fix(ai-context): include local tasks in prompt injection

apps/web/src/pages/ai-chat-page.tsx

@@ -17,6 +17,7 @@ import {
   type WebAiBindingSummary,
   type WebAiBindingsResponse,
   type WebAiChannel,
+  type WebAiLocalTaskContextItem,
   WebAiApiError
 } from "@/services/ai-api";
 import {
@@ -25,6 +26,7 @@ import {
   saveLocalAiChatSession,
   type LocalAiChatMessageRecord
 } from "@/services/local-ai-chat-repo";
+import { listLocalTasksByUser } from "@/services/local-task-repo";
 import type { WebSession } from "@/services/session-storage";
 import { CHANNEL_META, CHANNEL_ORDER } from "@/components/ai/ai-shared";
 
@@ -64,6 +66,23 @@ function appendMessage(
   };
 }
 
+function buildLocalTaskContext(
+  items: Awaited<ReturnType<typeof listLocalTasksByUser>>
+): WebAiLocalTaskContextItem[] {
+  return items
+    .filter((item) => item.status === "TODO" || item.status === "IN_PROGRESS")
+    .slice(0, 20)
+    .map((item) => ({
+      id: item.id,
+      title: item.title,
+      priority: item.priority,
+      status: item.status,
+      ddlAt: item.ddlAt,
+      contentText: item.contentText,
+      updatedAt: item.updatedAt
+    }));
+}
+
 export function AiChatPage({ session }: AiChatPageProps) {
   const navigate = useNavigate();
   const [bindingsResponse, setBindingsResponse] = useState<WebAiBindingsResponse | null>(null);
@@ -224,10 +243,12 @@ export function AiChatPage({ session }: AiChatPageProps) {
     );
 
     try {
+      const localTasks = buildLocalTaskContext(await listLocalTasksByUser(session.user.id));
       const response = await chatWithAi(session, {
         channel,
         message,
-        sessionId: sessionIds[channel]
+        sessionId: sessionIds[channel],
+        localTasks
       });
 
       setSessionIds((current) => ({

apps/web/src/services/ai-api.ts

@@ -56,6 +56,16 @@ export type WebAiChatResponse = {
   attempts: WebAiRouteAttempt[];
 };
 
+export type WebAiLocalTaskContextItem = {
+  id: string;
+  title: string;
+  priority: "LOW" | "MEDIUM" | "HIGH" | "URGENT";
+  status: "TODO" | "IN_PROGRESS" | "DONE" | "ARCHIVED";
+  ddlAt: number | null;
+  contentText: string | null;
+  updatedAt: number;
+};
+
 export class WebAiApiError extends Error {
   attempts: WebAiRouteAttempt[] | null;
 
@@ -92,7 +102,7 @@ async function createApiError(response: Response): Promise<WebAiApiError> {
       attempts?: WebAiRouteAttempt[];
     };
     const message = Array.isArray(body.message)
-      ? body.message.join("，")
+      ? body.message.join("；")
       : typeof body.message === "string" && body.message.trim().length > 0
         ? body.message
         : `请求失败（${response.status}）`;
@@ -101,7 +111,6 @@ async function createApiError(response: Response): Promise<WebAiApiError> {
     return new WebAiApiError(`请求失败（${response.status}）`);
   }
 }
-
 export async function listAiBindings(session: WebSession): Promise<WebAiBindingsResponse> {
   const response = await fetch(`${resolveApiBaseUrl()}/ai/bindings`, {
     method: "GET",
@@ -138,6 +147,7 @@ export async function chatWithAi(
     channel: WebAiChannel;
     message: string;
     sessionId?: string;
+    localTasks?: WebAiLocalTaskContextItem[];
   }
 ): Promise<WebAiChatResponse> {
   const response = await fetch(`${resolveApiBaseUrl()}/ai/chat`, {