Add project-aware boost to raw query

tests/test_api_storage.py

@@ -393,3 +393,26 @@ def test_project_update_endpoint_rejects_collisions(tmp_data_dir, monkeypatch):
 
     assert response.status_code == 400
     assert "collisions" in response.json()["detail"]
+
+
+def test_query_endpoint_accepts_project_hint(monkeypatch):
+    def fake_retrieve(prompt, top_k=10, filter_tags=None, project_hint=None):
+        assert prompt == "architecture"
+        assert top_k == 3
+        assert project_hint == "p04-gigabit"
+        return []
+
+    monkeypatch.setattr("atocore.api.routes.retrieve", fake_retrieve)
+
+    client = TestClient(app)
+    response = client.post(
+        "/query",
+        json={
+            "prompt": "architecture",
+            "top_k": 3,
+            "project": "p04-gigabit",
+        },
+    )
+
+    assert response.status_code == 200
+    assert response.json()["results"] == []