Cleanup/code cleanup 2026 03 (#45)

* chore: cleanup of unused exports and stuff

* fix: media and languages was broken for english media

* fix: embedding model load was broken on standalone

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Co-authored-by: hugo <hugoms@me.com>

tests/engine/EmbeddingEngine.test.ts

@@ -138,6 +138,7 @@ function createMockPipeline(): EmbeddingPipeline {
 function makeEngine(tmpDir: string): EmbeddingEngine {
   return new EmbeddingEngine({
     getIndexPath: (projectId: string) => path.join(tmpDir, `${projectId}.usearch`),
+    modelCacheDir: path.join(tmpDir, 'model-cache'),
     createPipeline: async () => createMockPipeline(),
   });
 }