rebuild(stage-11): deliver deterministic heaven workflows

next/tests/test_market_data.py

@@ -21,9 +21,9 @@ from backend.data.policy import DataPolicyError, DataSourcePolicy
 from backend.data.providers.ifind import IfindProvider
 from backend.data.providers.tushare import TushareProvider
 from backend.data.repository import MarketRepository
+from backend.data.sentiment import calculate_sentiment
 from backend.database.connection import Database
 from backend.database.migrations import MIGRATIONS, MigrationRunner
-from backend.features.market.sentiment import calculate_sentiment
 from backend.features.market.snapshot import build_snapshot
 from backend.features.market.sync import MarketSnapshotService, SnapshotSyncError
 from tests.support import run_scenario
@@ -188,9 +188,7 @@ def test_ifind_top_level_tables_and_expired_access_token_are_handled() -> None:
 
 def test_trade_context_keeps_real_snapshot_date(tmp_path) -> None:
     market = gateway(tmp_path)
-    context = market.trade_context(
-        "2026-07-30", datetime(2026, 7, 30, 9, 10, tzinfo=SHANGHAI)
-    )
+    context = market.trade_context("2026-07-30", datetime(2026, 7, 30, 9, 10, tzinfo=SHANGHAI))
     assert context.requested_date == "2026-07-30"
     assert context.actual_date == "2026-07-29"
     assert context.carried_forward is True
@@ -288,6 +286,7 @@ def test_market_snapshot_units_and_yesterday_outcomes_are_deterministic() -> Non
         }
         for index, change in enumerate((10, 4, -10, 2, -2), start=1)
     ]
+
     def event(index, streak=1):
         return {
             "ts_code": f"00000{index}.SZ",
@@ -298,6 +297,7 @@ def test_market_snapshot_units_and_yesterday_outcomes_are_deterministic() -> Non
             "amount": 100,
             "limit_times": streak,
         }
+
     snapshot = build_snapshot(
         "2026-07-29",
         "2026-07-28",