fix(logic): use sequential puzzle number instead of database ID

lib/dailyPuzzle.ts

@@ -96,8 +96,23 @@ export async function getOrCreateDailyPuzzle(genreName: string | null = null) {
 
         if (!dailyPuzzle) return null;
 
+        // Calculate puzzle number (sequential day count)
+        const whereClause = genreId
+            ? { genreId: genreId }
+            : { genreId: null, specialId: null };
+
+        const puzzleCount = await prisma.dailyPuzzle.count({
+            where: {
+                ...whereClause,
+                date: {
+                    lte: dailyPuzzle.date
+                }
+            }
+        });
+
         return {
             id: dailyPuzzle.id,
+            puzzleNumber: puzzleCount,
             audioUrl: `/api/audio/${dailyPuzzle.song.filename}`,
             songId: dailyPuzzle.songId,
             title: dailyPuzzle.song.title,
@@ -183,8 +198,19 @@ export async function getOrCreateSpecialPuzzle(specialName: string) {
 
         if (!dailyPuzzle) return null;
 
+        // Calculate puzzle number
+        const puzzleCount = await prisma.dailyPuzzle.count({
+            where: {
+                specialId: special.id,
+                date: {
+                    lte: dailyPuzzle.date
+                }
+            }
+        });
+
         return {
             id: dailyPuzzle.id,
+            puzzleNumber: puzzleCount,
             audioUrl: `/api/audio/${dailyPuzzle.song.filename}`,
             songId: dailyPuzzle.songId,
             title: dailyPuzzle.song.title,