100`, placement)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var out []BannerRow
+	for rows.Next() {
+		var b BannerRow
+		if err := rows.Scan(
+			&b.ID, &b.Code, &b.Title, &b.Placement, &b.ImageURL, &b.LinkPath,
+			&b.SortOrder, &b.Active, &b.System, &b.UpdatedAt,
+		); err != nil {
+			return nil, err
+		}
+		out = append(out, b)
+	}
+	return out, rows.Err()
+}
+
+// CreateBannerWithAudit inserts a banner and audits.
+func (r *AdminRepo) CreateBannerWithAudit(
+	ctx context.Context,
+	adminID uuid.UUID,
+	in BannerWriteInput,
+	meta json.RawMessage,
+) (*BannerRow, error) {
+	tx, err := r.Pool.Begin(ctx)
+	if err != nil {
+		return nil, err
+	}
+	defer tx.Rollback(ctx)
+
+	var b BannerRow
+	err = tx.QueryRow(ctx, `
+		INSERT INTO ops_banners(code, title, placement, image_url, link_path, sort_order, active, system)
+		VALUES ($1,$2,$3,$4,$5,$6,$7,false)
+		RETURNING id, code, title, placement, image_url, link_path, sort_order, active, system, updated_at`,
+		in.Code, in.Title, in.Placement, in.ImageURL, in.LinkPath, in.SortOrder, in.Active,
+	).Scan(
+		&b.ID, &b.Code, &b.Title, &b.Placement, &b.ImageURL, &b.LinkPath,
+		&b.SortOrder, &b.Active, &b.System, &b.UpdatedAt,
+	)
+	if err != nil {
+		return nil, mapBannerWriteErr(err)
+	}
+	if meta == nil {
+		meta = json.RawMessage(`{}`)
+	}
+	if _, err := tx.Exec(ctx, `
+		INSERT INTO admin_audit_logs(admin_id, action, target_type, target_id, meta)
+		VALUES ($1,'cms.banner.create','banner',$2,$3)`,
+		adminID, b.ID.String(), meta,
+	); err != nil {
+		return nil, err
+	}
+	if err := tx.Commit(ctx); err != nil {
+		return nil, err
+	}
+	return &b, nil
+}
+
+// UpdateBannerWithAudit updates mutable fields and audits.
+func (r *AdminRepo) UpdateBannerWithAudit(
+	ctx context.Context,
+	adminID, id uuid.UUID,
+	in BannerWriteInput,
+	meta json.RawMessage,
+) (*BannerRow, error) {
+	tx, err := r.Pool.Begin(ctx)
+	if err != nil {
+		return nil, err
+	}
+	defer tx.Rollback(ctx)
+
+	var system bool
+	var oldCode string
+	err = tx.QueryRow(ctx, `SELECT system, code FROM ops_banners WHERE id=$1`, id).Scan(&system, &oldCode)
+	if errors.Is(err, pgx.ErrNoRows) {
+		return nil, pgx.ErrNoRows
+	}
+	if err != nil {
+		return nil, err
+	}
+	code := in.Code
+	if system {
+		code = oldCode
+	}
+
+	var b BannerRow
+	err = tx.QueryRow(ctx, `
+		UPDATE ops_banners
+		SET code=$2, title=$3, placement=$4, image_url=$5, link_path=$6,
+		    sort_order=$7, active=$8, updated_at=now()
+		WHERE id=$1
+		RETURNING id, code, title, placement, image_url, link_path, sort_order, active, system, updated_at`,
+		id, code, in.Title, in.Placement, in.ImageURL, in.LinkPath, in.SortOrder, in.Active,
+	).Scan(
+		&b.ID, &b.Code, &b.Title, &b.Placement, &b.ImageURL, &b.LinkPath,
+		&b.SortOrder, &b.Active, &b.System, &b.UpdatedAt,
+	)
+	if err != nil {
+		return nil, mapBannerWriteErr(err)
+	}
+	if meta == nil {
+		meta = json.RawMessage(`{}`)
+	}
+	if _, err := tx.Exec(ctx, `
+		INSERT INTO admin_audit_logs(admin_id, action, target_type, target_id, meta)
+		VALUES ($1,'cms.banner.update','banner',$2,$3)`,
+		adminID, id.String(), meta,
+	); err != nil {
+		return nil, err
+	}
+	if err := tx.Commit(ctx); err != nil {
+		return nil, err
+	}
+	return &b, nil
+}
+
+func mapBannerWriteErr(err error) error {
+	var pgErr *pgconn.PgError
+	if errors.As(err, &pgErr) && pgErr.Code == "23505" {
+		return errString("banner code conflict")
+	}
+	return err
+}
+
+// BannerCodeConflict reports unique code violation.
+func BannerCodeConflict(err error) bool {
+	return err != nil && strings.Contains(err.Error(), "banner code conflict")
+}

