Integrates tauri-plugin-updater and tauri-plugin-process to enable ClawPal self-updates. The Home page now checks for app updates and shows a download progress bar with an "Update & Restart" button. CI workflow wired to sign release artifacts with TAURI_SIGNING_PRIVATE_KEY. Generated with [Claude Code](https://claude.ai/code) via [Happy](https://happy.engineering) Co-Authored-By: Claude <noreply@anthropic.com> Co-Authored-By: Happy <yesreply@happy.engineering>