feat(models): add bulk model deletion controls

tests/test_model_delete.py

@@ -0,0 +1,66 @@
+from mapper import ModelMapper
+
+
+def _configure_model_paths(monkeypatch, tmp_path, filenames):
+    import folder_paths
+
+    models_root = tmp_path / "models"
+    models_root.mkdir()
+    for filename in filenames:
+        target = models_root / filename
+        target.parent.mkdir(parents=True, exist_ok=True)
+        target.write_bytes(b"model")
+
+    monkeypatch.setattr(folder_paths, "folder_names_and_paths", {"checkpoints": ([], {})})
+    monkeypatch.setattr(folder_paths, "get_filename_list", lambda model_type: filenames if model_type == "checkpoints" else [])
+    monkeypatch.setattr(folder_paths, "get_folder_paths", lambda model_type: [str(models_root)] if model_type == "checkpoints" else [])
+    monkeypatch.setattr(folder_paths, "get_full_path", lambda model_type, filename: str(models_root / filename))
+    return models_root
+
+
+def test_delete_models_removes_only_a_known_model(monkeypatch, tmp_path):
+    models_root = _configure_model_paths(monkeypatch, tmp_path, ["nested/model.safetensors"])
+    mapper = ModelMapper()
+
+    result = mapper.delete_models([{
+        "model_type": "checkpoints",
+        "model_name": "nested/model.safetensors",
+    }])
+
+    assert result == [{
+        "model_type": "checkpoints",
+        "model_name": "nested/model.safetensors",
+        "status": "deleted",
+    }]
+    assert not (models_root / "nested/model.safetensors").exists()
+
+
+def test_delete_models_rejects_unknown_name(monkeypatch, tmp_path):
+    models_root = _configure_model_paths(monkeypatch, tmp_path, ["known.safetensors"])
+    mapper = ModelMapper()
+
+    result = mapper.delete_models([{
+        "model_type": "checkpoints",
+        "model_name": "../outside.safetensors",
+    }])
+
+    assert result[0]["status"] == "error"
+    assert (models_root / "known.safetensors").exists()
+
+
+def test_delete_models_rejects_path_outside_model_root(monkeypatch, tmp_path):
+    models_root = _configure_model_paths(monkeypatch, tmp_path, ["known.safetensors"])
+    outside = tmp_path / "outside.safetensors"
+    outside.write_bytes(b"do not remove")
+    import folder_paths
+    monkeypatch.setattr(folder_paths, "get_full_path", lambda *_: str(outside))
+    mapper = ModelMapper()
+
+    result = mapper.delete_models([{
+        "model_type": "checkpoints",
+        "model_name": "known.safetensors",
+    }])
+
+    assert result[0]["status"] == "error"
+    assert (models_root / "known.safetensors").exists()
+    assert outside.exists()