apps/api/internal/service/admin/cms_write.go

@@ -0,0 +1,110 @@
+package admin
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"regexp"
+	"strings"
+	"unicode/utf8"
+
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5"
+
+	"github.com/yuxingu/digital-psychology/apps/api/internal/repository"
+)
+
+var (
+	ErrInvalidBanner   = errors.New("invalid banner")
+	ErrBannerConflict  = errors.New("banner code conflict")
+	bannerPathRe       = regexp.MustCompile(`^/[a-zA-Z0-9_./-]{1,200}$`)
+	bannerPlacements   = map[string]struct{}{"home": {}, "explore": {}, "ask": {}}
+	bannerCodeRe       = regexp.MustCompile(`^[a-z][a-z0-9_]{1,62}$`)
+)
+
+// BannerWriteBody is JSON for create/update.
+type BannerWriteBody struct {
+	Code      string  `json:"code"`
+	Title     string  `json:"title"`
+	Placement string  `json:"placement"`
+	ImageURL  *string `json:"image_url"`
+	LinkPath  *string `json:"link_path"`
+	SortOrder int     `json:"sort_order"`
+	Active    bool    `json:"active"`
+}
+
+// CreateBanner validates, inserts, audits.
+func (s *Service) CreateBanner(ctx context.Context, adminID uuid.UUID, body BannerWriteBody) (*repository.BannerRow, error) {
+	in, err := normalizeBannerWrite(body, true)
+	if err != nil {
+		return nil, err
+	}
+	meta, _ := json.Marshal(map[string]any{"code": in.Code, "active": in.Active})
+	row, err := s.Repo.CreateBannerWithAudit(ctx, adminID, in, meta)
+	if repository.BannerCodeConflict(err) {
+		return nil, ErrBannerConflict
+	}
+	return row, err
+}
+
+// UpdateBanner validates, updates, audits.
+func (s *Service) UpdateBanner(ctx context.Context, adminID, id uuid.UUID, body BannerWriteBody) (*repository.BannerRow, error) {
+	in, err := normalizeBannerWrite(body, true)
+	if err != nil {
+		return nil, err
+	}
+	meta, _ := json.Marshal(map[string]any{"code": in.Code, "active": in.Active})
+	row, err := s.Repo.UpdateBannerWithAudit(ctx, adminID, id, in, meta)
+	if errors.Is(err, pgx.ErrNoRows) {
+		return nil, ErrBannerNotFound
+	}
+	if repository.BannerCodeConflict(err) {
+		return nil, ErrBannerConflict
+	}
+	return row, err
+}
+
+func normalizeBannerWrite(body BannerWriteBody, requireCode bool) (repository.BannerWriteInput, error) {
+	code := strings.TrimSpace(body.Code)
+	title := strings.TrimSpace(body.Title)
+	placement := strings.TrimSpace(body.Placement)
+	if requireCode && code == "" {
+		return repository.BannerWriteInput{}, ErrInvalidBanner
+	}
+	if code != "" && !bannerCodeRe.MatchString(code) {
+		return repository.BannerWriteInput{}, ErrInvalidBanner
+	}
+	if title == "" || utf8.RuneCountInString(title) > 128 {
+		return repository.BannerWriteInput{}, ErrInvalidBanner
+	}
+	if _, ok := bannerPlacements[placement]; !ok {
+		return repository.BannerWriteInput{}, ErrInvalidBanner
+	}
+	var link *string
+	if body.LinkPath != nil {
+		lp := strings.TrimSpace(*body.LinkPath)
+		if lp == "" {
+			link = nil
+		} else {
+			if strings.Contains(lp, "://") || !bannerPathRe.MatchString(lp) {
+				return repository.BannerWriteInput{}, ErrInvalidBanner
+			}
+			link = &lp
+		}
+	}
+	var img *string
+	if body.ImageURL != nil {
+		u := strings.TrimSpace(*body.ImageURL)
+		if u == "" {
+			img = nil
+		} else if utf8.RuneCountInString(u) > 2000 {
+			return repository.BannerWriteInput{}, ErrInvalidBanner
+		} else {
+			img = &u
+		}
+	}
+	return repository.BannerWriteInput{
+		Code: code, Title: title, Placement: placement,
+		ImageURL: img, LinkPath: link, SortOrder: body.SortOrder, Active: body.Active,
+	}, nil
+}

