feat: add multi-server control panel and host-aware sync

tests/test_api.py

@@ -47,6 +47,31 @@ def test_get_models(client, mock_models_response):
         assert data["models"][0]["name"] == "llama2"
 
 
+def test_get_models_with_host_override(client, mock_models_response):
+    """Test host override is propagated to upstream models API call."""
+    with patch("requests.get") as mock_get:
+        mock_response = MagicMock()
+        mock_response.status_code = 200
+        mock_response.json.return_value = mock_models_response
+        mock_get.return_value = mock_response
+
+        response = client.get("/api/v1/models", params={"host": "http://example-host:11434"})
+        assert response.status_code == 200
+        assert mock_get.call_args.args[0] == "http://example-host:11434/api/tags"
+
+
+def test_health_with_invalid_host_returns_422(client):
+    """Invalid host query parameter must be rejected."""
+    response = client.get("/api/v1/health", params={"host": "not-a-url"})
+    assert response.status_code == 422
+
+
+def test_model_show_with_invalid_host_returns_422(client):
+    """Invalid host query parameter must be rejected on show endpoint."""
+    response = client.get("/api/v1/models/llama2/show", params={"host": "localhost:11434"})
+    assert response.status_code == 422
+
+
 def test_get_running_models(client):
     """Test getting running models (ollama ps)."""
     with patch("requests.get") as mock_get: