fix(gateway): use GitHub URL for OpenClaw submodule and add token auth

- Change submodule URL from local path to https://github.com/openclaw/openclaw.git
- Checkout stable version v2026.2.3
- Add auto-generated gateway token (clawx-xxx) stored in electron-store
- Pass token via --token argument and OPENCLAW_GATEWAY_TOKEN env var
- Include token in WebSocket URL for authentication
- Add --dev and --allow-unconfigured flags for first-time setup

build_process/process.md

@@ -16,6 +16,7 @@
 * [commit_8] Chat interface - Markdown support, typing indicator, welcome screen
 * [commit_9] Skills browser - Bundles, categories, detail dialog
 * [commit_10] Cron tasks - Create/edit dialog, schedule presets, improved UI
+* [commit_11] OpenClaw submodule fix - GitHub URL, auto-generated token, WebSocket auth
 
 ### Plan:
 1. ~~Initialize project structure~~ ✅
@@ -42,6 +43,7 @@ All core features have been implemented:
 - Chat interface with markdown support
 - Skills browser with bundles
 - Cron tasks management for scheduled automation
+- OpenClaw submodule from official GitHub (v2026.2.3) with auto-token auth
 
 ## Version Milestones