docs: drop stale frame-refusal comments after the iframe-proxy rework

lib/src/components/wall/IframePanel.tsx

@@ -150,8 +150,8 @@ export function IframePanel({ id, title, params }: PaneProps) {
   // Ask the host to front the target with its transparent proxy. The returned
   // URL is a loopback origin that serves the page's bytes (instrumented for
   // loopback) so Dormouse — now the server — gets a keyboard side-channel, an
-  // accurate focus model, and real error pages. Reachability/frame-refusal are
-  // diagnosed by the proxy and shown as a served page inside the frame.
+  // accurate focus model, and real error pages. Reachability is diagnosed by
+  // the proxy and shown as a served page inside the frame.
   const [resolution, setResolution] = useState<Resolution>(() => (sourceUrl ? { kind: 'resolving' } : { kind: 'empty' }));
   useEffect(() => {
     if (!sourceUrl) {

lib/src/components/wall/use-dor-control.ts

@@ -293,7 +293,7 @@ function dorCommandString(args: string[] | undefined): string | undefined {
 /**
  * The `dor` control plane: the webview handler for `dormouse:control-request`
  * events (the `surface.*` methods that back the `dor` CLI) plus its private
-   * surface-resolution/query helpers. This is CLI policy — surface targeting,
+ * surface-resolution/query helpers. This is CLI policy — surface targeting,
  * param coercion, command quoting, restart/integration timing — not wall layout;
  * the layout primitives it drives (`createSplitSurface`, `createContentSurface`,
  * `killPaneImmediately`, `buildDorSurfaces`, `surfaceRefForId`) are owned by the

lib/src/host/iframe-proxy.ts

@@ -79,7 +79,7 @@ let lastSweep = 0;
  * Stand up a loopback proxy in front of `targetUrl` and return the URL the
  * panel should frame, or a structured reason it could not. The actual upstream
  * fetch happens lazily when the iframe loads the returned URL, so reachability
- * and frame-refusal surface as served error pages rather than here.
+ * surfaces as a served error page rather than here.
  */
 export async function createIframeProxyUrl(
   targetUrl: string,