v0.5.0: NomadArch - Binary-Free Mode Release

Features:
- Binary-Free Mode: No OpenCode binary required
- NomadArch Native mode with free Zen models
- Native session management
- Provider routing (Zen, Qwen, Z.AI)
- Fixed MCP connection with explicit connectAll()
- Updated installers and launchers for all platforms
- UI binary selector with Native option

Free Models Available:
- GPT-5 Nano (400K context)
- Grok Code Fast 1 (256K context)
- GLM-4.7 (205K context)
- Doubao Seed Code (256K context)
- Big Pickle (200K context)

packages/tauri-app/src-tauri/capabilities/main-window.json

@@ -0,0 +1,16 @@
+{
+  "$schema": "https://schema.tauri.app/capabilities.json",
+  "identifier": "main-window-native-dialogs",
+  "description": "Grant the main window access to required core features and native dialog commands.",
+  "remote": {
+    "urls": ["http://127.0.0.1:*", "http://localhost:*"]
+  },
+  "windows": ["main"],
+  "permissions": [
+    "core:default",
+    "core:menu:default",
+    "dialog:allow-open",
+    "opener:allow-default-urls",
+    "core:webview:allow-set-webview-zoom"
+  ]
+}