feat(HEL-421): 回补历史日历和指数并标记区间不完整

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: multica-agent <github@multica.ai>

xiaobai-datahub/tests/test_pipeline.py

@@ -69,6 +69,7 @@ class PipelineTests(unittest.TestCase):
         pipe, db = make_pipeline()
         ref = pipe.ingest_reference(TRADE_DATE)
         self.assertEqual(ref["stocks"], 2)
+        self.assertEqual(ref["calendar_from"], "20160101")
         result = pipe.run_dataset("daily", TRADE_DATE)
         self.assertEqual(result["state"], "published")
         self.assertEqual(result["rows"], 2)