Function activate

extensions/vscode/src/extension.ts:28–371

(context: vscode.ExtensionContext)

}

export async function activate(context: vscode.ExtensionContext): Promise<void> {
  // ── Core infrastructure ───────────────────────────────────────────────────
  const client = new CgcMcpClient(context);
  const jobPoller = new JobPoller(new CgcService(client)); // use service on client before full start

  try {
    await client.ensureStarted();
    cgcEvents.emit("mcp:online");
  } catch (err) {
    cgcEvents.emit("mcp:offline");
    vscode.window.showWarningMessage(
      `CGC: Could not start MCP server — ${String(err)}. Check the CGC output channel.`
    );
  }

  const service = new CgcService(client);
  const statusBar = new CgcStatusBarItem(client);

  // ── UI providers ──────────────────────────────────────────────────────────
  const callGraphPanel = new CallGraphPanel(service);
  const dashboardPanel = new DashboardPanel(service, client);
  const sidebarControl = new SidebarControlPanel(service, client, context);

  const diagnostics = new CgcDeadCodeDiagnostics(service);
  const codeLensProvider = new CgcCodeLensProvider(service);
  const hoverProvider = new CgcHoverProvider(service);

  const bundlesProvider = new BundlesTreeProvider(service);
  const contextManager = new ContextManager(service, sidebarControl);

  contextManager.initializeContext().catch(err => {
    console.error("CGC: Context initialization failed", err);
  });

  // ─── Menu Context Management ────────────────────────────────────────────────
  const updateMenuContext = (editor: vscode.TextEditor | undefined) => {
    if (!editor) return;
    const pos = editor.selection.active;
    const lineText = editor.document.lineAt(pos.line).text;
    const isClass = /^\s*(?:pub\s+|private\s+|protected\s+|public\s+|static\s+|export\s+)?(?:class|interface|struct|enum|trait|protocol)\b/.test(lineText);
    const isFunction = /^\s*(?:pub\s+|private\s+|protected\s+|public\s+|static\s+|async\s+|export\s+)?(?:fun|fn|func|def|function|sub|method)\b/.test(lineText);
    
    vscode.commands.executeCommand("setContext", "cgc:isClass", isClass);
    vscode.commands.executeCommand("setContext", "cgc:isFunction", isFunction);
  };

  context.subscriptions.push(
    vscode.window.onDidChangeTextEditorSelection(e => updateMenuContext(e.textEditor)),
    vscode.window.onDidChangeActiveTextEditor(updateMenuContext)
  );
  updateMenuContext(vscode.window.activeTextEditor);

  const previousSignatures = new Map<string, string>();
  const watcher = vscode.workspace.createFileSystemWatcher("**/.codegraphcontext/**");

  context.subscriptions.push(
    statusBar,
    jobPoller,