feat: vscode extension (#59)

* feat: add initial VS Code extension plan and implementation tasks

* feat(vscode): added initial version of an Openchamber VSCode extension

* feat(vscode): enhance VS Code extension with theme integration and session management

* feat(vscode): implement connection status handling and overlay in VSCode layout

* feat: move extension to secondary sidebar

* chore: upgrade @opencode-ai/sdk to 1.0.150

* vscode: editor bridge, file picker, click-to-open in tool parts

* vscode: layout session lifecycle, theme sync, typography overrides

* ui: compact mode for vscode, model search, autocomplete width fixes

* perf: scroll force flag, raf placeholder, git polling backoff

* ui: tool output styling, markdown code block fix, gitignore

* refactor: update typography handling for VSCode runtime, remove unused styles

* docs: update README with VS Code extension details and add extension image

* docs: update changelog with new features and performance improvements

packages/vscode/tsconfig.webview.json

@@ -0,0 +1,30 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "lib": ["ES2022", "DOM", "DOM.Iterable"],
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "moduleDetection": "force",
+    "verbatimModuleSyntax": true,
+    "allowImportingTsExtensions": true,
+    "resolveJsonModule": true,
+    "jsx": "react-jsx",
+    "strict": true,
+    "skipLibCheck": true,
+    "noEmit": true,
+    "baseUrl": ".",
+    "types": ["vite/client"],
+    "paths": {
+      "@/*": ["../ui/src/*"],
+      "@vscode/*": ["./webview/*"],
+      "@openchamber/ui/*": ["../ui/src/*"]
+    }
+  },
+  "include": ["webview/**/*", "../ui/src/**/*"],
+  "exclude": [
+    "webview/components/**/*",
+    "webview/stores/**/*",
+    "webview/hooks/**/*",
+    "webview/App.tsx"
+  ]
+}