puzzle curators can discard the daily puzzle by downvoting it

modules/puzzle/src/main/DailyPuzzle.scala

@@ -19,7 +19,7 @@ final private[puzzle] class DailyPuzzle(
 
   private val cache =
     cacheApi.unit[Option[DailyPuzzle.WithHtml]] {
-      _.refreshAfterWrite(5 minutes)
+      _.refreshAfterWrite(1 minutes)
         .buildAsyncFuture(_ => find)
     }
 
@@ -43,7 +43,7 @@ final private[puzzle] class DailyPuzzle(
 
   private def findCurrent =
     colls.puzzle {
-      _.find($doc(F.day $gt DateTime.now.minusMinutes(24 * 60 - 15)))
+      _.find($doc(F.day $gt DateTime.now.minusDays(1)))
         .one[Puzzle]
     }
 

modules/puzzle/src/main/PuzzleApi.scala

@@ -97,7 +97,7 @@ final class PuzzleApi(
         import Puzzle.{ BSONFields => F }
         coll.one[Bdoc](
           $id(puzzleId.value),
-          $doc(F.voteUp -> true, F.voteDown -> true, F.id -> false)
+          $doc(F.voteUp -> true, F.voteDown -> true, F.day -> true, F.id -> false)
         ) flatMap {
           _ ?? { doc =>
             val prevUp   = ~doc.int(F.voteUp)
@@ -111,7 +111,12 @@ final class PuzzleApi(
                   F.voteUp   -> up,
                   F.voteDown -> down,
                   F.vote     -> ((up - down).toFloat / (up + down))
-                )
+                ) ++ {
+                  (newVote <= -100 && doc
+                    .getAsOpt[DateTime](F.day)
+                    .exists(_ isAfter DateTime.now.minusDays(1))) ??
+                    $unset(F.day)
+                }
               )
               .void
           }

modules/puzzle/src/main/PuzzleTrust.scala

@@ -59,7 +59,7 @@ final private class PuzzleTrustApi(colls: PuzzleColls)(implicit ec: scala.concur
     (rating - 1500) / 300
   } atLeast 0
 
-  private def patronBonus(user: User) = (~user.planMonths * 5) atMost 20
+  private def patronBonus(user: User) = (~user.planMonths * 5) atMost 15
 
   private def modBonus(user: User) =
     if (user.roles.exists(_ contains "ROLE_PUZZLE_CURATOR")) 100