feat(growth): same-day 1-day baselines for new videos

Let 1-day view growth use a zero baseline for videos published today, and the first successful sample for older videos ingested today, without mixing those into 7/30-day rankings.

tests/test_web_queries.py

@@ -15,7 +15,7 @@ from reaction_board.repository import Repository  # noqa: E402
 from reaction_board.timeutil import day_bounds  # noqa: E402
 from reaction_board.web.cache import DASHBOARD_CACHE  # noqa: E402
 from reaction_board.web.queries import DashboardQueries  # noqa: E402
-from tests.web_fixtures import DATES, build_db, write_config  # noqa: E402
+from tests.web_fixtures import DATES, FOLDER, build_db, resource, write_config  # noqa: E402
 
 FIXED_NOW = 1_793_459_000  # 2026-10-31 前后
 
@@ -46,7 +46,7 @@ def test_overview():
             assert overview["counts"]["candidates_pending"] == 1
             assert overview["totals"]["view"] == 1200 + 5200 + 120
             assert overview["interactions"] > 0
-            assert overview["view_delta"] == (100 + 100 + 0)  # 101/102 的日增量
+            assert overview["view_delta"] == (100 + 100 + 120)  # 101/102 跨日 + 103 当日发布
             assert overview["snapshot_health"]["total"] == 3
             assert overview["folders"][0]["media_count"] == 3
             assert overview["folders"][0]["ratio"] < 1
@@ -484,7 +484,7 @@ def test_about_payload():
             assert about["snapshot_days"] == 3
             assert about["snapshot_first_date"] == DATES[0]
             assert about["fans_start_date"] == DATES[0]
-            assert about["schema_version"] == 7
+            assert about["schema_version"] == 8
             assert about["analytics"] == {
                 "min_duration_seconds": 600,
                 "maturity_days": 2,
@@ -577,9 +577,13 @@ def test_growth_auto_falls_back_to_one_day():
             assert auto["available"] is True
             assert auto["growth_days"] == 1
             assert auto["days"] == 1
-            assert {item["aid"] for item in auto["items"]} == {101, 102}
+            assert {item["aid"] for item in auto["items"]} == {101, 102, 103}
             first = next(item for item in auto["items"] if item["aid"] == 101)
             assert first["growth"]["delta"] == 100  # 相邻日
+            assert first["growth"]["baseline"] == "snapshot"
+            today = next(item for item in auto["items"] if item["aid"] == 103)
+            assert today["growth"]["baseline"] == "zero"
+            assert today["growth"]["delta"] == 120
 
             forced7 = q.list_videos(sort="growth", growth_days=7)
             assert forced7["available"] is False
@@ -667,9 +671,10 @@ def test_overview_adjacent_previous_with_seed_and_dual_fields():
                 + overview["counts"]["unfaved"]
                 + overview["counts"]["removed"]
             )
-            # 当前=seed(=完成日数值)，相邻 previous=完成日本身 → 增量 0
+            # 101/102：当前=seed(=完成日数值)，相邻 previous=完成日本身 → 增量 0
+            # 103：当日发布，近 1 日相对 0，计入当前播放
             assert overview["view_delta_available"] is True
-            assert overview["view_delta"] == 0
+            assert overview["view_delta"] == 120
 
