function buildRows(historyKey: TGKey): ResultRow[] {
   const { slot }           = TGKey.parse(historyKey);
   let players: UserKey[]   = Attendance.players(historyKey);
   const rows: ResultRow[]  = [];
 
  // Fallback — read from history file directly
  if (players.length === 0) {
    const history = Store.read<{ scores: TGScore[] }>(TGKey.toHistoryPath(historyKey));
    if (history?.scores) {
      players = [...new Set(history.scores.map((s: TGScore) => s.userKey))];
    }
  }

   for (const userKey of players) {
     const chars = CharacterRegistry.forUser(userKey);
     // Find which character this user played in this TG
     // by checking score history
     for (const char of chars) {
       const score = Score.get({ character: char, slot });
       if (!score && chars.indexOf(char) < chars.length - 1) continue;
 
       const wrEntry = WRank.entry(char.name, char.nation);
       rows.push({
         character:   char,
         score:       score ?? undefined,
         position:    wrEntry ? {
           currentRank:  wrEntry.currentRank,
           previousRank: wrEntry.previousRank,
         } : undefined,
         leavesCount: Leaves.countForChar({ characterName: char.name }),
       });
       break;
     }
   }
 
   return rows;
 }