diff --git a/.ai/product/feature-spec/README.md b/.ai/product/feature-spec/README.md
index 6e14337..03e8da0 100644
--- a/.ai/product/feature-spec/README.md
+++ b/.ai/product/feature-spec/README.md
@@ -57,7 +57,8 @@
 | [ops-image-card-deck-write.md](ops-image-card-deck-write.md) | ImageCardDeck **写面** | §7 | admin 写 · `GET /cards/decks` | ExploreConfig · **ECR-045** |
 | [ops-report-template.md](ops-report-template.md) | GrowthInsights ReportTemplate | §7 | `/admin/growth/report-templates*` | Ops · **ECR-038** |
 | [ops-funnel-definition.md](ops-funnel-definition.md) | GrowthInsights FunnelDefinition | §7 | `/admin/analytics/funnel-definitions*` | Ops · **ECR-039** |
-| [ops-scale-definition.md](ops-scale-definition.md) | ExploreConfig ScaleDefinition | §7 | `/admin/explore/scales*` | Ops · **ECR-040** |
+| [ops-scale-definition.md](ops-scale-definition.md) | ExploreConfig ScaleDefinition（只读） | §7 | `/admin/explore/scales*` | Ops · **ECR-040** |
+| [ops-scale-definition-write.md](ops-scale-definition-write.md) | ScaleDefinition **写面** | §7 | admin POST/PUT · status 仍 ECR-008 | ExploreConfig · **ECR-046** |
 
 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-scale-definition-write.md b/.ai/product/feature-spec/ops-scale-definition-write.md
new file mode 100644
index 0000000..ca52a27
--- /dev/null
+++ b/.ai/product/feature-spec/ops-scale-definition-write.md
@@ -0,0 +1,68 @@
+# Feature Spec: ExploreConfig · ScaleDefinition 写面（Ops · ECR-046）
+
+> Status: `Active`（**Implemented · ECR-046 Closed**）  
+> Auth: `docs/WAVE0/ECR-046_WRITE_AUTHORIZATION.md`（**仅 ECR-046**）  
+> Predecessor: ECR-040 只读 · ECR-008 status PATCH · ECR-045 Closed  
+> 关联：[ops-scale-definition.md](ops-scale-definition.md) · [ops-content.md](ops-content.md)
+
+## 1. 目标
+
+运营可在 Explore 侧 **创建/更新量表元数据**（slug/title/description）；**上下架仍走 ECR-008**。Closed 后 STOP。
+
+## 2. In / Out
+
+| In | Out |
+|----|-----|
+| POST/PUT `/admin/explore/scales*` | **PATCH status**（ECR-008 独占） |
+| 复用 `admin.explore.write` | 题干 / scale_questions |
+| 复用表 `scales` | soft-delete · Prompt/Knowledge/Chunk |
+| 创建默认 `status=draft` | 支付 · UGC · 自动 ECR-047 |
+| 审计 | 新权限子系统 |
+
+## 3. 双通道矩阵（强制）
+
+| API | 权限 | 字段 |
+|-----|------|------|
+| `POST/PUT /admin/explore/scales*` | `admin.explore.write` | slug · title · description |
+| `PATCH /admin/scales/{id}` | `admin.content.write` | **仅 status**（既有） |
+
+## 4. Domain
+
+| 字段 | 规则 |
+|------|------|
+| `slug` | 唯一；`^[a-z][a-z0-9-]{1,62}$` |
+| `title` | 必填 · ≤128 |
+| `description` | ≤512 · 可空串 |
+| `status` | 创建固定 `draft`；本刀 PUT **不得**改 status |
+
+## 5. C 端可观察
+
+| 条件 | 行为 |
+|------|------|
+| 新建 draft | C 端 published list **不含** |
+| ECR-008 PATCH → published | C 端 list **含**（既有 `/scales`） |
+| 不新增 C 端路由 | — |
+
+## 6. Migration
+
+`000054`→`000055_ops_scale_definition_write`：幂等确认 `admin.explore.write`
+
+## 7. UI
+
+admin-h5：量表元数据页（新建/编辑 slug·title·description）；上下架仍在「内容」页。
+
+## 8. AC
+
+| ID | Then |
+|----|------|
+| AC-F-01 | POST → list/get 可见 · status=draft |
+| AC-F-02 | PUT 改 title → get 反映；status 不变 |
+| AC-F-03 | 重复 slug → 409 |
+| AC-F-04 | draft 不在 C 端 published list；PATCH published 后出现 |
+| AC-S-01/02 | 401；仅 read → POST 403 |
+| AC-A-01 | 写产生审计 |
+| AC-O-01 | explore PUT 带 status 被忽略或不接受；无题干写；无 soft-delete |
+
+## 9. Closed 后
+
+立即 STOP · 禁自动 ECR-047
diff --git a/.ai/product/feature-spec/ops-scale-definition.md b/.ai/product/feature-spec/ops-scale-definition.md
index 198a204..15c75fb 100644
--- a/.ai/product/feature-spec/ops-scale-definition.md
+++ b/.ai/product/feature-spec/ops-scale-definition.md
@@ -1,6 +1,7 @@
 # Feature Spec: ExploreConfig · ScaleDefinition（Ops · ECR-040）
 
 > Status: `Active`（Loop continuous · **ECR-040 Closed**）  
+> **写面：** [ops-scale-definition-write.md](ops-scale-definition-write.md)（**ECR-046 Closed**）  
 > Parent: WAVE0-FROZEN · Predecessor: ECR-039 Closed  
 > Capability: `ExploreConfig` · BC: `Explore_Reports`  
 > 授权：`docs/WAVE0/LOOP_AUTHORIZATION.md`
diff --git a/apps/admin-h5/src/api/client.ts b/apps/admin-h5/src/api/client.ts
index 3fb2c03..d8facbc 100644
--- a/apps/admin-h5/src/api/client.ts
+++ b/apps/admin-h5/src/api/client.ts
@@ -726,9 +726,42 @@ export const adminApi = {
   funnelDefinition: (id: string) =>
     request<Record<string, unknown>>('GET', `/analytics/funnel-definitions/${id}`),
   exploreScales: () =>
-    request<{ items: Array<Record<string, unknown>> }>('GET', '/explore/scales'),
+    request<{
+      items: Array<{
+        id: string
+        slug: string
+        title: string
+        description: string
+        status: string
+      }>
+    }>('GET', '/explore/scales'),
   exploreScale: (id: string) =>
-    request<Record<string, unknown>>('GET', `/explore/scales/${id}`),
+    request<{
+      id: string
+      slug: string
+      title: string
+      description: string
+      status: string
+    }>('GET', `/explore/scales/${id}`),
+  createExploreScale: (body: { slug: string; title: string; description: string }) =>
+    request<{
+      id: string
+      slug: string
+      title: string
+      description: string
+      status: string
+    }>('POST', '/explore/scales', body),
+  updateExploreScale: (
+    id: string,
+    body: { slug: string; title: string; description: string },
+  ) =>
+    request<{
+      id: string
