feat(sector-radar): add weighted scores and rank-change views

zhixing-server/tests/unit/sector_radar/test_read.py

@@ -158,7 +158,45 @@ def test_percentile_side_is_selected_before_search_and_pagination() -> None:
 
 
 def test_rank_change_uses_selected_metric_days_and_pool_sides() -> None:
-    reader = ReadSectorRadar(_published_repository())
+    from zhixing_server.modules.sector_radar.domain.persistence import (
+        PublicationSourceGroup,
+        PublicationSourceRecord,
+    )
+    from zhixing_server.modules.sector_radar.domain.source import build_source_snapshot
+
+    repository = _published_repository()
+    dates = [date(2026, 8, day) for day in [21, 24, 25, 26, 27, 28]]
+    calendar = build_source_snapshot(
+        api_name="trade_cal",
+        params={},
+        observed_at=NOW,
+        target_trade_date=TARGET_DATE,
+        rows=tuple({"exchange": "SSE", "cal_date": day.isoformat(), "is_open": 1} for day in dates),
+    )
+    repository.save_source_snapshots((calendar,))
+    repository.save_publication_sources(
+        (
+            PublicationSourceRecord(
+                "publication-success", PublicationSourceGroup.CALENDAR, 0, calendar
+            ),
+        )
+    )
+    old = _running("past-publication", dates[0])
+    repository.create_publication(old)
+    past = tuple(
+        replace(
+            row.observation,
+            trade_date=dates[0],
+            value=Decimal(index),
+            sector_code="BK9999.DC" if index == 5 else row.observation.sector_code,
+        )
+        for index, row in enumerate(_amount_rankings(), 1)
+    )
+    repository.save_rankings(
+        RankingRecord(old.publication_id, row) for row in rank_metric_observations(past)
+    )
+    repository.finish_publication(_finish(old, PublicationStatus.SUCCESS))
+    reader = ReadSectorRadar(repository)
     query = RadarQuery(
         view=RadarView.RANK_CHANGE,
         rank_change_metric=MetricKind.AMOUNT,
@@ -170,12 +208,14 @@ def test_rank_change_uses_selected_metric_days_and_pool_sides() -> None:
     all_rows = reader.query(query)
 
     assert top.total == 1
-    assert top.rows[0].rank_change(5) == 5
+    assert top.rows[0].rank_change(5) == 9
     assert bottom.total == 1
-    assert bottom.rows[0].rank_change(5) == -4
+    assert bottom.rows[0].rank_change(5) == -9
     assert all_rows.total == 10
     assert all_rows.rows[-1].observation.sector_code == "BK0005.DC"
     assert all_rows.rows[-1].rank_change(5) is None
+    assert top.comparison_trade_date == dates[0]
+    assert top.rank_change_values["BK0001.DC"][MetricKind.AMOUNT] == 9
 
 
 def test_latest_partial_attempt_is_visible_but_does_not_replace_last_good() -> None: