feat(frontend): M3 AI建议中心默认未应用+类型过滤+Bot来源标签 (P0-②)

- 待批列表默认 status=unapplied(高危建议=人拍板入口)
- 新增 suggestion_type 过滤(全部/kpi_target/budget_adjust/action_plan)
- sourceLabel 补 bot: 'Bot建议'

frontend/src/views/SuggestionCenter.vue

@@ -3,6 +3,12 @@
     <div class="page-head">
       <h3>🤖 AI决策建议中心</h3>
       <div class="head-right">
+        <el-radio-group v-model="typeFilter" size="small" @change="loadList">
+          <el-radio-button value="">全部类型</el-radio-button>
+          <el-radio-button value="kpi_target">改KPI目标</el-radio-button>
+          <el-radio-button value="budget_adjust">调预算</el-radio-button>
+          <el-radio-button value="action_plan">建行动方案</el-radio-button>
+        </el-radio-group>
         <el-radio-group v-model="statusFilter" size="small" @change="loadList">
           <el-radio-button value="">全部</el-radio-button>
           <el-radio-button value="unapplied">未应用</el-radio-button>
@@ -112,7 +118,9 @@ import { ref, onMounted } from 'vue'
 import { ElMessage } from 'element-plus'
 import { aiSuggestionApi } from '../api/index'
 
-const statusFilter = ref('')
+// 待批列表默认"未应用"（高危建议=人拍板入口，应用过的历史不占首屏）；类型过滤支持高危两类+行动方案
+const statusFilter = ref('unapplied')
+const typeFilter = ref('')
 const items = ref<any[]>([])
 const loading = ref(false)
 const showApplyDialog = ref(false)
@@ -126,7 +134,7 @@ const sugTypeLabel = (t: string) => ({ kpi_target: '改KPI目标', budget_adjust
 const sugTagType = (t: string) => ({ kpi_target: 'warning', budget_adjust: 'danger', action_plan: 'primary' }[t] || 'info')
 const statusLabel = (s: string) => ({ unapplied: '未应用', applied: '已应用', dismissed: '已忽略' }[s] || s)
 const statusTagType = (s: string) => ({ unapplied: 'info', applied: 'success', dismissed: 'info' }[s] || 'info')
-const sourceLabel = (s: string) => ({ dashboard: '看板分析', kpi: 'KPI分析', budget: '预算分析', manual: '手动', rule: '规则' }[s] || s)
+const sourceLabel = (s: string) => ({ dashboard: '看板分析', kpi: 'KPI分析', budget: '预算分析', manual: '手动', rule: '规则', bot: 'Bot建议' }[s] || s)
 const applyTargetLabel = (t: string) => ({ kpi: 'KPI', budget: '预算', action_plan: '行动方案', alert: '预警' }[t] || t)
 
 function fmtVal(v: any): string {
@@ -139,6 +147,7 @@ async function loadList() {
   try {
     const params: any = {}
     if (statusFilter.value) params.status = statusFilter.value
+    if (typeFilter.value) params.suggestion_type = typeFilter.value
     const r: any = await aiSuggestionApi.list(params)
     items.value = ((r as any)?.data || []).map((s: any) => ({ ...s, showDetail: false }))
   } catch { items.value = [] }