+      slug: string
+      title: string
+      description: string
+      status: string
+    }>('PUT', `/explore/scales/${id}`, body),
   orders: (params?: {
     status?: string
     kind?: string
diff --git a/apps/admin-h5/src/layouts/AdminShell.vue b/apps/admin-h5/src/layouts/AdminShell.vue
index 4c8b6ff..06e740f 100644
--- a/apps/admin-h5/src/layouts/AdminShell.vue
+++ b/apps/admin-h5/src/layouts/AdminShell.vue
@@ -38,6 +38,7 @@ async function onLogout() {
         <RouterLink to="/star-configs">星座配置</RouterLink>
         <RouterLink to="/rhythm-configs">节律配置</RouterLink>
         <RouterLink to="/image-card-decks">意象牌组</RouterLink>
+        <RouterLink to="/scale-definitions">量表元数据</RouterLink>
         <RouterLink to="/catalogs">目录仓</RouterLink>
         <RouterLink to="/orders">订单</RouterLink>
         <RouterLink v-if="auth.can('admin.membership.plans.read')" to="/pricing">定价</RouterLink>
diff --git a/apps/admin-h5/src/pages/ScaleDefinitionPage.vue b/apps/admin-h5/src/pages/ScaleDefinitionPage.vue
new file mode 100644
index 0000000..fb32ff5
--- /dev/null
+++ b/apps/admin-h5/src/pages/ScaleDefinitionPage.vue
@@ -0,0 +1,156 @@
+<script setup lang="ts">
+import { onMounted, reactive, ref } from 'vue'
+import { adminApi } from '@/api/client'
+import { useAuthStore } from '@/stores/auth'
+
+type Row = Awaited<ReturnType<typeof adminApi.exploreScales>>['items'][number]
+
+const auth = useAuthStore()
+const canWrite = () => auth.can('admin.explore.write')
+
+const loading = ref(false)
+const error = ref('')
+const items = ref<Row[]>([])
+const selected = ref<Row | null>(null)
+const saving = ref(false)
+const formErr = ref('')
+const form = reactive({
+  slug: '',
+  title: '',
+  description: '',
+})
+
+async function load() {
+  loading.value = true
+  error.value = ''
+  try {
+    const res = await adminApi.exploreScales()
+    items.value = res.items || []
+  } catch (e) {
+    error.value = e instanceof Error ? e.message : '加载失败'
+  } finally {
+    loading.value = false
+  }
+}
+
+function resetForm() {
+  form.slug = ''
+  form.title = ''
+  form.description = ''
+  selected.value = null
+  formErr.value = ''
+}
+
+async function openRow(id: string) {
+  formErr.value = ''
+  try {
+    const row = await adminApi.exploreScale(id)
+    selected.value = row
+    form.slug = row.slug
+    form.title = row.title
+    form.description = row.description || ''
+  } catch {
+    selected.value = null
+  }
+}
+
+function payload() {
+  return {
+    slug: form.slug.trim(),
+    title: form.title.trim(),
+    description: form.description.trim(),
+  }
+}
+
+async function createRow() {
+  if (!canWrite()) return
+  saving.value = true
+  formErr.value = ''
+  try {
+    const row = await adminApi.createExploreScale(payload())
+    await load()
+    await openRow(row.id)
+  } catch (e) {
+    formErr.value = e instanceof Error ? e.message : '创建失败'
+  } finally {
+    saving.value = false
+  }
+}
+
+async function saveRow() {
+  if (!selected.value || !canWrite()) return
+  saving.value = true
+  formErr.value = ''
+  try {
+    const row = await adminApi.updateExploreScale(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
+  }
+}
+
+onMounted(() => {
+  void load()
+})
+</script>
+
+<template>
+  <section>
+    <h1>量表元数据</h1>
+    <p class="muted">
+      ScaleDefinition 写面 · 仅 slug/title/description · 创建为 draft · 上下架请用「内容」页（ECR-008）· ECR-046
+    </p>
+    <p v-if="!canWrite()" class="err">需要 admin.explore.write 才可写</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>列表</h2>
+        <button v-if="canWrite()" class="btn" type="button" @click="resetForm">新建</button>
+        <p v-if="!items.length" class="muted">暂无</p>
+        <table v-else>
+          <thead>
+            <tr><th>slug</th><th>标题</th><th>状态</th><th></th></tr>
+          </thead>
+          <tbody>
+            <tr v-for="b in items" :key="b.id">
+              <td><code>{{ b.slug }}</code></td>
+              <td>{{ b.title }}</td>
+              <td>{{ b.status }}</td>
+              <td><button class="btn" type="button" @click="openRow(b.id)">编辑</button></td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+      <div class="card">
+        <h2>{{ selected ? '编辑元数据' : '新建（draft）' }}</h2>
+        <label>slug <input v-model="form.slug" :disabled="!canWrite()" /></label>
+        <label>标题 <input v-model="form.title" :disabled="!canWrite()" /></label>
+        <label>简介 <textarea v-model="form.description" rows="3" :disabled="!canWrite()" /></label>
+        <p v-if="selected" class="muted">当前 status={{ selected.status }}（本页不可改）</p>
+        <p v-if="formErr" class="err">{{ formErr }}</p>
+        <div v-if="canWrite()" class="actions">
+          <button v-if="!selected" class="btn primary" type="button" :disabled="saving" @click="createRow">
+            创建
+          </button>
+          <button v-else class="btn primary" type="button" :disabled="saving" @click="saveRow">保存</button>
+        </div>
+      </div>
+    </div>
+  </section>
+</template>
+
+<style scoped>
+h1 { margin: 0 0 0.35rem; font-size: 1.35rem; }
+h2 { margin: 0 0 0.6rem; font-size: 1.05rem; }
+.layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 1rem; margin-top: 1rem; }
+code { font-size: 0.8rem; }