apps/api/internal/service/admin/rbac.go

@@ -31,6 +31,7 @@ const (
 	PermAIConfigRead         = "admin.ai_config.read"
 	PermCrisisRead           = "admin.crisis.read"
 	PermCMSRead              = "admin.cms.read"
+	PermCMSWrite             = "admin.cms.write"
 	PermPrivacyRead = "admin.privacy.read"
 	PermExploreRead = "admin.explore.read"
 	PermGrowthRead = "admin.growth.read"
@@ -43,7 +44,7 @@ var knownPermissions = map[string]struct{}{
 	PermUsersStatusWrite: {}, PermMembershipPlansRead: {}, PermMembershipPlansWrite: {},
 	PermMembershipCodesRead: {}, PermMembershipCodesWrite: {},
 	PermAskRead: {}, PermAskTranscriptRead: {}, PermAskFeedbackWrite: {}, PermContentSafetyRead: {},
-	PermAIConfigRead: {}, PermCrisisRead: {}, PermCMSRead: {}, PermGrowthRead: {}, PermExploreRead: {}, PermPrivacyRead: {},
+	PermAIConfigRead: {}, PermCrisisRead: {}, PermCMSRead: {}, PermCMSWrite: {}, PermGrowthRead: {}, PermExploreRead: {}, PermPrivacyRead: {},
 }
 
 var (

apps/api/internal/service/home/service.go

@@ -31,6 +31,7 @@ type Service struct {
 	Repo     *repository.HomeToolsRepo
 	Tips     *repository.HomeDailyTipsRepo
 	Profiles *repository.ProfileRepo
+	CMS      *repository.AdminRepo
 	LLM      *deepseek.Client
 }
 
@@ -39,6 +40,24 @@ func (s *Service) ListPublic(ctx context.Context) ([]repository.HomeTool, error)
 	return s.Repo.ListEnabled(ctx)
 }
 
+// ListPublicBanners returns active banners for placement (default home).
+func (s *Service) ListPublicBanners(ctx context.Context, placement string) ([]repository.BannerRow, error) {
+	if placement == "" {
+		placement = "home"
+	}
+	if s.CMS == nil {
+		return []repository.BannerRow{}, nil
+	}
+	items, err := s.CMS.ListActiveBanners(ctx, placement)
+	if err != nil {
+		return nil, err
+	}
+	if items == nil {
+		items = []repository.BannerRow{}
+	}
+	return items, nil
+}
+
 // ListAdmin returns all tools.
 func (s *Service) ListAdmin(ctx context.Context) ([]repository.HomeTool, error) {
 	return s.Repo.ListAll(ctx)

apps/api/migrations/000051_ops_banner_write.down.sql

@@ -0,0 +1,5 @@
+-- ECR-041 rollback: revoke cms.write from super_admin
+
+DELETE FROM admin_role_permissions
+WHERE code = 'admin.cms.write'
+  AND role_id IN (SELECT id FROM admin_roles WHERE name = 'super_admin');

