refactor: establish standalone application boundary

app/tests/test_heaven_realtime.py

@@ -5,10 +5,10 @@ import json
 import unittest
 from unittest.mock import MagicMock, patch
 
-from heaven_engine import _market_line_scores, build_manual_market_hexagram
-from realtime_aggregator import WebRealtimeAggregator
+from backend.data.realtime import WebRealtimeAggregator
+from backend.features.heaven.engine import _market_line_scores, build_manual_market_hexagram
 from server import DashboardService
-from tushare_client import (
+from backend.data.providers.tushare_client import (
     TushareClient,
     _filter_members_by_listing,
     _sector_coverage_issue,
@@ -307,7 +307,7 @@ class RealtimeAggregatorTests(unittest.TestCase):
         context.__enter__.return_value = response
         return context
 
-    @patch("realtime_aggregator.urllib.request.urlopen")
+    @patch("backend.data.realtime.urllib.request.urlopen")
     def test_transport_failure_is_retried(self, urlopen: MagicMock):
         urlopen.side_effect = [
             http.client.RemoteDisconnected("temporary disconnect"),
@@ -320,7 +320,7 @@ class RealtimeAggregatorTests(unittest.TestCase):
         self.assertEqual(payload["rc"], 0)
         self.assertEqual(urlopen.call_count, 2)
 
-    @patch("realtime_aggregator.urllib.request.urlopen")
+    @patch("backend.data.realtime.urllib.request.urlopen")
     def test_recent_success_is_used_after_retries_fail(self, urlopen: MagicMock):
         aggregator = WebRealtimeAggregator(retry_delay_seconds=0)
         urlopen.return_value = self._response({"rc": 0, "data": {"diff": []}})