+.card label { display: block; margin: 0.4rem 0; font-size: 0.9rem; }
+.card input, .card textarea { width: 100%; margin-top: 0.2rem; }
+.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>
diff --git a/apps/admin-h5/src/router/index.ts b/apps/admin-h5/src/router/index.ts
index 92eedc1..199b4d3 100644
--- a/apps/admin-h5/src/router/index.ts
+++ b/apps/admin-h5/src/router/index.ts
@@ -42,6 +42,12 @@ const router = createRouter({
           component: () => import('@/pages/ImageCardDeckPage.vue'),
           meta: { permission: 'admin.explore.read' },
         },
+        {
+          path: 'scale-definitions',
+          name: 'scale-definitions',
+          component: () => import('@/pages/ScaleDefinitionPage.vue'),
+          meta: { permission: 'admin.explore.read' },
+        },
         { path: 'catalogs', name: 'catalogs', component: () => import('@/pages/CatalogHubPage.vue') },
         { path: 'push', name: 'push', component: () => import('@/pages/PushJobsPage.vue') },
         { path: 'admins', name: 'admins', component: () => import('@/pages/AdminsPage.vue'), meta: { superOnly: true } },
diff --git a/apps/api/internal/handler/admin_explore_scales.go b/apps/api/internal/handler/admin_explore_scales.go
index 1334536..a6e7527 100644
--- a/apps/api/internal/handler/admin_explore_scales.go
+++ b/apps/api/internal/handler/admin_explore_scales.go
@@ -16,6 +16,8 @@ func (h *AdminHandler) registerExploreScales(authed *gin.RouterGroup) {
 	g := authed.Group("/explore")
 	g.GET("/scales", middleware.RequireAnyAdminPermission(h.Svc, admin.PermExploreRead, admin.PermContentWrite), h.ListExploreScales)
 	g.GET("/scales/:id", middleware.RequireAnyAdminPermission(h.Svc, admin.PermExploreRead, admin.PermContentWrite), h.GetExploreScale)
+	g.POST("/scales", middleware.RequireAdminPermission(h.Svc, admin.PermExploreWrite), h.CreateExploreScale)
+	g.PUT("/scales/:id", middleware.RequireAdminPermission(h.Svc, admin.PermExploreWrite), h.UpdateExploreScale)
 }
 
 func (h *AdminHandler) ListExploreScales(c *gin.Context) {
@@ -44,3 +46,66 @@ func (h *AdminHandler) GetExploreScale(c *gin.Context) {
 	}
 	response.OK(c, row)
 }
+
+func (h *AdminHandler) CreateExploreScale(c *gin.Context) {
+	adminID, ok := middleware.AdminIDFromContext(c)
+	if !ok {
+		response.Fail(c, http.StatusUnauthorized, 40101, "admin auth required")
+		return
+	}
+	var body admin.ScaleDefinitionWriteBody
+	if err := c.ShouldBindJSON(&body); err != nil {
+		response.Fail(c, http.StatusBadRequest, 40054, "invalid body")
+		return
+	}
+	row, err := h.Svc.CreateScaleDefinition(c.Request.Context(), adminID, body)
+	if errors.Is(err, admin.ErrInvalidScaleDefinition) {
+		response.Fail(c, http.StatusBadRequest, 40055, "invalid scale definition")
+		return
+	}
+	if errors.Is(err, admin.ErrScaleDefinitionConflict) {
+		response.Fail(c, http.StatusConflict, 40912, "scale slug conflict")
+		return
+	}
+	if err != nil {
+		response.Fail(c, http.StatusInternalServerError, 50062, "create scale definition failed")
+		return
+	}
+	response.OK(c, row)
+}
+
+func (h *AdminHandler) UpdateExploreScale(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.ScaleDefinitionWriteBody
+	if err := c.ShouldBindJSON(&body); err != nil {
+		response.Fail(c, http.StatusBadRequest, 40054, "invalid body")
+		return
+	}
+	row, err := h.Svc.UpdateScaleDefinition(c.Request.Context(), adminID, id, body)
+	if errors.Is(err, admin.ErrScaleNotFound) {
+		response.Fail(c, http.StatusNotFound, 40430, "scale not found")
+		return
+	}
+	if errors.Is(err, admin.ErrInvalidScaleDefinition) {
+		response.Fail(c, http.StatusBadRequest, 40055, "invalid scale definition")
+		return
+	}
+	if errors.Is(err, admin.ErrScaleDefinitionConflict) {
+		response.Fail(c, http.StatusConflict, 40912, "scale slug conflict")
+		return
+	}
+	if err != nil {
+		response.Fail(c, http.StatusInternalServerError, 50063, "update scale definition failed")
+		return
+	}
+	response.OK(c, row)
+}
diff --git a/apps/api/internal/integration/scale_definition_write_test.go b/apps/api/internal/integration/scale_definition_write_test.go
new file mode 100644
index 0000000..0fb2e7f
--- /dev/null
+++ b/apps/api/internal/integration/scale_definition_write_test.go
@@ -0,0 +1,116 @@
+package integration_test
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"testing"
+	"time"
+
+	"github.com/google/uuid"
+	"golang.org/x/crypto/bcrypt"
+)
+
+func TestExploreScaleDefinitionWrite(t *testing.T) {
+	r, pool := setupAPIPool(t)
+	ctx := context.Background()
+	tok := adminLogin(t, r, "admin", "change-me")
+
+	slug := fmt.Sprintf("scale-w-%d", time.Now().UnixNano()%1_000_000)
+	body := map[string]any{"slug": slug, "title": "测试量表元数据", "description": "desc"}
+	env, httpCode := doAdminJSON(t, r, http.MethodPost, "/api/v1/admin/explore/scales", 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"`
+		Slug   string `json:"slug"`
+		Status string `json:"status"`
+		Title  string `json:"title"`
+	}
+	_ = json.Unmarshal(env.Data, &created)
+	if created.ID == "" || created.Status != "draft" {
+		t.Fatalf("bad create %#v", created)
+	}
+	t.Cleanup(func() {
+		_, _ = pool.Exec(ctx, `DELETE FROM scales WHERE id=$1`, created.ID)
+	})
+
+	_, httpCode = doAdminJSON(t, r, http.MethodPost, "/api/v1/admin/explore/scales", body, tok)
+	if httpCode != http.StatusConflict {
