feat(admin): AI 预检卡片交互与消息组件完善

- 预检卡支持列映射、导入策略确认与生成导入向导
- 消息组件/API 契约配套更新，含集成测试

apps/admin/src/components/AiChat/AiMessageContent.tsx

@@ -19,6 +19,7 @@ import { DynamicReview } from './DynamicReview';
 import { ImportPreflightCard } from './ImportPreflightCard';
 import { LiteCodeHighlighter } from './LiteCodeHighlighter';
 import { LiteMermaid } from './LiteMermaid';
+import type { ResolveImportPreflightInput } from './api';
 import type {
   AiAttachment,
   AiChatMessage,
@@ -189,6 +190,11 @@ export interface AiMessageContentProps {
     type: AiReviewSectionType,
   ) => AiReviewSchema | Promise<AiReviewSchema> | void;
   onOpenImportWizard?: (runId: string) => void;
+  onResolveImportPreflight?: (
+    messageId: number | undefined,
+    preflight: AiImportPreflight,
+    input: ResolveImportPreflightInput,
+  ) => Promise<void> | void;
 }
 
 export const AiMessageContent: React.FC<AiMessageContentProps> = ({
@@ -202,6 +208,7 @@ export const AiMessageContent: React.FC<AiMessageContentProps> = ({
   onConfirmReviewStep,
   onConfirmReviewGroup,
   onOpenImportWizard,
+  onResolveImportPreflight,
 }) => {
   const streaming = status === 'loading' || status === 'updating';
   const formSubmission = message.metadata?.a2uiSubmit;
@@ -317,7 +324,22 @@ export const AiMessageContent: React.FC<AiMessageContentProps> = ({
       {(() => {
         const preflight = message.metadata?.a2uiImportPreflight;
         if (!preflight || typeof preflight !== 'object' || Array.isArray(preflight)) return null;
-        return <ImportPreflightCard preflight={preflight as AiImportPreflight} />;
+        const typedPreflight = preflight as AiImportPreflight;
+        return (
+          <ImportPreflightCard
+            preflight={typedPreflight}
+            onResolve={
+              onResolveImportPreflight
+                ? (input) =>
+                    onResolveImportPreflight(
+                      typeof message.id === 'number' ? message.id : undefined,
+                      typedPreflight,
+                      input,
+                    )
+                : undefined
+            }
+          />
+        );
       })()}
       {(() => {
         const wizard = message.metadata?.a2uiImportWizard as AiImportWizard | undefined;