fix(browser): park webviews permanently paintable

Delete the renderer capture prep handshake and keep screenshots on the serialized invalidate/retry path. The capture harness now defaults to the production P1 attach-off parking check.

packages/app/src/browser-automation/handler.ts

@@ -1,9 +1,6 @@
 import type { SessionInboundMessage, SessionOutboundMessage } from "@getpaseo/protocol/messages";
 import { getDesktopHost, type DesktopHostBridge } from "@/desktop/host";
-import {
-  ensureResidentBrowserWebview as ensureResidentBrowserWebviewDefault,
-  installResidentBrowserCaptureBridge,
-} from "@/components/browser-webview-resident";
+import { ensureResidentBrowserWebview as ensureResidentBrowserWebviewDefault } from "@/components/browser-webview-resident";
 import { createWorkspaceBrowser } from "@/stores/browser-store";
 import {
   buildWorkspaceTabPersistenceKey,
@@ -43,7 +40,6 @@ export function mountBrowserAutomationHandler(
   options: BrowserAutomationHandlerOptions,
 ): () => void {
   const getHost = options.getHost ?? getDesktopHost;
-  const uninstallCaptureBridge = installResidentBrowserCaptureBridge();
   const unsubscribe = options.client.on("browser.automation.execute.request", (request) => {
     void handleBrowserAutomationRequest({
       client: options.client,
@@ -62,7 +58,6 @@ export function mountBrowserAutomationHandler(
   });
   return () => {
     unsubscribe();
-    uninstallCaptureBridge();
   };
 }