fix: ignore disabled zero-count pack purchase rewards

go/internal/server/gamedata/story_catalog.go

@@ -111,7 +111,12 @@ func loadStoryCatalog(db *sql.DB) (*StoryCatalog, error) {
 			return nil, fmt.Errorf("gamedata: invalid story pack%d buy rewards", id)
 		}
 		for i, count := range counts {
-			if count == 0 || types[i] == 0 {
+			// PackTable may retain a disabled reward slot with a real type/ID
+			// and zero count. It contributes no granted reward.
+			if count == 0 {
+				continue
+			}
+			if types[i] == 0 || count > math.MaxInt32 || types[i] > math.MaxInt32 || ids[i] > math.MaxInt32 {
 				rows.Close()
 				return nil, fmt.Errorf("gamedata: invalid story pack%d buy reward", id)
 			}

go/internal/server/gamedata/story_catalog_test.go

@@ -26,6 +26,11 @@ func TestStoryCatalogEnumeratesSeparateChainsAndContentTicketRules(t *testing.T)
 			raw = wire.AppendVarint(raw, 8, 1)
 			raw = wire.AppendVarint(raw, 9, 100)
 			raw = wire.AppendVarint(raw, 10, 19)
+			// An official-shaped disabled costume slot must be equivalent
+			// to omitting that slot; type and ID remain populated.
+			raw = wire.AppendVarint(raw, 8, 0)
+			raw = wire.AppendVarint(raw, 9, 200)
+			raw = wire.AppendVarint(raw, 10, 11)
 		}
 		if _, err = db.Exec("INSERT INTO PackTable VALUES(?,?)", pack.id, raw); err != nil {
 			t.Fatal(err)