feat(ui): remove in-app entity switcher, entity fixed at login

- MainLayout/ReportCenter: drop switch-entity switcher, keep read-only entity tag
- KPIList/PredictDashboard/GrowthQuality: entity selectors locked to session entity
- api/index.ts: drop switchEntity/myEntities wrappers (endpoint kept for compat)
- sidebar brand now shows logged-in entity name

(cma-remove-inapp-entity-switcher-20260914)

frontend/src/views/KPIList.vue

@@ -35,18 +35,10 @@
 
       <!-- 右侧：搜索+表格 -->
       <div class="right-content">
-        <!-- 企业选择器 -->
+        <!-- 企业只读标识（不可点）：账套由登录窗口选定，页内无切换入口 -->
         <div class="entity-selector">
-          <span class="entity-label">🌐 企业：</span>
-          <el-select v-model="currentEntityId" @change="onEntityChange" style="width:200px">
-            <el-option
-              v-for="e in entities"
-              :key="e.id"
-              :label="e.short_name + ' / ' + e.name"
-              :value="e.id"
-            />
-          </el-select>
-          <span class="entity-name-hint">{{ currentEntityName }}</span>
+          <span class="entity-label">企业：</span>
+          <el-tag size="small" type="primary" effect="plain">{{ currentEntityName }}</el-tag>
         </div>
 
         <!-- 搜索栏 -->
@@ -413,7 +405,7 @@
 <script setup lang="ts">
 import { ref, reactive, onMounted, computed } from 'vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
-import { kpiApi, templateApi, dashboardApi, entityApi, userApi, orgApi } from '../api/index'
+import { kpiApi, templateApi, dashboardApi, userApi, orgApi } from '../api/index'
 import MyDialog from '../components/MyDialog.vue'
 import { useFormGuard, trackDialogForm } from '../composables/useFormGuard'
 
@@ -431,7 +423,6 @@ const searchCategory = ref('')
 const searchStatus = ref('active')
 
 // ── 企业选择 ──
-const entities = ref<any[]>([])
 const currentEntityId = ref(Number(localStorage.getItem('cma_entity_id') || 1))
 const currentEntityName = ref(localStorage.getItem('cma_entity_name') || '酣客')
 
@@ -880,29 +871,9 @@ async function doInstantiate() {
   }
 }
 
-// ── 企业选择 ──
-async function loadEntities() {
-  try {
-    const r: any = await entityApi.list()
-    entities.value = r.data || []
-    // Find current entity name
-    const cur = entities.value.find((e: any) => e.id === currentEntityId.value)
-    if (cur) currentEntityName.value = cur.short_name || cur.name
-  } catch (e) {
-    console.error('加载企业列表失败', e)
-  }
-}
-
-function onEntityChange(val: number) {
-  const cur = entities.value.find((e: any) => e.id === val)
-  currentEntityName.value = cur ? (cur.short_name || cur.name) : ''
-  page.value = 1
-  loadKpis()
-  loadCategories()
-}
+// ── 企业选择：已收敛为只读（2026-09-14 取消应用内切换，账套由登录窗口选定）──
 
 onMounted(() => {
-  loadEntities()
   loadCategories()
   loadKpis()
   loadDepts()

frontend/src/views/PredictDashboard.vue

@@ -331,10 +331,8 @@
               <template #header>预测参数</template>
               <el-form label-position="top">
                 <el-form-item label="企业实体">
-                  <el-select v-model="cfEntityId" style="width:100%;">
-                    <el-option label="陕西酣客（白酒经销）" :value="1" />
-                    <el-option label="陕西博海科技（IT服务）" :value="2" />
-                  </el-select>
+                  <!-- 只读：账套由登录窗口选定，页内不可切换 -->
+                  <el-tag size="small" type="primary" effect="plain">{{ cfEntityName }}</el-tag>
                 </el-form-item>
                 <el-form-item label="当前现金余额（万元）">
                   <el-input-number v-model="cfCurrentCash" :min="0" :precision="1" style="width:100%;" />
@@ -610,10 +608,9 @@ async function doScenario() {
 const cfLoading = ref(false)
 const cfEntityId = ref(Number(localStorage.getItem('cma_entity_id') || 1))
 
-// 监听企业切换
-window.addEventListener('storage', (e) => {
-  if (e.key === 'cma_entity_id') cfEntityId.value = Number(e.newValue || 1)
-})
+// 账套由登录窗口确定（应用内无切换入口）：不再监听 cma_entity_id 变更，
+// 本页预测请求沿用会话账套（后端 token 优先，entity_id 以 token 绑定为准）。
+const cfEntityName = ref(localStorage.getItem('cma_entity_name') || `企业 #${Number(localStorage.getItem('cma_entity_id') || 1)}`)
 const cfCurrentCash = ref(30)
 const cfDays = ref(30)
 const cfResult = ref<any>({})

frontend/src/views/ReportCenter.vue

@@ -4,18 +4,8 @@
     <div class="report-header">
       <h3 class="page-title">📊 CMA管理报表</h3>
       <div class="header-right">
-        <!-- 固定企业版（Phase C）：页内切换下拉隐藏，显示当前企业 tag -->
-        <el-tag v-if="isFixedEntity()" size="small" type="primary" effect="plain">{{ currentEntityNameTag }}</el-tag>
-        <el-select
-          v-else
-          v-model="currentEntityId"
-          size="small"
-          style="width:180px"
-          placeholder="选择企业"
-          @change="onEntityChange"
-        >
-          <el-option v-for="e in entities" :key="e.id" :label="e.short_name + ' / ' + e.name" :value="e.id" />
-        </el-select>
+        <!-- 企业只读标识（不可点）：账套由登录窗口选定，页内无切换入口 -->
+        <el-tag size="small" type="primary" effect="plain" class="entity-tag">{{ currentEntityNameTag }}</el-tag>
         <el-date-picker
           v-model="reportPeriod"
           type="month"
@@ -630,18 +620,17 @@
 import { ref, reactive, computed, onMounted, nextTick } from 'vue'
 import { ElMessage } from 'element-plus'
 import axios from 'axios'
-import { isFixedEntity, getFixedEntityId } from '../utils/entity'
+import { getFixedEntityId } from '../utils/entity'
 
 // ── 状态 ──
 const loading = ref(false)
 const activeTab = ref('profit')
 const reportPeriod = ref('2026-06')
 
-// ── 企业选择（新30号准则报表联动）──
-const entities = ref<any[]>([])
+// ── 当前企业（只读）：2026-09-14 需求——登录即定企业，页内无切换入口
 const currentEntityId = ref(Number(localStorage.getItem('cma_entity_id') || 1))
 
-// 固定企业版：页内切换下拉隐藏，右上角显示当前企业 tag
+// 右上角只读企业标识（不可点）
 const currentEntityNameTag = computed(() => {
   const f = getFixedEntityId()
   const n = localStorage.getItem('cma_entity_name')
@@ -649,50 +638,12 @@ const currentEntityNameTag = computed(() => {
 })
 
 function getEntityId() {
-  // 固定企业版恒取构建锁定值（防 localStorage 残留串账套）；切换版取登录/切换写入值
+  // 固定企业版恒取构建锁定值（防 localStorage 残留串账套）；默认版取登录时写入值
   const f = getFixedEntityId()
   if (f !== undefined) return f
   return Number(localStorage.getItem('cma_entity_id') || currentEntityId.value || 1)
 }
 
-async function loadEntities() {
-  try {
-    const r: any = await api.get('/auth/my-entities')
-    entities.value = r.data || r || []
-    const e = entities.value.find((x: any) => x.id === currentEntityId.value)
-    if (e) localStorage.setItem('cma_entity_name', e.short_name || e.name || '')
-  } catch {
-    entities.value = []
-  }
-}
-
-async function onEntityChange(id: number) {
-  // 账套模式：切换走 switch-entity 重新签发token + 整页刷新
-  if (id === Number(localStorage.getItem('cma_entity_id'))) return
-  try {
-    const r: any = await api.post('/auth/switch-entity', { entity_id: id })
-    localStorage.setItem('cma_token', r.token)
-    localStorage.setItem('cma_entity_id', String(r.entity_id))
-    localStorage.setItem('cma_entity_name', r.entity_short_name || r.entity_name || '')
-    ElMessage.success(`已切换企业：${r.entity_short_name || r.entity_name || id}`)
-    location.reload()
-  } catch (e: any) {
-    ElMessage.error(e?.response?.data?.detail || '切换失败')
-  }
-}
-
-// 跨页面同步：其他页面切换企业时联动刷新（固定企业版忽略——该版本不存在切换）
-if (typeof window !== 'undefined') {
-  window.addEventListener('storage', (ev: StorageEvent) => {
-    if (isFixedEntity()) return
-    if (ev.key === 'cma_entity_id' && ev.newValue) {
-      currentEntityId.value = Number(ev.newValue)
-      loadAll()
-      loadStatutory()
-    }
-  })
-}
-
 // API 配置
 const api = axios.create({ baseURL: '/api/cma', timeout: 30000 })
 api.interceptors.request.use((config: any) => {
@@ -1078,7 +1029,6 @@ function onBudgetSort(sort: any) {
 }
 
 onMounted(() => {
-  if (!isFixedEntity()) loadEntities()
   loadKpiOptions()
   loadAll()
   loadStatutory()