feat: add iOS safe area support for PWA header

Introduce CSS variables for safe-area in iOS PWA environments
Apply header padding based on safe-area top to header-safe-area element

packages/vscode/package.json

@@ -224,7 +224,7 @@
   },
   "dependencies": {
     "@openchamber/ui": "workspace:*",
-    "@opencode-ai/sdk": "^1.1.19",
+    "@opencode-ai/sdk": "^1.1.34",
     "adm-zip": "^0.5.16",
     "jsonc-parser": "^3.3.1",
     "react": "^19.1.1",