重构: confirmDialog抽composable+tool_result反向查找+search列限定

- FR-D5 抽 useConfirm 收敛 4 视图(Projects/ProjectDetail/Ideas/Settings)确认弹层重复
- FR-D4 replace_tool_result_content 正向 O(n) 改反向 rposition(审批替换命中最近,调用低频)
- FR-D2 search_vector SELECT * 改显式 14 列(消除隐式依赖,字段级精简待单独立项)

src/views/Projects.vue

@@ -124,6 +124,7 @@ import { formatDate } from '../utils/time'
 import { parseStack } from '../utils/project'
 import { projectStatusLabel as statusLabel, projectBadgeClass as stageClass } from '../constants/project'
 import ConfirmDialog from '../components/ConfirmDialog.vue'
+import { useConfirm } from '../composables/useConfirm'
 import type { ProjectRecord } from '../api/types'
 
 const router = useRouter()
@@ -133,20 +134,8 @@ const { t } = useI18n()
 // 状态映射统一走 ../constants/project(与 ProjectDetail/Tasks/Dashboard 一致)
 // formatDate 由 ../utils/time 提供（统一毫秒字符串解析，根治 Invalid Date）
 
-// ── 确认弹层（替代原生 window.confirm，后者在 Tauri webview 带 localhost 来源信息无法去除） ──
-const confirmState = ref({ visible: false, msg: '', resolve: null as null | ((v: boolean) => void) })
-function confirmDialog(msg: string): Promise<boolean> {
-  return new Promise(resolve => {
-    confirmState.value.msg = msg
-    confirmState.value.visible = true
-    confirmState.value.resolve = resolve
-  })
-}
-function answerConfirm(ok: boolean) {
-  confirmState.value.visible = false
-  confirmState.value.resolve?.(ok)
-  confirmState.value.resolve = null
-}
+// 确认弹层状态机抽至 composables/useConfirm(原 4 视图重复:Projects/ProjectDetail/Ideas/Settings)
+const { confirmState, confirmDialog, answerConfirm } = useConfirm()
 
 // ── 新建项目 ──
 const showCreateModal = ref(false)