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/ui/src/components/chat/AgentMentionAutocomplete.tsx

@@ -129,7 +129,7 @@ export const AgentMentionAutocomplete = React.forwardRef<AgentMentionAutocomplet
   return (
     <div
       ref={containerRef}
-      className="absolute z-[100] min-w-[240px] max-w-[360px] max-h-60 bg-popover border border-border rounded-xl shadow-none bottom-full mb-2 left-0 w-max flex flex-col"
+      className="absolute z-[100] min-w-0 w-full max-w-[360px] max-h-60 bg-popover border border-border rounded-xl shadow-none bottom-full mb-2 left-0 flex flex-col"
     >
       <ScrollableOverlay outerClassName="flex-1 min-h-0" className="px-0">
         {agents.length ? (