feat: enhance service discovery and proxy management

backend/tests/api/test_proxy.py

@@ -52,6 +52,38 @@ def test_list_proxies_returns_documents(client, monkeypatch: object):
     assert [item["proxy_port"] for item in body] == [8080, 8081]
 
 
+def test_list_services_uses_query_scan_root(client, monkeypatch):
+    captured = {}
+
+    def fake_get_all_services_in_dir(root):
+        captured["root"] = str(root)
+        return [
+            {
+                "name": "echo",
+                "ports": [9081],
+                "bindings": [],
+                "folder": "/root/play",
+            }
+        ]
+
+    monkeypatch.setattr(
+        proxy_router_module,
+        "get_all_services_in_dir",
+        fake_get_all_services_in_dir,
+    )
+
+    response = client.get("/proxy/services", params={"scan_root": "/root"})
+
+    assert response.status_code == 200
+    assert response.json() == {
+        "scan_root": "/root",
+        "services": [
+            {"name": "echo", "ports": [9081], "bindings": [], "folder": "/root/play"}
+        ],
+    }
+    assert captured["root"] == "/root"
+
+
 def test_get_proxy_returns_404_when_not_found(client, monkeypatch: object):
     async def fake_get_proxy_by_port(proxy_port: int) -> None:
         return None