feat(web): up avatars, follower count, and dedupe views/avg secondary

tests/web_fixtures.py

@@ -106,6 +106,16 @@ def build_db(tmp: str | Path) -> Path:
             )
         repo.set_video_status(103, "unfaved")
 
+        # UP 头像与最新粉丝数（UP 列表/详情展示用）
+        repo.apply_up_follower(
+            mid=1, name="UP A", follower=12345, following=5, now=ts("2026-10-30")
+        )
+        repo.apply_up_follower(
+            mid=2, name="UP B", follower=678, following=1, now=ts("2026-10-31")
+        )
+        repo.apply_video_up_face(101, "//i0.hdslb.com/bfs/face/a.jpg")
+        repo.apply_video_up_face(103, "//i0.hdslb.com/bfs/face/b.jpg")
+
         metrics = {
             101: {"view": 1000, "like": 100, "coin": 20, "favorite": 30, "share": 2, "reply": 10, "danmaku": 12},
             102: {"view": 5000, "like": 200, "coin": 50, "favorite": 100, "share": 10, "reply": 30, "danmaku": 40},