i think working bracket runner

src/lib/pocketbase/services/matches.ts

@@ -13,6 +13,28 @@ export function createMatchesService(pb: PocketBase) {
       return transformMatch(result);
     },
 
+    // match Ids where the current lid is home_from_lid or away_from_lid
+    async getChildMatches(matchId: string): Promise<{ winner: Match | undefined, loser: Match | undefined }> {
+      logger.info("PocketBase | Getting child matches", matchId);
+      const match = await this.getMatch(matchId);
+      if (!match) throw new Error("Match not found")
+      
+      const result = await pb.collection("matches").getFullList({
+        filter: `tournament="${match.tournament.id}" && (home_from_lid = ${match.lid} || away_from_lid = ${match.lid})`,
+        expand: "tournament, home, away",
+      });
+
+      const winnerMatch = result.find(m => (m.home_from_lid === match.lid && !m.home_from_loser) || (m.away_from_lid === match.lid && !m.away_from_loser));
+      const loserMatch = result.find(m => (m.home_from_lid === match.lid && m.home_from_loser) || (m.away_from_lid === match.lid && m.away_from_loser));
+
+      console.log(winnerMatch, loserMatch)
+
+      return {
+        winner: winnerMatch ? transformMatch(winnerMatch) : undefined,
+        loser: loserMatch ? transformMatch(loserMatch) : undefined
+      }
+    },
+
     async createMatch(data: MatchInput): Promise<Match> {
       logger.info("PocketBase | Creating match", data);
       const result = await pb.collection("matches").create<Match>(data);