Implement final changes from the code quality and deduplication opportunity audit

internal/adapters/whisperx/http_test.go

@@ -145,7 +145,7 @@ func TestHTTPClientDoesNotRetryOnNonRetryableStatus(t *testing.T) {
 	}
 }
 
-func TestHTTPClientInvalidJSONFailsAndDoesNotPromote(t *testing.T) {
+func TestHTTPClientInvalidJSONFailsAndDoesNotInstallOutput(t *testing.T) {
 	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		_, _ = w.Write([]byte(`not-json`))
 	}))