Bundle Cursor Chat Bridge into Portal runtime for 103 deploy.

Add prod runner and LaunchAgent installer so Tang chatBridge toggle can reach a live OpenAI-compatible bridge after env enablement.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/apply-tang-cursor-config-103.mjs

@@ -6,6 +6,7 @@
  * Usage:
  *   node scripts/apply-tang-cursor-config-103.mjs
  *   node scripts/apply-tang-cursor-config-103.mjs --apply
+ *   node scripts/apply-tang-cursor-config-103.mjs --apply --enable-chat-bridge
  */
 import process from 'node:process';
 import { execSync } from 'node:child_process';
@@ -38,6 +39,7 @@ RECOMMENDED.intentAllowlist = intentAllowlistFromFeatures(RECOMMENDED.features);
 
 async function main() {
   const apply = process.argv.includes('--apply');
+  const enableChatBridge = process.argv.includes('--enable-chat-bridge');
   const databaseUrl = execSync(
     "ssh -o BatchMode=yes -o ConnectTimeout=8 john@58.38.22.103 \"grep '^DATABASE_URL=' /Users/john/Project/Memind/.env | cut -d= -f2-\"",
     { encoding: 'utf8' },
@@ -49,10 +51,24 @@ async function main() {
     'SELECT config_json FROM h5_wechat_cursor_executor_config WHERE config_scope = ? LIMIT 1',
     ['global'],
   );
+  const target = {
+    ...RECOMMENDED,
+    features: {
+      ...RECOMMENDED.features,
+      ...(enableChatBridge
+        ? { [CURSOR_CHANNEL_FEATURES.CHAT_BRIDGE]: { enabled: true } }
+        : {}),
+    },
+  };
+  target.intentAllowlist = intentAllowlistFromFeatures(target.features);
+  if (enableChatBridge) {
+    target.meta = { ...target.meta, notes: '唐用户 Cursor 灰度 — 页面+问卷+定时任务+聊天 Bridge' };
+  }
+
   console.log('--- before ---');
   console.log(JSON.stringify(before[0]?.config_json ?? null, null, 2));
   console.log('--- target ---');
-  console.log(JSON.stringify(RECOMMENDED, null, 2));
+  console.log(JSON.stringify(target, null, 2));
 
   if (!apply) {
     console.log('\n(dry-run) 追加 --apply 写入生产库');
@@ -67,7 +83,7 @@ async function main() {
      ON DUPLICATE KEY UPDATE
       config_json = VALUES(config_json),
       updated_at = VALUES(updated_at)`,
-    [JSON.stringify(RECOMMENDED), now],
+    [JSON.stringify(target), now],
   );
 
   const [after] = await pool.query(