refactor: clean up duplicate imports and dead code

- Merge type and value imports from the same module into single imports
- Remove dead import-badges action (flow uses /api/admin/import/badges)
- Remove unused babel-plugin-react-compiler devDependency
- Remove stray test.txt file
- Update knip config: track css imports, drop redundant ignore entries
- Update contract test to drop obsolete dead-action assertion

src/app/admin/catalog/[id]/catalog-items-table/song-picker.tsx

@@ -11,13 +11,14 @@ import {
 } from "@/components/ui/select";
 import {
 	getCachedSongPickerOptions,
+	invalidateSongPickerCache,
 	loadSongPickerOptions,
 	type SoundtrackOption,
 } from "@/lib/client-cache/song-picker-cache";
 
 // Re-export so existing `import { invalidateSongPickerCache } from '.../song-picker'`
 // callsites keep working. New code should import from the lib module directly.
-export { invalidateSongPickerCache } from "@/lib/client-cache/song-picker-cache";
+export { invalidateSongPickerCache };
 
 interface Props {
 	value: number;