feat: wire code agent runs to tool mode

tkmind-proxy.mjs

@@ -1061,11 +1061,18 @@ export function createTkmindProxy({
     });
   }
 
-  async function reconcileSessionPolicyForUser(userId, sessionId) {
+  async function getSessionPolicyForToolMode(userId, toolMode = 'chat') {
+    if (toolMode === 'code' && userAuth.getCodeAgentSessionPolicy) {
+      return userAuth.getCodeAgentSessionPolicy(userId);
+    }
+    return userAuth.getAgentSessionPolicy(userId);
+  }
+
+  async function reconcileSessionPolicyForUser(userId, sessionId, { toolMode = 'chat' } = {}) {
     if (!userId || !sessionId) return;
     const target = await resolveTarget(sessionId);
     const workingDir = await userAuth.resolveWorkingDir(userId);
-    const sessionPolicy = await userAuth.getAgentSessionPolicy(userId);
+    const sessionPolicy = await getSessionPolicyForToolMode(userId, toolMode);
     const publishLayout = await userAuth.getUserPublishLayout(userId);
     const userMemories = conversationMemoryService?.listMemories
       ? await conversationMemoryService.listMemories(userId, { limit: 40 }).catch(() => [])
@@ -1091,7 +1098,13 @@ export function createTkmindProxy({
     );
   }
 
-  async function submitSessionReplyForUser(userId, sessionId, requestId, userMessage) {
+  async function submitSessionReplyForUser(
+    userId,
+    sessionId,
+    requestId,
+    userMessage,
+    { toolMode = 'chat' } = {},
+  ) {
     if (!userId || !sessionId) throw new Error('缺少会话信息');
     const owns = await userAuth.ownsSession(userId, sessionId);
     if (!owns) throw new Error('无权访问该会话');
@@ -1103,7 +1116,7 @@ export function createTkmindProxy({
       throw err;
     }
 
-    await reconcileSessionPolicyForUser(userId, sessionId);
+    await reconcileSessionPolicyForUser(userId, sessionId, { toolMode });
     await applySessionLlmProvider(sessionId);
 
     const user = await userAuth.getUserById(userId);