+		t.Fatalf("dup expected 409 got %d", httpCode)
+	}
+
+	// draft must not appear on C-end published list
+	key := mustRegister(t, r)
+	env, key = doJSON(t, r, http.MethodGet, "/api/v1/scales", nil, key)
+	var pub struct {
+		Items []struct {
+			Slug string `json:"slug"`
+		} `json:"items"`
+	}
+	_ = json.Unmarshal(env.Data, &pub)
+	for _, it := range pub.Items {
+		if it.Slug == slug {
+			t.Fatal("draft listed on C-end")
+		}
+	}
+
+	body["title"] = "改标题"
+	env, httpCode = doAdminJSON(t, r, http.MethodPut, "/api/v1/admin/explore/scales/"+created.ID, body, tok)
+	if httpCode != 200 {
+		t.Fatalf("update %d", httpCode)
+	}
+	_ = json.Unmarshal(env.Data, &created)
+	if created.Title != "改标题" || created.Status != "draft" {
+		t.Fatalf("put changed status or missed title %#v", created)
+	}
+
+	// publish via ECR-008 channel
+	_, httpCode = doAdminJSON(t, r, http.MethodPatch, "/api/v1/admin/scales/"+created.ID, map[string]any{"status": "published"}, tok)
+	if httpCode != 200 {
+		t.Fatalf("patch status %d", httpCode)
+	}
+	env, _ = doJSON(t, r, http.MethodGet, "/api/v1/scales", nil, key)
+	_ = json.Unmarshal(env.Data, &pub)
+	found := false
+	for _, it := range pub.Items {
+		if it.Slug == slug {
+			found = true
+			break
+		}
+	}
+	if !found {
+		t.Fatal("published missing on C-end")
+	}
+
+	var n int
+	_ = pool.QueryRow(ctx, `
+		SELECT COUNT(*) FROM admin_audit_logs
+		WHERE action IN ('explore.scale_definition.create','explore.scale_definition.update') AND target_id=$1`,
+		created.ID).Scan(&n)
+	if n < 2 {
+		t.Fatalf("audit %d", n)
+	}
+
+	limitedRoleID := uuid.New()
+	_, _ = pool.Exec(ctx, `INSERT INTO admin_roles(id, name, system) VALUES ($1,$2,false)`,
+		limitedRoleID, "sd_ro_"+limitedRoleID.String()[:8])
+	_, _ = pool.Exec(ctx, `INSERT INTO admin_role_permissions(role_id, code) VALUES ($1,'admin.explore.read')`, limitedRoleID)
+	hash, _ := bcrypt.GenerateFromPassword([]byte("ro-pass"), bcrypt.DefaultCost)
+	roUser := fmt.Sprintf("sdro_%d", time.Now().UnixNano())
+	_, _ = pool.Exec(ctx, `INSERT INTO admin_accounts(username, password_hash, role_id) VALUES ($1,$2,$3)`,
+		roUser, string(hash), limitedRoleID)
+	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/explore/scales", map[string]any{
+		"slug": "x-ro", "title": "no", "description": "",
+	}, roTok)
+	if httpCode != http.StatusForbidden {
+		t.Fatalf("expected 403 got %d", httpCode)
+	}
+}
diff --git a/apps/api/internal/repository/scale_definition_write.go b/apps/api/internal/repository/scale_definition_write.go
new file mode 100644
index 0000000..787afe2
--- /dev/null
+++ b/apps/api/internal/repository/scale_definition_write.go
@@ -0,0 +1,106 @@
+package repository
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"strings"
+
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgconn"
+)
+
+// ScaleDefinitionWriteInput is explore-side metadata payload (no status).
+type ScaleDefinitionWriteInput struct {
+	Slug        string
+	Title       string
+	Description string
+}
+
+// CreateScaleDefinitionWithAudit inserts draft scale metadata + audit.
+func (r *ScaleRepo) CreateScaleDefinitionWithAudit(
+	ctx context.Context, adminID uuid.UUID, in ScaleDefinitionWriteInput, meta json.RawMessage,
+) (*ScaleAdminItem, error) {
+	tx, err := r.Pool.Begin(ctx)
+	if err != nil {
+		return nil, err
+	}
+	defer tx.Rollback(ctx)
+	var it ScaleAdminItem
+	err = tx.QueryRow(ctx, `
+		INSERT INTO scales(slug, title, description, status)
+		VALUES ($1,$2,$3,'draft')
+		RETURNING id, slug, title, description, status`,
+		in.Slug, in.Title, in.Description,
+	).Scan(&it.ID, &it.Slug, &it.Title, &it.Description, &it.Status)
+	if err != nil {
+		return nil, mapScaleDefinitionWriteErr(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,'explore.scale_definition.create','scale',$2,$3)`,
+		adminID, it.ID.String(), meta,
+	); err != nil {
+		return nil, err
+	}
+	if err := tx.Commit(ctx); err != nil {
+		return nil, err
+	}
+	return &it, nil
+}
+
+// UpdateScaleDefinitionWithAudit updates metadata only (never status).
+func (r *ScaleRepo) UpdateScaleDefinitionWithAudit(
+	ctx context.Context, adminID, id uuid.UUID, in ScaleDefinitionWriteInput, meta json.RawMessage,
+) (*ScaleAdminItem, error) {
+	tx, err := r.Pool.Begin(ctx)
+	if err != nil {
+		return nil, err
+	}
+	defer tx.Rollback(ctx)
+	var it ScaleAdminItem
+	err = tx.QueryRow(ctx, `
+		UPDATE scales
+		SET slug=$2, title=$3, description=$4, updated_at=now()
+		WHERE id=$1 AND deleted_at IS NULL
+		RETURNING id, slug, title, description, status`,
+		id, in.Slug, in.Title, in.Description,
+	).Scan(&it.ID, &it.Slug, &it.Title, &it.Description, &it.Status)
+	if errors.Is(err, pgx.ErrNoRows) {
+		return nil, pgx.ErrNoRows
+	}
+	if err != nil {
+		return nil, mapScaleDefinitionWriteErr(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,'explore.scale_definition.update','scale',$2,$3)`,
+		adminID, id.String(), meta,
+	); err != nil {
+		return nil, err
+	}
+	if err := tx.Commit(ctx); err != nil {
+		return nil, err
+	}
+	return &it, nil
+}
+
+func mapScaleDefinitionWriteErr(err error) error {
+	var pgErr *pgconn.PgError
+	if errors.As(err, &pgErr) && pgErr.Code == "23505" {
+		return errString("scale slug conflict")
+	}
+	return err
+}
+
+// ScaleSlugConflict reports unique violation.
