Refactor geo re-resolve endpoint into geo_service and add typed response

backend/tests/test_routers/test_geo.py

@@ -48,7 +48,9 @@ async def geo_client(tmp_path: Path) -> AsyncClient:  # type: ignore[misc]
 
     transport = ASGITransport(app=app)
     async with AsyncClient(transport=transport, base_url="http://test") as ac:
-        await ac.post("/api/setup", json=_SETUP_PAYLOAD)
+        setup_payload = _SETUP_PAYLOAD.copy()
+        setup_payload["database_path"] = settings.database_path
+        await ac.post("/api/setup", json=setup_payload)
         login = await ac.post(
             "/api/auth/login",
             json={"password": _SETUP_PAYLOAD["master_password"]},
@@ -170,15 +172,15 @@ class TestReResolve:
     async def test_returns_200_with_counts(self, geo_client: AsyncClient) -> None:
         """POST /api/geo/re-resolve returns 200 with resolved/total counts."""
         with patch(
-            "app.routers.geo.geo_service.lookup_batch",
-            AsyncMock(return_value={}),
+            "app.routers.geo.geo_service.re_resolve_all",
+            AsyncMock(return_value={"resolved": 0, "total": 0}),
         ):
             resp = await geo_client.post("/api/geo/re-resolve")
 
         assert resp.status_code == 200
         data = resp.json()
-        assert "resolved" in data
-        assert "total" in data
+        assert data["resolved"] == 0
+        assert data["total"] == 0
 
     async def test_empty_when_no_unresolved_ips(self, geo_client: AsyncClient) -> None:
         """Returns resolved=0, total=0 when geo_cache has no NULL country_code rows."""