fix(web): fix UP card layout and fan delta semantics

reaction_board/web/queries.py

@@ -474,11 +474,21 @@ class DashboardQueries:
             return None
         current = ok_rows[-1]
         previous = ok_rows[-2] if len(ok_rows) >= 2 else None
+        if previous is not None:
+            try:
+                gap = (
+                    date.fromisoformat(str(current["stat_date"]))
+                    - date.fromisoformat(str(previous["stat_date"]))
+                ).days
+            except ValueError:
+                gap = 0
+            if gap != 1:
+                previous = None
         baseline = None
         if latest:
             cutoff = _date_minus(latest, 7)
-            candidates = [row for row in ok_rows if str(row["stat_date"]) <= cutoff]
-            baseline = candidates[-1] if candidates else None
+            by_date = {str(row["stat_date"]): row for row in ok_rows}
+            baseline = by_date.get(cutoff)
         first = ok_rows[0]
         return {
             "mid": mid,
@@ -716,7 +726,7 @@ class DashboardQueries:
     def list_ups(
         self,
         *,
-        sort: str = "views",
+        sort: str = "avg_views",
         within_days: int | None = None,
         q: str | None = None,
         min_videos: int = 1,
@@ -944,9 +954,19 @@ class DashboardQueries:
             ok_rows = [row for row in rows if int(row["ok"]) == 1]
             current = ok_rows[-1] if ok_rows else rows[-1]
             previous = ok_rows[-2] if len(ok_rows) >= 2 else None
+            if previous is not None:
+                try:
+                    gap = (
+                        date.fromisoformat(str(current["stat_date"]))
+                        - date.fromisoformat(str(previous["stat_date"]))
+                    ).days
+                except ValueError:
+                    gap = 0
+                if gap != 1:
+                    previous = None
             cutoff = _date_minus(latest, 7)
-            baselines = [row for row in ok_rows if str(row["stat_date"]) <= cutoff]
-            baseline = baselines[-1] if baselines else None
+            by_date = {str(row["stat_date"]): row for row in ok_rows}
+            baseline = by_date.get(cutoff)
             first = ok_rows[0] if ok_rows else rows[0]
             return {
                 "mid": selected,