Implement multi-model detection in HVideoTool: updated the detection system to support multiple YOLO models simultaneously, enhancing detection capabilities. Reflected changes in the UI with a new model selection menu and updated documentation in README and CLAUDE.md to guide users on model management and configuration.

hvideotool/core/detection/cache.py

@@ -24,11 +24,13 @@ from .types import Detection
 _VERSION = 1
 
 
-def make_key(detector: str, model_path: str | None, yolo_conf: float, yolo_imgsz: int) -> dict:
-    """Identity of the detector that produced a cache; cache is only valid for a match."""
+def make_key(models: list[str], yolo_conf: float, yolo_imgsz: int) -> dict:
+    """Identity of the detector set that produced a cache; cache is only valid for a match.
+
+    Keyed by the (sorted) model **basenames** so it's portable across machines/paths.
+    """
     return {
-        "detector": detector,
-        "model_path": model_path or "",
+        "models": sorted(Path(m).name for m in models),
         "yolo_conf": round(float(yolo_conf), 4),
         "yolo_imgsz": int(yolo_imgsz),
     }