* feat(vscode): status bar, auto-retry, session name, copy response, keyboard shortcuts, full stats
* feat(vscode): file decorations, bash terminal, session tree view
* feat(vscode): conversation history webview, slash completion, code lens
- conversation-history.ts: GsdConversationHistoryPanel webview panel using
getMessages() RPC; renders user/assistant turns with a Refresh button
- slash-completion.ts: GsdSlashCompletionProvider triggers on '/' at line
start in md/plaintext/ts/js; fetches getCommands() RPC and caches results
- code-lens.ts: GsdCodeLensProvider adds 'Ask GSD' lens above named
functions/classes in ts/js/py/go/rust; respects gsd.codeLens setting
- extension.ts: registers all three providers and new commands
(gsd.showHistory, gsd.askAboutSymbol)
- package.json: declares new commands and gsd.codeLens config toggle
c2cd8bcc0a