apps/api/migrations/000051_ops_banner_write.up.sql

@@ -0,0 +1,7 @@
+-- ECR-041 OpsCMS Banner write (additive permission)
+
+INSERT INTO admin_role_permissions(role_id, code)
+SELECT r.id, 'admin.cms.write'
+FROM admin_roles r
+WHERE r.name = 'super_admin'
+ON CONFLICT DO NOTHING;

apps/user-h5/src/composables/useHomePage.ts

@@ -6,6 +6,8 @@ import {
   homeFeeds,
   homeGridRow1,
   homeGridRow2,
+  mapHomeBannersToFeeds,
+  type HomeFeed,
   type HomeTool,
 } from '../lib/homeCatalog'
 import type { HomeToolIconName } from '../components/HomeToolIcon.vue'
@@ -62,6 +64,7 @@ export function useHomePage() {
     gridRow1: [...homeGridRow1] as HomeTool[],
     gridRow2: [...homeGridRow2] as HomeTool[],
   })
+  const feeds = ref<HomeFeed[]>([...homeFeeds])
 
   onMounted(() => {
     void api
@@ -89,6 +92,15 @@ export function useHomePage() {
       .catch(() => {
         /* keep static fallback */
       })
+    void api
+      .getHomeBanners('home')
+      .then((res) => {
+        const mapped = mapHomeBannersToFeeds(res.items || [])
+        if (mapped.length) feeds.value = mapped
+      })
+      .catch(() => {
+        /* keep static homeFeeds */
+      })
   })
 
   function goPlus(kind: 'inviteFill' | 'add' | 'synastry') {
@@ -115,7 +127,7 @@ export function useHomePage() {
     tips,
     tipsLoading,
     ...toRefs(grid),
-    feeds: homeFeeds,
+    feeds,
     goPlus,
     trackGrid,
   }

apps/user-h5/src/lib/homeCatalog.spec.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest'
-import { homeFeeds, homeGridRow1, homeGridRow2 } from '../lib/homeCatalog'
+import { homeFeeds, homeGridRow1, homeGridRow2, mapHomeBannersToFeeds } from '../lib/homeCatalog'
 
 describe('homeCatalog', () => {
   it('keeps 12-grid rows', () => {
@@ -14,4 +14,14 @@ describe('homeCatalog', () => {
       expect(f.title.length).toBeGreaterThan(0)
     }
   })
+
+  it('maps banners to feeds and drops external links', () => {
+    const mapped = mapHomeBannersToFeeds([
+      { title: '会员', link_path: '/membership', sort_order: 2 },
+      { title: '坏链', link_path: 'https://x.example', sort_order: 1 },
+    ])
+    expect(mapped).toHaveLength(1)
+    expect(mapped[0].to).toBe('/membership')
+    expect(mapped[0].title).toBe('会员')
+  })
 })

apps/user-h5/src/lib/homeCatalog.ts

@@ -90,3 +90,29 @@ export const homeFeeds: HomeFeed[] = [
     tone: 'fc-e',
   },
 ]
+
+const FEED_TONES = ['fc-e', 'fc-a', 'fc-b', 'fc-c', 'fc-a', 'fc-e'] as const
+
+/** Project active home banners into feed cards (ECR-041). */
+export function mapHomeBannersToFeeds(
+  items: Array<{ title: string; link_path?: string | null; sort_order?: number }>,
+): HomeFeed[] {
+  const tones = FEED_TONES
+  const out: HomeFeed[] = []
+  const sorted = [...items].sort((a, b) => (a.sort_order ?? 0) - (b.sort_order ?? 0))
+  for (let i = 0; i < sorted.length; i++) {
+    const it = sorted[i]
+    const to = (it.link_path || '').trim()
+    if (!to.startsWith('/') || to.includes('://')) continue
+    out.push({
+      to,
+      icon: 'portrait',
+      title: it.title,
+      meta: '运营推荐',
+      stat: '推荐',
+      tone: tones[i % tones.length],
+      tag: '荐',
+    })
+  }
+  return out
+}