fix(analytics): shrink video efficiency and gate noisy boards by views

tests/test_web_queries.py

@@ -65,8 +65,8 @@ def test_video_listing_filters_and_sorting():
             heat = q.list_videos(sort="heat")
             aids = [item["aid"] for item in heat["items"]]
             assert 104 not in aids, "removed 视频不应进入榜单"
-            assert aids[0] == 102, aids
-            assert heat["items"][0]["heat"] > heat["items"][-1]["heat"]
+            # 综合热度榜应用最小播放门槛 2000：101（1200）与 103（120）被排除
+            assert aids == [102], aids
             assert heat["items"][0]["heat_percentile"] == 100.0
 
             views = q.list_videos(sort="view")
@@ -362,18 +362,27 @@ def test_duration_efficiency_queries():
             DASHBOARD_CACHE.clear()
 
             efficiency = q.list_videos(sort="efficiency")
-            assert [item["aid"] for item in efficiency["items"]] == [102, 101]
+            assert [item["aid"] for item in efficiency["items"]] == [102]
             first = efficiency["items"][0]
             assert first["duration"] == 7200
             assert first["content_hours"] == 2.0
-            assert first["efficiency"] == 2600.0
+            assert first["efficiency"] == 2600.0  # 原始播放/小时，详情页口径
+            assert abs(first["efficiency_score"] - 2207.5) < 0.1
             assert efficiency["duration_filter"] == {
-                "min_duration_seconds": 600, "maturity_days": 2, "min_view": 0,
+                "min_duration_seconds": 600, "maturity_days": 2,
+                "min_view": 2000, "shrink_minutes": 60,
             }
 
+            # 播放不足 2000 的视频不进入效率榜（101 只有 1200）
+            assert all(item["aid"] != 101 for item in efficiency["items"])
+
             interaction = q.list_videos(sort="interaction_efficiency")
-            assert [item["aid"] for item in interaction["items"]] == [102, 101]
-            assert interaction["items"][0]["interaction_efficiency"] == 181.0
+            assert [item["aid"] for item in interaction["items"]] == [102]
+            assert abs(interaction["items"][0]["interaction_efficiency_score"] - 159.36) < 0.1
+
+            # 综合热度榜也应用最小播放门槛
+            heat = q.list_videos(sort="heat")
+            assert [item["aid"] for item in heat["items"]] == [102]
 
             # 时长缺失不计入时长效率榜
             ups = q.list_ups(sort="efficiency")
@@ -405,6 +414,7 @@ def test_duration_efficiency_queries():
             assert fresh["items"] == []
             assert fresh["available"] is False
             assert "发布满 2 天" in fresh["reason"]
+            assert "播放 ≥ 2000" in fresh["reason"]
         finally:
             db.close()
 
@@ -422,7 +432,8 @@ def test_about_payload():
             assert about["analytics"] == {
                 "min_duration_seconds": 600,
                 "maturity_days": 2,
-                "min_view_for_efficiency": 0,
+                "min_view_for_ranking": 2000,
+                "video_shrink_minutes": 60,
                 "shrink_minutes": None,
             }
             assert about["heat_weights"]["view"] == 0.30