+func ScaleSlugConflict(err error) bool {
+	return err != nil && strings.Contains(err.Error(), "scale slug conflict")
+}
diff --git a/apps/api/internal/service/admin/scale_definition_write.go b/apps/api/internal/service/admin/scale_definition_write.go
new file mode 100644
index 0000000..bfc632e
--- /dev/null
+++ b/apps/api/internal/service/admin/scale_definition_write.go
@@ -0,0 +1,81 @@
+package admin
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"regexp"
+	"strings"
+	"unicode/utf8"
+
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5"
+
+	"github.com/yuxingu/digital-psychology/apps/api/internal/repository"
+)
+
+var (
+	ErrInvalidScaleDefinition  = errors.New("invalid scale definition")
+	ErrScaleDefinitionConflict = errors.New("scale slug conflict")
+	scaleSlugRe                = regexp.MustCompile(`^[a-z][a-z0-9-]{1,62}$`)
+)
+
+// ScaleDefinitionWriteBody is explore-side JSON (no status).
+type ScaleDefinitionWriteBody struct {
+	Slug        string `json:"slug"`
+	Title       string `json:"title"`
+	Description string `json:"description"`
+}
+
+// CreateScaleDefinition creates draft metadata.
+func (s *Service) CreateScaleDefinition(ctx context.Context, adminID uuid.UUID, body ScaleDefinitionWriteBody) (*repository.ScaleAdminItem, error) {
+	if s.Scales == nil {
+		return nil, errors.New("scales unavailable")
+	}
+	in, err := normalizeScaleDefinitionWrite(body)
+	if err != nil {
+		return nil, err
+	}
+	meta, _ := json.Marshal(map[string]any{"slug": in.Slug})
+	row, err := s.Scales.CreateScaleDefinitionWithAudit(ctx, adminID, in, meta)
+	if repository.ScaleSlugConflict(err) {
+		return nil, ErrScaleDefinitionConflict
+	}
+	return row, err
+}
+
+// UpdateScaleDefinition updates metadata; preserves status.
+func (s *Service) UpdateScaleDefinition(ctx context.Context, adminID, id uuid.UUID, body ScaleDefinitionWriteBody) (*repository.ScaleAdminItem, error) {
+	if s.Scales == nil {
+		return nil, errors.New("scales unavailable")
+	}
+	in, err := normalizeScaleDefinitionWrite(body)
+	if err != nil {
+		return nil, err
+	}
+	meta, _ := json.Marshal(map[string]any{"slug": in.Slug})
+	row, err := s.Scales.UpdateScaleDefinitionWithAudit(ctx, adminID, id, in, meta)
+	if errors.Is(err, pgx.ErrNoRows) {
+		return nil, ErrScaleNotFound
+	}
+	if repository.ScaleSlugConflict(err) {
+		return nil, ErrScaleDefinitionConflict
+	}
+	return row, err
+}
+
+func normalizeScaleDefinitionWrite(body ScaleDefinitionWriteBody) (repository.ScaleDefinitionWriteInput, error) {
+	slug := strings.TrimSpace(body.Slug)
+	title := strings.TrimSpace(body.Title)
+	desc := strings.TrimSpace(body.Description)
+	if !scaleSlugRe.MatchString(slug) {
+		return repository.ScaleDefinitionWriteInput{}, ErrInvalidScaleDefinition
+	}
+	if title == "" || utf8.RuneCountInString(title) > 128 {
+		return repository.ScaleDefinitionWriteInput{}, ErrInvalidScaleDefinition
+	}
+	if utf8.RuneCountInString(desc) > 512 {
+		return repository.ScaleDefinitionWriteInput{}, ErrInvalidScaleDefinition
+	}
+	return repository.ScaleDefinitionWriteInput{Slug: slug, Title: title, Description: desc}, nil
+}
diff --git a/apps/api/migrations/000055_ops_scale_definition_write.down.sql b/apps/api/migrations/000055_ops_scale_definition_write.down.sql
new file mode 100644
index 0000000..e3fcc33
--- /dev/null
+++ b/apps/api/migrations/000055_ops_scale_definition_write.down.sql
@@ -0,0 +1,2 @@
+-- ECR-046 rollback marker (permission shared — do not revoke explore.write)
+SELECT 1;
diff --git a/apps/api/migrations/000055_ops_scale_definition_write.up.sql b/apps/api/migrations/000055_ops_scale_definition_write.up.sql
new file mode 100644
index 0000000..7a37b10
--- /dev/null
+++ b/apps/api/migrations/000055_ops_scale_definition_write.up.sql
@@ -0,0 +1,7 @@
+-- ECR-046 ScaleDefinition metadata write (reuse admin.explore.write)
+
+INSERT INTO admin_role_permissions(role_id, code)
+SELECT r.id, 'admin.explore.write'
+FROM admin_roles r
+WHERE r.name = 'super_admin'
+ON CONFLICT DO NOTHING;
diff --git a/docs/BACKEND_DESIGN/BD-2026-046-scale-definition-write.md b/docs/BACKEND_DESIGN/BD-2026-046-scale-definition-write.md
new file mode 100644
index 0000000..3af0d6f
--- /dev/null
+++ b/docs/BACKEND_DESIGN/BD-2026-046-scale-definition-write.md
@@ -0,0 +1,22 @@
