Add AMD support via ort alternative to trt

.gitignore

@@ -13,7 +13,7 @@ compile_commands.json
 *.a
 *.so
 *.dylib
-
+*.json
 # Video files
 *.mp4
 *.mkv
@@ -27,6 +27,9 @@ external/*.onnx
 # Generated TensorRT engines (rebuilt by ORT / scripts/build_trt_engines.sh)
 trt_cache/
 
+# ORT pre-optimized model cache (generated on first run, provider-specific)
+ort_cache/
+
 # Gallery JSON files (generated)
 gallery.json
 gallery_*.json
@@ -57,6 +60,9 @@ __pycache__/
 .venv/
 venv/
 
+# Local secrets (API keys — never commit)
+.env
+
 # Editor / OS
 .vscode/
 .idea/