Regenerate the matrix over the third wave

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

ui/dr-ui/src/recovery_ui.rs

@@ -46,14 +46,17 @@ use slint::ComponentHandle;
 use crate::library_ui::LibraryController;
 use crate::AppWindow;
 
-/// What the open question is about.
-///
-/// A thread-local rather than a field on `LibraryController`, because the
-/// question is asked *before* that controller has a catalog and is answered by
-/// callbacks wired at startup. Thread-local is sound here for the same reason
-/// [`crate::memory`]'s registry is: everything below runs on the Slint event
-/// loop thread, which is the only thread that has an `AppWindow` to show it
-/// on.
+// What the open question is about.
+//
+// A thread-local rather than a field on `LibraryController`, because the
+// question is asked *before* that controller has a catalog and is answered by
+// callbacks wired at startup. Thread-local is sound here for the same reason
+// `crate::memory`'s registry is: everything below runs on the Slint event
+// loop thread, which is the only thread that has an `AppWindow` to show it
+// on.
+//
+// Plain `//` rather than `///`: rustdoc does not document a macro invocation,
+// and `-D warnings` rejects a doc comment that can never be rendered.
 thread_local! {
     static PENDING: RefCell<Option<Pending>> = const { RefCell::new(None) };
 }