+# Backend Design: ECR-046 ScaleDefinition Write
+
+| Field | Value |
+|-------|-------|
+| ID | BD-2026-046 |
+| Status | **Closed** |
+| Coding | **Closed** |
+| Migration | `000055_ops_scale_definition_write` |
+
+## Boundary
+
+```text
+POST/PUT /api/v1/admin/explore/scales*
+Permission: admin.explore.write
+Fields: slug, title, description (create → draft)
+Status: ECR-008 PATCH only
+Audit: explore.scale_definition.create|update
+```
+
+## Out
+
+questions · status on explore path · soft-delete · Prompt · auto ECR-047  
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 63c7520..cbde0f1 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## 2026-08-13
 
+- **ECR-046 Closed：** ScaleDefinition 元数据薄写（`explore.write` POST/PUT · create→draft · status 仍 ECR-008 · migration `000055`）· **Loop STOP** · 禁自动 ECR-047 · 无题干编辑  
+- **ECR-046 Candidate Review Approved：** 首刀 = **ScaleDefinition 元数据薄写**（slug/title/description；create→draft）· **status 仍独占 ECR-008** · Spec/Loop/Coding **未开** · Auth 草案 PENDING  
+- **ECR-046 Candidate Review DRAFT：** 推荐 ExploreConfig 写面波次 **STOP**；慎选 ScaleDefinition（须相对 ECR-008 增量）；禁 Prompt/Knowledge/Chunk · 待 Human 拍板  
 - **ECR-045 Closed：** ExploreConfig ImageCardDeck 薄写面（复用 `admin.explore.write` · POST/PUT · `GET /cards/decks` · `/cards` 空态/失败回退 · migration `000054` · **无牌面编辑**）· **Loop STOP** · 禁自动 ECR-046  
 - **ECR-045 Candidate Review Approved：** 首刀 = **ImageCardDeck**（不预设 SystemPrompt；禁牌面内容编辑）· Spec/Loop/Coding **未开** · Auth 草案 PENDING  
 - **ECR-044 Closed：** ExploreConfig RhythmConfig 薄写面（复用 `admin.explore.write` · POST/PUT · `GET /rhythm/configs` · `/rhythm` 空态/失败回退 · migration `000053`）· **Continuous Loop STOP** · 禁自动 ECR-045  
diff --git a/docs/CODE_REVIEW/ECR-046.md b/docs/CODE_REVIEW/ECR-046.md
new file mode 100644
index 0000000..361188a
--- /dev/null
+++ b/docs/CODE_REVIEW/ECR-046.md
@@ -0,0 +1,3 @@
+# CODE_REVIEW — ECR-046
+
+**Verdict:** Approve · ScaleDefinition 元数据 only · status 通道未侵入 · 无题干/soft-delete/Prompt · Closed 后 STOP · ECR-008 Live Promote 仍 BLOCKED
diff --git a/docs/CONTRACT_DIFF/ECR-046.yaml b/docs/CONTRACT_DIFF/ECR-046.yaml
new file mode 100644
index 0000000..75d12d1
--- /dev/null
+++ b/docs/CONTRACT_DIFF/ECR-046.yaml
@@ -0,0 +1,20 @@
+ecr: ECR-046
+capability: ExploreConfig
+change:
+  type: additive
+breaking_change: false
+migration_required: true
+apis:
+  - method: POST
+    path: /api/v1/admin/explore/scales
+    change: added
+  - method: PUT
+    path: /api/v1/admin/explore/scales/{id}
+    change: added
+perms:
+  - code: admin.explore.write
+    change: reused
+  - code: admin.content.write
+    change: unchanged_status_channel
+migration: 000055_ops_scale_definition_write
+notes: status publish remains PATCH /admin/scales/{id} (ECR-008)
diff --git a/docs/ECR/ECR-046-scale-definition-write.md b/docs/ECR/ECR-046-scale-definition-write.md
new file mode 100644
index 0000000..b61d1bb
--- /dev/null
+++ b/docs/ECR/ECR-046-scale-definition-write.md
@@ -0,0 +1,20 @@
+# ECR-046
+
+**Title:** ExploreConfig · ScaleDefinition 元数据薄写  
+**Status:** **Closed**（2026-08-13）  
+**Auth:** `ECR-046_WRITE_AUTHORIZATION.md` · Closed 后 STOP  
+
+## Change
+
+1. Spec `ops-scale-definition-write`  
+2. POST/PUT `/admin/explore/scales*` + explore.write + 审计  
+3. status 仍 ECR-008；无新 C 端路由  
+4. Migration `000055` · OpenAPI · admin-h5  
+
+## Forbidden
+
+题干 · explore 改 status · soft-delete · Prompt 族 · 支付/UGC · 自动 ECR-047
+
+## Acceptance
+
+TEST_REPORT/ECR-046 · CODE_REVIEW Approve · Done · Closed.
diff --git a/docs/HANDOFF/ECR-046-architect-to-engineer.md b/docs/HANDOFF/ECR-046-architect-to-engineer.md
new file mode 100644
index 0000000..ae964f1
--- /dev/null
+++ b/docs/HANDOFF/ECR-046-architect-to-engineer.md
@@ -0,0 +1,5 @@
+# HANDOFF — Architect → Engineer · ECR-046
+
+**Coding AUTHORIZED.** ScaleDefinition metadata only.  
+Reuse explore.write. Migration 000055. Status via ECR-008 only.  
+After Closed: STOP — no ECR-047.
diff --git a/docs/HANDOFF/ECR-046-engineer-to-reviewer.md b/docs/HANDOFF/ECR-046-engineer-to-reviewer.md
new file mode 100644
index 0000000..23b12ba
--- /dev/null
+++ b/docs/HANDOFF/ECR-046-engineer-to-reviewer.md
@@ -0,0 +1,4 @@
+# HANDOFF — Engineer → Reviewer · ECR-046
+
+TestExploreScaleDefinitionWrite PASS · governance max 000055 · Ready Closed.  
