Keep runtime files inside application support

src/engine.rs

@@ -1838,9 +1838,13 @@ mod sampling_tests {
     #[ignore = "requires the 80 GiB Flash checkpoint and Apple Metal"]
     fn metal_executes_real_flash_token() {
         configure_metal_sources().unwrap();
-        let path = Path::new(env!("CARGO_MANIFEST_DIR")).join(
-            "../ds4/gguf/DeepSeek-V4-Flash-IQ2XXS-w2Q2K-AProjQ8-SExpQ8-OutQ8-chat-v2-imatrix.gguf",
-        );
+        let path = crate::model::engine_artifacts(
+            ModelChoice::DeepSeekV4Flash,
+            false,
+            false,
+            &crate::app::models_path(),
+        )
+        .model;
         let model = Model::open_main(&path, ModelChoice::DeepSeekV4Flash).unwrap();
         let tokens = model.render_prompt(
             "You are a helpful assistant",