phase 4

core/gpu/models/registry.py

@@ -0,0 +1,37 @@
+"""
+Model registry — manages loaded models and VRAM lifecycle.
+"""
+
+from __future__ import annotations
+
+import logging
+
+logger = logging.getLogger(__name__)
+
+_models: dict[str, object] = {}
+
+
+def get(name: str) -> object | None:
+    return _models.get(name)
+
+
+def put(name: str, model: object) -> None:
+    _models[name] = model
+    logger.info("Loaded %s", name)
+
+
+def unload(name: str) -> bool:
+    if name in _models:
+        del _models[name]
+        logger.info("Unloaded %s", name)
+        return True
+    return False
+
+
+def loaded() -> list[str]:
+    return list(_models.keys())
+
+
+def clear() -> None:
+    _models.clear()
+    logger.info("All models unloaded")