+status 仍 ECR-008 · 无题干写 · STOP · 禁自动 ECR-047.
diff --git a/docs/PRODUCT_SPEC/ECR-046-scale-definition-write.md b/docs/PRODUCT_SPEC/ECR-046-scale-definition-write.md
new file mode 100644
index 0000000..b9f6d68
--- /dev/null
+++ b/docs/PRODUCT_SPEC/ECR-046-scale-definition-write.md
@@ -0,0 +1,3 @@
+# PRODUCT_SPEC — ECR-046
+
+对齐 `ops-scale-definition-write.md` · **Closed**.  
diff --git a/docs/PROJECT_PROFILE.md b/docs/PROJECT_PROFILE.md
index 55aa4fe..141b9fd 100644
--- a/docs/PROJECT_PROFILE.md
+++ b/docs/PROJECT_PROFILE.md
@@ -53,20 +53,20 @@
 - **本仓：** `ess_intake: strict` · Retro FAIL · 单 ECR Context  
 - **Ops foundation：** `docs/WAVE0/` · `.ai/domain/boundary-rules.md` · `glossary.yaml` · Loop: `docs/WAVE0/LOOP_AUTHORIZATION.md`  
 - ECR: main 线 ECR-006–016 Closed；Ops 扩展 ECR-013A/B · 017–040；分叉已固定为 `ECR-012-star` / `014-plan` / `015-code` / `016-insight`（见 TRACEABILITY）  
-- **Next ECR / Max Migration：** **Next=`ECR-046`（禁自动开）** · **Max=`000054`**  
+- **Next ECR / Max Migration：** **Next=`ECR-047`（禁自动开）** · **Max=`000055`**  
 - **Write-Wave CMS：** 041–042 Closed · STOP  
-- **ExploreConfig：** ECR-043/044/045 Closed · **Loop STOP** · Prompt/Knowledge/Chunk STOP  
+- **ExploreConfig：** ECR-043…046 Closed · **Loop STOP** · Prompt/Knowledge/Chunk STOP  
 - **Release：** ECR-008 Live Promote **BLOCKED**（独立门禁 · 勿与 Write-Wave 混谈）  
 - EXP: （无）  
-- STATE: `docs/STATE/`（含 ECR-041…045）  
+- STATE: `docs/STATE/`（含 ECR-041…046）  
 - TRACEABILITY: `docs/TRACEABILITY.md` · 门禁 `scripts/repo-governance-check.py`  
 - ADR: `.ai/adr/0007-ess-ai-dual-track.md`  
 - Product status: `.ai/product/p1-status.md`（**P1 Complete**）· `.ai/product/p2-status.md`（**P2 Complete**）  
-- Active Spec: `account-auth` · `explore-test` · `home` · `star-profile` · `life-rhythm` · `input-compliance` · `ops-system` · `profile` · `ops-banner-write` · `ops-star-config-write` · `ops-rhythm-config-write` · `ops-image-card-deck-write`  
+- Active Spec: `account-auth` · `explore-test` · `home` · `star-profile` · `life-rhythm` · `input-compliance` · `ops-system` · `profile` · `ops-banner-write` · `ops-star-config-write` · `ops-rhythm-config-write` · `ops-image-card-deck-write` · `ops-scale-definition-write`  
 
 ## WIP（尚未单独 ECR）
 
-- （无 · ECR-045 Closed · Loop STOP）  
+- （无 · ECR-046 Closed · Loop STOP）  
 - BD-2026-044 状态补丁：工作区可暂留 · **不**自动提交  
 
 ## Pointers
diff --git a/docs/STATE/ECR-046.md b/docs/STATE/ECR-046.md
new file mode 100644
index 0000000..68a7cdb
--- /dev/null
+++ b/docs/STATE/ECR-046.md
@@ -0,0 +1,7 @@
+# STATE — ECR-046
+
+| Status | **Closed** |
+| Spec | ops-scale-definition-write |
+| Migration | 000055_ops_scale_definition_write |
+| Closed | 2026-08-13 |
+| Next | STOP · ECR-047 禁自动开 |
diff --git a/docs/TEST_REPORT/ECR-046.md b/docs/TEST_REPORT/ECR-046.md
new file mode 100644
index 0000000..b43a288
--- /dev/null
+++ b/docs/TEST_REPORT/ECR-046.md
@@ -0,0 +1,11 @@
+# TEST_REPORT — ECR-046 ScaleDefinition Write
+
+**Commit:** (pending Close)
+
+```bash
+go test ./internal/integration/ -count=1 -run TestExploreScaleDefinitionWrite
+python3 scripts/repo-governance-check.py
+```
+
+PASS · create draft · 409 · PUT 保 status · C 端 draft 不可见 / publish 后可见 · audit · 403  
+REPO GOVERNANCE: PASS · max 000055 · Next ECR-047（禁自动开）
diff --git a/docs/TRACEABILITY.md b/docs/TRACEABILITY.md
index 8c89a6b..86affe0 100644
--- a/docs/TRACEABILITY.md
+++ b/docs/TRACEABILITY.md
@@ -4,8 +4,8 @@
 
 | Anchor | Value | Rule |
 |--------|-------|------|
-| **Next ECR** | `ECR-046` | **冻结：** 须重新 Candidate Review + Human 单独拍板；**禁止自动开刀** |
-| **Max Migration** | `000054` | 禁止凭记忆 |
+| **Next ECR** | `ECR-047` | **冻结：** 须重新 Candidate Review + Human 单独拍板；**禁止自动开刀** |
+| **Max Migration** | `000055` | 禁止凭记忆 |
 
 - ECR identity **全局唯一**（含已 Closed）；禁止同号双义。分叉只用 `ECR-NNN-suffix` / `ECR-NNNA`。  
 - Migration **6 位版本号唯一**。撞号修复见 `docs/MIGRATION_RENUMBER.md`。  
@@ -71,5 +71,6 @@
 | ECR-043 | ExploreConfig · StarConfig 薄写面 | **Closed** | Spec ops-star-config-write · BD-2026-043 · migration **000052** · Closed 后 STOP · 禁自动 ECR-044 |
 | ECR-044 | ExploreConfig · RhythmConfig 薄写面 | **Closed** | Spec ops-rhythm-config-write · BD-2026-044 · migration **000053** · Closed 后 STOP · 禁自动 ECR-045 |
 | ECR-045 | ExploreConfig · ImageCardDeck 薄写面 | **Closed** | Spec ops-image-card-deck-write · BD-2026-045 · migration **000054** · Closed 后 STOP · 禁自动 ECR-046 · 无牌面编辑 |
+| ECR-046 | ExploreConfig · ScaleDefinition 元数据薄写 | **Closed** | Spec ops-scale-definition-write · BD-2026-046 · migration **000055** · status 仍 ECR-008 · Closed 后 STOP · 禁自动 ECR-047 |
 
 > **Migration：** 合并后 `000015`–`000023` 曾撞号，已重编号至 `000050`。以 `apps/api/migrations/` 与 `docs/MIGRATION_RENUMBER.md` 为准（文档中旧号引用可能滞后）。
diff --git a/docs/WAVE0/ECR-046-CANDIDATE_REVIEW.md b/docs/WAVE0/ECR-046-CANDIDATE_REVIEW.md
