feat(agent-browser): add opt-in preview data injection

electron/api/coding-composition.ts

@@ -213,6 +213,9 @@ export function createCodingComposition(
   const dataService = createDataServiceOperations({ projects });
   productTools.configureDataService(dataService);
   previewDataSession = createPreviewDataSessionManager({ projects });
+  if (typeof options.browser.configurePreviewDataSession === 'function') {
+    options.browser.configurePreviewDataSession(previewDataSession);
+  }
   const unsubscribeBrowserLifecycle = typeof options.browser.subscribeLifecycle === 'function'
     ? options.browser.subscribeLifecycle((event) => {
       previewDataSession?.handleAgentBrowserLifecycle(event);
@@ -236,6 +239,9 @@ export function createCodingComposition(
     },
     async shutdown() {
       previewDataSession?.dispose();
+      if (typeof options.browser.configurePreviewDataSession === 'function') {
+        options.browser.configurePreviewDataSession(undefined);
+      }
       unsubscribeBrowserLifecycle();
       await subagents.close();
       await runtime.shutdown();

electron/api/context.ts

@@ -28,6 +28,7 @@ export interface AgentBrowserService {
     url: string;
     bounds?: AgentBrowserBounds;
     visible?: boolean;
+    injectProjectData?: boolean;
   }): Promise<AgentBrowserSnapshot>;
   present(input: {
     projectPath: string;

electron/api/routes/agent-browser.ts

@@ -11,6 +11,7 @@ type AgentBrowserBody = {
   url?: unknown;
   action?: unknown;
   visible?: unknown;
+  inject_project_data?: unknown;
   enabled?: unknown;
   bounds?: unknown;
   method?: unknown;
@@ -221,6 +222,7 @@ export async function handleAgentBrowserRoutes(
         url: targetUrl,
         bounds: parseBounds(body.bounds),
         visible: rendererPresentation && body.visible !== false,
+        ...(body.inject_project_data === true ? { injectProjectData: true } : {}),
       });
       await ensureProjectStillActive(ctx, project);
       emitState(ctx, 'agent-browser:show', browser);