rebuild(migration): validate local legacy cutover

next/tests/test_operations.py

@@ -21,6 +21,7 @@ from backend.database.connection import Database
 from backend.database.migrations import MIGRATIONS, MigrationRunner
 from backend.features.market.events import MarketEventService, apply_event_revisions
 from backend.features.market.snapshot import build_realtime_inputs, build_snapshot
+from backend.http.errors import AppError
 from backend.jobs.repository import JobRepository
 from backend.jobs.service import JobAlreadyRunning, JobService
 from tests.support import run_scenario
@@ -108,6 +109,36 @@ def test_job_service_records_success_failure_attempts_and_exclusion(tmp_path) ->
     )
 
 
+def test_job_service_exposes_app_error_message_without_internal_tuple(tmp_path) -> None:
+    database = Database(tmp_path / "jobs.db")
+    MigrationRunner(database).upgrade(MIGRATIONS)
+    jobs = JobService(database, JobRepository())
+
+    with pytest.raises(AppError):
+        jobs.execute(
+            kind="market.refresh",
+            run_key="2026-07-30:failed",
+            requested_date="2026-07-30",
+            trigger="administrator",
+            operation=lambda: (_ for _ in ()).throw(
+                AppError("market_data_unavailable", "收盘行情读取失败，已保留原有快照", 503)
+            ),
+            stale_after_seconds=120,
+        )
+
+    assert jobs.latest()[0]["error_message"] == "收盘行情读取失败，已保留原有快照"
+
+    with database.transaction() as connection:
+        connection.execute(
+            "UPDATE job_runs SET error_message = ? WHERE id = ?",
+            (
+                "('market_data_unavailable', '收盘行情读取失败，已保留原有快照', 503)",
+                jobs.latest()[0]["id"],
+            ),
+        )
+    assert jobs.latest()[0]["error_message"] == "收盘行情读取失败，已保留原有快照"
+
+
 class EventGateway:
     reason = "银行板块走强"