feat: add business line permissions and Wayne namespace mapping

frontend/src/components/BusinessLineSwitcher.vue

@@ -5,7 +5,7 @@
         class="bl-ic"
         :style="{ background: currentBL?.iconBg, color: currentBL?.iconColor }"
       >
-        {{ currentBL?.iconText }}
+        {{ currentBL?.iconText || 'BL' }}
       </div>
       <span class="bl-name-trigger">{{ currentBL?.name || '未选择' }}</span>
       <span class="bl-role" v-if="currentBL">{{ currentBL.role }} · 授权 {{ authCount }} 子系统</span>
@@ -32,7 +32,7 @@
             <div class="bl-sub">{{ bl.ou }} · {{ bl.role }}</div>
           </div>
           <span v-if="bl.authorized" class="bl-check">✓</span>
-          <span v-else class="bl-lock">🔒 无权限</span>
+          <span v-else class="bl-lock">无权限</span>
         </div>
       </div>
     </Transition>
@@ -72,6 +72,9 @@ function onClickOutside(e: MouseEvent) {
 
 onMounted(() => {
   document.addEventListener('click', onClickOutside)
+  blStore.loadMine().catch(() => {
+    // 页面其他接口会统一展示登录状态，这里只保持切换器为空态。
+  })
 })
 
 onUnmounted(() => {

frontend/src/components/Layout/AppSidebar.vue

@@ -63,6 +63,12 @@
       <router-link to="/subsystem/authz" class="nav-item" active-class="active">
         <span class="ic">▦</span>子系统赋权
       </router-link>
+      <router-link v-if="isPlatformAdmin" to="/business-line/manage" class="nav-item" active-class="active">
+        <span class="ic">▤</span>业务线管理
+      </router-link>
+      <router-link v-if="isBusinessLineAdmin" to="/business-line/assignment" class="nav-item" active-class="active">
+        <span class="ic">▥</span>业务线分配
+      </router-link>
     </div>
     <div class="nav-group">
       <div class="nav-label">审计</div>
@@ -81,9 +87,15 @@
 <script setup lang="ts">
 import { ref, computed } from 'vue'
 import { useRoute } from 'vue-router'
+import { useAuthStore } from '@/stores/auth'
+import { useBusinessLineStore } from '@/stores/businessLine'
 
 const route = useRoute()
+const authStore = useAuthStore()
+const businessLineStore = useBusinessLineStore()
 const portalExpanded = ref(true)
+const isPlatformAdmin = computed(() => authStore.user?.is_admin === true)
+const isBusinessLineAdmin = computed(() => businessLineStore.isCurrentAdmin)
 
 const subsystems = [
   { name: 'Wayne', label: '多集群发布平台', icon: 'W' },