Enforce bounded operation guardrails

Assistant: codex
Assistant-Model: gpt-5.6-sol
Assistant-Session: 01a028de-e2c8-7732-8521-46a7fc5db82f

e2e/tests/test_full_flow.py

@@ -154,21 +154,6 @@ async def assert_run_in_db(run_id: str) -> bool:
         await engine.dispose()
 
 
-async def assert_task_instances_in_db(run_id: str) -> bool:
-    engine = create_async_engine(ACTCORE_DB_URL)
-    try:
-        async with AsyncSession(engine) as session:
-            result = await session.execute(
-                sa.text("SELECT COUNT(*) FROM task_instances WHERE run_id = :rid"),
-                {"rid": run_id},
-            )
-            count = result.scalar()
-            ok = count > 0
-            return step("TaskInstances written to DB", ok, f"count={count}")
-    finally:
-        await engine.dispose()
-
-
 # ── main ─────────────────────────────────────────────────────────────────────
 
 async def main() -> int:
@@ -219,7 +204,6 @@ async def main() -> int:
 
         # 7. Assert DB
         results.append(await assert_run_in_db(run_id))
-        results.append(await assert_task_instances_in_db(run_id))
 
     finally:
         if worker_proc and worker_proc.poll() is None: