fix: make signal source orchestration sqlite-safe

backend/app/services/signal/signal_source_orchestration/shared.py

@@ -54,3 +54,6 @@ COMPLETE_WORKER_WAIT_TIMEOUT_SECONDS = 6.0
 
 def _utc_now_naive() -> datetime:
     return now_cn_naive()
+
+
+__all__ = [name for name in globals() if not name.startswith("__")]

backend/tests/test_feishu_new_project_signal_sources.py

@@ -1,12 +1,15 @@
 from __future__ import annotations
 
+import os
 from datetime import datetime
 
 import pytest
 import pytest_asyncio
-from sqlalchemy import select
+from sqlalchemy import JSON, select
 from sqlalchemy.ext.asyncio import async_sessionmaker, create_async_engine
 
+os.environ["DATABASE_URL"] = "sqlite+aiosqlite:///:memory:"
+
 from app.models.base import Base
 from app.models.project import Project
 from app.models.project_signal_link import ProjectSignalLink
@@ -17,9 +20,17 @@ from app.models.user_project import UserProject
 from app.services.signal.signal_capture_service import ProactiveSignalCaptureService
 
 
+def _use_sqlite_json_types() -> None:
+    for table in (User.__table__, SignalSourceRegistry.__table__):
+        for column in table.columns:
+            if column.name in {"assigned_domains", "config", "raw_context"}:
+                column.type = JSON()
+
+
 @pytest_asyncio.fixture
 async def db_session():
     engine = create_async_engine("sqlite+aiosqlite:///:memory:")
+    _use_sqlite_json_types()
     async with engine.begin() as conn:
         await conn.run_sync(
             lambda sync_conn: Base.metadata.create_all(
@@ -126,6 +137,7 @@ async def test_auto_create_project_from_new_signal_persists_signal_sources(db_se
     signal_row = (
         await db_session.execute(select(Signal).where(Signal.id == int(signal.id), Signal.tenant_id == 1))
     ).scalar_one()
+    await db_session.refresh(signal_row)
     assert signal_row.processed is True
 
     registries = (

backend/tests/test_signal_source_requirement_materialization.py

@@ -1,10 +1,14 @@
 from __future__ import annotations
 
+import os
+
 import pytest
 import pytest_asyncio
-from sqlalchemy import select
+from sqlalchemy import JSON, select
 from sqlalchemy.ext.asyncio import async_sessionmaker, create_async_engine
 
+os.environ["DATABASE_URL"] = "sqlite+aiosqlite:///:memory:"
+
 from app.models.base import Base
 from app.models.project import Project
 from app.models.signal import Signal
@@ -13,9 +17,17 @@ from app.models.user import User
 from app.services.signal.signal_source_orchestration import SignalSourceOrchestrationService
 
 
+def _use_sqlite_json_types() -> None:
+    for table in (User.__table__, SignalSourceRegistry.__table__):
+        for column in table.columns:
+            if column.name in {"assigned_domains", "config", "raw_context"}:
+                column.type = JSON()
+
+
 @pytest_asyncio.fixture
 async def db_session():
     engine = create_async_engine("sqlite+aiosqlite:///:memory:")
+    _use_sqlite_json_types()
     async with engine.begin() as conn:
         await conn.run_sync(
             lambda sync_conn: Base.metadata.create_all(