             growth = q.list_videos(sort="growth", growth_days=1)
             assert growth["available"] is True
@@ -678,6 +683,93 @@ def test_overview_adjacent_previous_with_seed_and_dual_fields():
                     assert item["growth"]["available"] is True
                     assert item["growth"]["delta"] == 0
                     assert item["growth"]["gap_days"] == 1
+                    assert item["growth"]["baseline"] == "snapshot"
+        finally:
+            db.close()
+
+
+def _view_metrics(view: int) -> dict[str, int]:
+    return {
+        "view": view, "like": 0, "coin": 0, "favorite": 0,
+        "share": 0, "reply": 0, "danmaku": 0,
+    }
+
+
+def test_same_day_growth_baselines():
+    """近 1 日：当日发布相对 0；更早发布用 view_open；7 日不用这两条退路。"""
+    with tempfile.TemporaryDirectory() as tmp:
+        db, q = setup(tmp)
+        try:
+            repo = Repository(db)
+            today = DATES[-1]
+            start = int(day_bounds(today)[0])
+            old_pub = int(day_bounds("2026-09-01")[0])
+
+            repo.upsert_snapshot(
+                today, 103, metrics=_view_metrics(200),
+                ok=True, err=None, captured_at=start + 3600,
+            )
+            repo.upsert_from_fav(
+                resource(105, up_mid=1, up_name="UP A", pubdate=old_pub),
+                FOLDER.media_id, was_added=True, now=start + 10,
+            )
+            repo.upsert_snapshot(
+                today, 105, metrics=_view_metrics(500),
+                ok=True, err=None, captured_at=start + 10,
+            )
+            repo.upsert_snapshot(
+                today, 105, metrics=_view_metrics(800),
+                ok=True, err=None, captured_at=start + 20,
+            )
+            repo.upsert_from_fav(
+                resource(106, up_mid=1, up_name="UP A", pubdate=old_pub),
+                FOLDER.media_id, was_added=True, now=start + 30,
+            )
+            repo.upsert_snapshot(
+                today, 106, metrics=_view_metrics(900),
+                ok=True, err=None, captured_at=start + 30,
+            )
+            repo.upsert_from_fav(
+                resource(107, up_mid=1, up_name="UP A", pubdate=old_pub),
+                FOLDER.media_id, was_added=True, now=start + 40,
+            )
+            repo.upsert_snapshot(
+                today, 107, metrics=_view_metrics(50),
+                ok=True, err=None, captured_at=start + 40,
+            )
+            db.write(lambda conn: conn.execute(
+                "UPDATE video SET pubdate = 0 WHERE aid = 107"
+            ))
+            DASHBOARD_CACHE.clear()
+
+            one = q.list_videos(sort="growth", growth_days=1, page_size=20)
+            by_aid = {item["aid"]: item for item in one["items"]}
+            assert 103 in by_aid and 105 in by_aid
+            assert 106 not in by_aid and 107 not in by_aid
+            assert by_aid[103]["growth"]["baseline"] == "zero"
+            assert by_aid[103]["growth"]["delta"] == 200
+            assert by_aid[103]["growth"]["gap_days"] == 0
+            assert by_aid[105]["growth"]["baseline"] == "open"
+            assert by_aid[105]["growth"]["delta"] == 300
+            assert by_aid[101]["growth"]["baseline"] == "snapshot"
+            assert by_aid[101]["growth"]["delta"] == 100
+
+            seven = q.list_videos(sort="growth", growth_days=7)
+            seven_aids = {item["aid"] for item in seven["items"]}
+            assert 103 not in seven_aids
+            assert 105 not in seven_aids
+
+            detail103 = q.video_detail(103)
+            assert detail103["growth"]["baseline"] == "zero"
+            assert detail103["growth"]["delta"] == 200
+            detail105 = q.video_detail(105)
+            assert detail105["growth"]["baseline"] == "open"
+            assert detail105["growth"]["delta"] == 300
+            assert q.video_detail(106)["growth"]["available"] is False
+            assert q.video_detail(107)["growth"]["available"] is False
+
+            overview = q.overview()
+            assert overview["view_delta"] == 100 + 100 + 200 + 300
         finally:
             db.close()
 
@@ -699,6 +791,7 @@ def main_test():
     test_growth_auto_falls_back_to_one_day()
     test_snapshot_recent_next_run_follows_completion()
     test_overview_adjacent_previous_with_seed_and_dual_fields()
+    test_same_day_growth_baselines()
     print("OK: Web 查询层总览/榜单/详情/UP/时长效率/粉丝/候选/系统/访问统计测试全部通过")