fix(api): scope stats report sources by project

apps/api/tests/test_stats_service_tenant_scope.py

@@ -0,0 +1,70 @@
+from __future__ import annotations
+
+from collections.abc import AsyncGenerator
+from contextlib import asynccontextmanager
+
+import pytest
+
+from src.services import stats_service as stats_service_module
+from src.services.stats_service import StatsService
+
+
+class _NoopRedis:
+    async def get(self, key: str) -> None:
+        return None
+
+    async def set(self, key: str, value: str, ex: int) -> None:
+        return None
+
+
+class _EmptyResult:
+    def all(self) -> list:
+        return []
+
+
+class _FakeDb:
+    async def execute(self, statement) -> _EmptyResult:
+        return _EmptyResult()
+
+
+@pytest.mark.asyncio
+async def test_stats_service_uses_default_project_for_db_context(monkeypatch) -> None:
+    seen_project_ids: list[str | None] = []
+
+    @asynccontextmanager
+    async def fake_db_context(project_id: str | None = None) -> AsyncGenerator[_FakeDb, None]:
+        seen_project_ids.append(project_id)
+        yield _FakeDb()
+
+    monkeypatch.setattr(stats_service_module, "get_db_context", fake_db_context)
+    monkeypatch.setattr(stats_service_module, "get_redis", lambda: _NoopRedis())
+
+    result = await StatsService().get_resolution_stats(days=7)
+
+    assert result["sample_size"] == 0
+    assert seen_project_ids == ["awoooi"]
+
+
+@pytest.mark.asyncio
+async def test_stats_service_allows_explicit_project_for_db_context(monkeypatch) -> None:
+    seen_project_ids: list[str | None] = []
+    seen_cache_keys: list[str] = []
+
+    @asynccontextmanager
+    async def fake_db_context(project_id: str | None = None) -> AsyncGenerator[_FakeDb, None]:
+        seen_project_ids.append(project_id)
+        yield _FakeDb()
+
+    class TrackingRedis(_NoopRedis):
+        async def get(self, key: str) -> None:
+            seen_cache_keys.append(key)
+            return None
+
+    monkeypatch.setattr(stats_service_module, "get_db_context", fake_db_context)
+    monkeypatch.setattr(stats_service_module, "get_redis", lambda: TrackingRedis())
+
+    result = await StatsService().get_ai_performance(days=7, project_id="vibework")
+
+    assert result["total_proposals"] == 0
+    assert seen_project_ids == ["vibework"]
+    assert seen_cache_keys == ["stats:vibework:ai_performance:7"]