fix: make inbox confirmation retry safe

apps/web_v1/src/pages/projects/project-inbox.tsx

@@ -1,6 +1,7 @@
 import { useMemo, useRef, useState } from 'react'
 import { Alert, Button, Card, Checkbox, Empty, Space, Tag, Typography } from '@arco-design/web-react'
 import { IconCheckCircle, IconRobot } from '@arco-design/web-react/icon'
+import { ApiError } from '../../api/client'
 import type { InboxSuggestionDTO } from '../../api/inbox'
 import type { InboxConfirmationOutcome, InboxItem, ProjectWorkspace } from './project-types'
 
@@ -76,7 +77,7 @@ export function ProjectInbox({ activeWorkspace, onAnalyze, onConfirm }: ProjectI
       setSuccess(`已创建 ${outcome.createdCount} 个对象`)
       setRefreshWarning(outcome.refreshError ?? '')
     } catch (reason) {
-      setError(reason instanceof Error ? reason.message : '确认创建失败，请稍后重试')
+      setError(confirmationErrorMessage(reason))
     } finally {
       setConfirming(false)
     }
@@ -191,7 +192,7 @@ export function ProjectInbox({ activeWorkspace, onAnalyze, onConfirm }: ProjectI
                   <Button
                     type="primary"
                     loading={confirming}
-                    disabled={analyzing || isInboxItemProcessed(selectedItem, locallyConfirmedItemIds) || draftSuggestions.length === 0}
+                    disabled={confirming || analyzing || isInboxItemProcessed(selectedItem, locallyConfirmedItemIds) || draftSuggestions.length === 0}
                     onClick={() => void confirmSelectedSuggestions()}
                   >
                     确认创建
@@ -206,6 +207,13 @@ export function ProjectInbox({ activeWorkspace, onAnalyze, onConfirm }: ProjectI
   )
 }
 
+function confirmationErrorMessage(reason: unknown) {
+  if (reason instanceof ApiError && (reason.code === 'network_error' || reason.code === 'invalid_response')) {
+    return '确认结果未知，服务端支持幂等处理，可安全重试'
+  }
+  return reason instanceof Error ? reason.message : '确认创建失败，请稍后重试'
+}
+
 function isInboxItemProcessed(item: InboxItem, locallyConfirmedItemIds: string[]) {
   return item.status !== 'open' || locallyConfirmedItemIds.includes(item.id)
 }