feat: add name blacklist to hide players from leaderboard

Adds a hidden player per request.

src/main.js

@@ -48,10 +48,21 @@ const CONFIG = {
   // Fallback roster if the team endpoint requires auth.
   memberIds: [],
 
+  // Names to hide from the leaderboard entirely (case-insensitive).
+  // Match on full name ("First Last") or nickname, whichever the player goes by.
+  blacklistNames: ["Hidden Player"],
+
   // Flip to true to preview the layout with placeholder rows (no network).
   useSample: false,
 };
 
+const BLACKLIST = new Set(CONFIG.blacklistNames.map(n => n.trim().toLowerCase()));
+function isBlacklisted(u = {}) {
+  const full = fullName(u).toLowerCase();
+  const nick = String(u.nickname || "").trim().toLowerCase();
+  return (full && BLACKLIST.has(full)) || (nick && BLACKLIST.has(nick));
+}
+
 const API = "https://newprod-api.bestcoastpairings.com/v1";
 const HEADERS = { "client-id": "web-app", "env": "bcp", "accept": "application/json" };
 const CACHE_KEY = "gg_board_v3";
@@ -279,7 +290,7 @@ function build(rows, ids) {
   const kept = [];
   for (const rec of rows) {
     const uid = rec.userId || (rec.user && rec.user.id);
-    if (uid && ids.has(uid)) kept.push(rec);
+    if (uid && ids.has(uid) && !isBlacklisted(rec.user || {})) kept.push(rec);
   }
   kept.sort((a, b) => Number(b.ITCPoints || 0) - Number(a.ITCPoints || 0));
   return kept;