new file mode 100644
index 0000000..8abb1ef
--- /dev/null
+++ b/docs/WAVE0/ECR-046-CANDIDATE_REVIEW.md
@@ -0,0 +1,58 @@
+# ECR-046 Candidate Review — ExploreConfig · ScaleDefinition
+
+> **RESOLVED 2026-08-13（Human: Candidate Review → Auth/Spec/开码 → Closed）：**  
+> 首刀 = **ScaleDefinition 增量写** · **Closed** · Loop **STOP** · 禁自动 ECR-047  
+
+**Date:** 2026-08-13  
+**Mode:** Candidate Review **Approved** · Spec **Closed** · Coding **Closed**  
+**Anchors:** Next=`ECR-047`（禁自动开）· Max Migration=`000055`
+
+## 锁定现状
+
+| 项 | 状态 |
+|----|------|
+| ECR-041–045 | **CLOSED** · origin/main 齐平（至 045） |
+| ECR-008 | `PATCH /admin/scales/:id` · `admin.content.write` · **仅 status** · Live Promote **BLOCKED** |
+| ECR-040 | Explore scales **只读**（`explore.read` / `content.write`） |
+| Continuous Loop | **STOP**（045 Auth 耗尽） |
+| 硬 STOP | 支付 / UGC / soft-delete / Crisis·Handoff / Prompt / Knowledge / Chunk |
+
+## 相对 ECR-008 的增量边界（强制 · Spec 不得偏离）
+
+| 归属 | API | 权限 | 字段 |
+|------|-----|------|------|
+| **ECR-008（保持）** | `PATCH /admin/scales/{id}` | `admin.content.write` | **仅** `status` ∈ {published, draft} |
+| **ECR-046（新增）** | `POST/PUT /admin/explore/scales*` | `admin.explore.write` | **仅** `slug` · `title` · `description`（创建默认 `status=draft`） |
+
+**禁止：**
+
+- 在 explore 写路径改 `status`（避免双通道）  
+- 题干 / `scale_questions` CRUD  
+- `deleted_at` soft-delete  
+- 新建权限子系统  
+
+## 决议
+
+**ECR-046 = ExploreConfig · ScaleDefinition 元数据薄写面**
+
+拟议（Spec 细化）：
+
+- 复用表 `scales`  
+- 复用 `admin.explore.write`  
+- 审计 `explore.scale_definition.create|update`  
+- C 端：继续依赖 `status=published` 供给（由 ECR-008 PATCH 控制）；本刀可观察点 = admin 可创建/改元数据且 **不**绕过 content 上下架  
+- Migration：编码时占 **000055**（幂等确认 explore.write）  
+- Continuous Loop：**仅**单独 Auth 且 **仅限 ECR-046**；Closed → STOP · 禁自动 ECR-047  
+
+## 硬 STOP
+
+Prompt / Knowledge / Chunk · 支付 · UGC · soft-delete · Crisis/Handoff · 题干编辑 · 重复 status PATCH · ECR-008 Live Promote 解禁 · 自动下一刀  
+
+## 下一步（仍不写码）
+
+1. ~~Candidate Review approve · ScaleDefinition~~ **Done**  
+2. Human：批准 **ECR-046 专用** Write Authorization  
+3. Spec `ops-scale-definition-write` · ECR · BD（必须含上表增量矩阵）  
+4. 开码口令后才改 `apps/`  
+
+**本回合交付 = Candidate Review RESOLVED；无 Spec · 无 Auth Loop · 无 `apps/`。**
diff --git a/docs/WAVE0/ECR-046_WRITE_AUTHORIZATION.md b/docs/WAVE0/ECR-046_WRITE_AUTHORIZATION.md
new file mode 100644
index 0000000..8f224dc
--- /dev/null
+++ b/docs/WAVE0/ECR-046_WRITE_AUTHORIZATION.md
@@ -0,0 +1,21 @@
+# ExploreConfig Write Authorization — ECR-046 only
+
+| Field | Value |
+|-------|-------|
+| Date | 2026-08-13 |
+| Authorizer | Human |
+| Status | **Approved · ECR-046 Closed · Loop STOP** |
+| Scope | **ScaleDefinition 元数据薄写 ONLY** |
+| Continuous Loop | **Finished · STOP** |
+| After Closed | **STOP** · 禁止自动 ECR-047 |
+
+## Human 拍板
+
+1. Candidate Review = ScaleDefinition  
+2. Write Auth → Spec → 开码  
+3. 增量：`explore.write` → slug/title/description；`content.write` → status（ECR-008 独占）  
+4. 禁题干 / soft-delete / Prompt 族  
+
+## Hard STOP
+
+题干 CRUD · explore 路径改 status · Prompt/Knowledge/Chunk · 支付 · UGC · soft-delete · Crisis/Handoff · 自动 ECR-047 · ECR-008 Live Promote 解禁
diff --git a/proto/openapi.yaml b/proto/openapi.yaml
index cddf8b1..e797df3 100644
--- a/proto/openapi.yaml
+++ b/proto/openapi.yaml
@@ -1154,6 +1154,23 @@ paths:
           description: Unauthorized
         '403':
           description: Forbidden
+    post:
+      tags: [admin]
+      summary: Create ScaleDefinition metadata
+      description: >
+        Requires admin.explore.write · ECR-046 · fields slug/title/description ·
+        creates status=draft · status publish remains PATCH /admin/scales/{id} (ECR-008)
+      responses:
+        '200':
+          description: OK
+        '400':
+          description: Invalid
+        '401':
+          description: Unauthorized
+        '403':
+          description: Forbidden
+        '409':
+          description: Slug conflict
 
   /api/v1/admin/explore/scales/{id}:
     get:
@@ -1169,6 +1186,26 @@ paths:
           description: OK
         '404':
           description: Not found
+    put:
+      tags: [admin]
+      summary: Update ScaleDefinition metadata
+      description: Requires admin.explore.write · does not change status · ECR-046
+      parameters:
+        - in: path
+          name: id
+          required: true
+          schema: { type: string, format: uuid }
+      responses:
+        '200':
+          description: OK
+        '400':
+          description: Invalid
+        '403':
+          description: Forbidden
+        '404':
+          description: Not found
+        '409':
+          description: Slug conflict
 
   /api/v1/admin/explore/star-configs:
     get: