fix(agent-tars): share serialize error with html artifacts

apps/agent-tars/package.json

@@ -44,6 +44,7 @@
     "@agent-infra/mcp-server-browser": "workspace:*"
   },
   "devDependencies": {
+    "serialize-javascript": "6.0.2",
     "@modelcontextprotocol/sdk": "^1.7.0",
     "@electron-toolkit/preload": "^3.0.1",
     "@electron-toolkit/utils": "^4.0.0",

apps/agent-tars/src/main/ipcRoutes/action.ts

@@ -10,6 +10,7 @@ import fs, { readFile } from 'fs-extra';
 import { shell } from 'electron';
 import fetch from 'node-fetch';
 import FormData from 'form-data';
+import serialize from 'serialize-javascript';
 import {
   normalizeMessages,
   parseArtifacts,
@@ -145,7 +146,7 @@ export const actionRoute = t.router({
         .replace(
           ' <!-- DATA -->',
           '<script>window.__OMEGA_REPORT_DATA__ = ' +
-            JSON.stringify({
+            serialize({
               messages,
               artifacts,
             }) +

apps/agent-tars/src/renderer/mock/ipc.ts

@@ -111,6 +111,23 @@ export const createClient = () => ({
   runAgent: async () => {
     return 'Hello from mock agent';
   },
+
+  updateFileSystemSettings: async () => {
+    return true;
+  },
+
+  getSettings: async () => {
+    return {
+      model: {},
+      fileSystem: {
+        availableDirectories: ['/mock/path/to/allowed/directories'],
+      },
+      search: {},
+    };
+  },
+  getAllowedDirectories: async () => {
+    return ['/mock/path/to/allowed/directories'];
+  },
 });
 
 declare global {