feat(core): initialize project skeleton with Electron + React + TypeScript

Set up the complete project foundation for ClawX, a graphical AI assistant:

- Electron main process with IPC handlers, menu, tray, and gateway management
- React renderer with routing, layout components, and page scaffolding
- Zustand state management for gateway, settings, channels, skills, chat, and cron
- shadcn/ui components with Tailwind CSS and CSS variable theming
- Build tooling with Vite, electron-builder, and TypeScript configuration
- Testing setup with Vitest and Playwright
- Development configurations (ESLint, Prettier, gitignore, env example)

electron-builder.yml

@@ -0,0 +1,81 @@
+appId: app.clawx.desktop
+productName: ClawX
+copyright: Copyright © 2026 ClawX
+compression: maximum
+
+directories:
+  output: release
+  buildResources: resources
+
+files:
+  - dist
+  - dist-electron
+  - package.json
+
+extraResources:
+  - from: resources/
+    to: resources/
+    filter:
+      - "**/*"
+
+publish:
+  - provider: github
+    owner: clawx
+    repo: clawx
+    releaseType: release
+
+mac:
+  category: public.app-category.productivity
+  icon: resources/icons/icon.icns
+  target:
+    - target: dmg
+      arch:
+        - universal
+    - target: zip
+      arch:
+        - universal
+  darkModeSupport: true
+  hardenedRuntime: true
+  gatekeeperAssess: false
+  entitlements: entitlements.mac.plist
+  entitlementsInherit: entitlements.mac.plist
+
+dmg:
+  contents:
+    - type: file
+      x: 130
+      y: 220
+    - type: link
+      path: /Applications
+      x: 410
+      y: 220
+
+win:
+  icon: resources/icons/icon.ico
+  target:
+    - target: nsis
+      arch:
+        - x64
+        - arm64
+  publisherName: ClawX Inc.
+
+nsis:
+  oneClick: false
+  allowToChangeInstallationDirectory: true
+  deleteAppDataOnUninstall: false
+  differentialPackage: true
+  createDesktopShortcut: true
+  createStartMenuShortcut: true
+
+linux:
+  icon: resources/icons
+  target:
+    - target: AppImage
+      arch:
+        - x64
+        - arm64
+    - target: deb
+      arch:
+        - x64
+  category: Utility
+  maintainer: ClawX Team