refactor: 解耦 BRIDGE_MODE 与 DAEMON，禁用 DAEMON 降低内存占用

- 从 DEFAULT_BUILD_FEATURES 注释掉 DAEMON（内存占用过高）
- remoteControlServer 命令门控从 feature('DAEMON') && feature('BRIDGE_MODE')
  改为仅 feature('BRIDGE_MODE')，bridge 不再依赖 daemon
- --daemon-worker 快速路径改为运行时检测，未启用时输出明确错误提示

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/commands/remoteControlServer/index.ts

@@ -3,9 +3,14 @@ import { isBridgeEnabled } from '../../bridge/bridgeEnabled.js'
 import type { Command } from '../../commands.js'
 
 function isEnabled(): boolean {
-  if (!feature('DAEMON') || !feature('BRIDGE_MODE')) {
+  if (!feature('BRIDGE_MODE')) {
     return false
   }
+  if (feature('DAEMON')) {
+    return isBridgeEnabled()
+  }
+  // DAEMON feature disabled — still allow the command but warn at runtime
+  // that headless/daemon worker mode is unavailable.
   return isBridgeEnabled()
 }