fix: isolate WeChat runtime delivery path

tkmind-proxy.mjs

@@ -1430,6 +1430,7 @@ export function createTkmindProxy({
       sessionPolicy = null,
       recipe = null,
       disableImageReading = false,
+      origin = 'h5',
     } = {},
   ) {
     const resolvedWorkingDir = workingDir ?? await userAuth.resolveWorkingDir(userId);
@@ -1458,7 +1459,12 @@ export function createTkmindProxy({
       throw new Error('创建会话失败：缺少 session id');
     }
     await rememberSessionTarget(session.id, startTarget);
-    await sessionStore.registerAgentSession(userId, session.id, startTarget);
+    await sessionStore.registerSession({
+      userId,
+      sessionId: session.id,
+      target: startTarget,
+      origin: origin === 'wechat' ? 'wechat' : 'h5',
+    });
     const baseSessionScopedPolicy =
       typeof userAuth.getAgentSessionPolicy ===
       'function'