Merge branch 'codex/consolidate-1810' into codex/pr-queue-integration

frontend/src/api/client.ts

@@ -1,4 +1,4 @@
-import { abortableDelay } from '../utils/abortableDelay';
+import { abortableDelay } from '../utils/abortableDelay.ts';
 // Backend base URL.
 //   • VITE_API_URL                → explicit override (any deploy).
 //   • Tauri webview               → the local sidecar (127.0.0.1:<port>).

frontend/src/utils/backendCrash.ts

@@ -1,4 +1,4 @@
-import { abortableDelay } from './abortableDelay';
+import { abortableDelay } from './abortableDelay.ts';
 /**
  * backendCrash — frontend bridge to the desktop shell's crash forensics
  * (#941, src-tauri/src/crash.rs).