replace W-L-T with win percentage and add sortable column headers

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/main.js

@@ -57,8 +57,57 @@ const CACHE_KEY = "gg_board_v3";
 
 const $ = (id) => document.getElementById(id);
 const fmtPts = (n) => Number(n || 0).toLocaleString(undefined, { minimumFractionDigits: 1, maximumFractionDigits: 1 });
+const fmtWpct = (w, l, t) => { const g = (+w||0)+(+l||0)+(+t||0); return g ? ((+w||0)/g*100).toFixed(1)+'%' : '—'; };
 const fullName = (u = {}) => [u.firstName, u.lastName].filter(Boolean).join(" ").trim();
 
+/* ---- Sort state ---- */
+let sortState = { col: 'pts', dir: 'desc' };
+let lastState = null;
+
+const sortCols = {
+  pts:  { key: r => +(r.ITCPoints || 0),                                                               defaultDir: 'desc' },
+  name: { key: r => fullName(r.user || {}).toLowerCase() || '',                                        defaultDir: 'asc'  },
+  wpct: { key: r => { const g=(+r.wins||0)+(+r.losses||0)+(+r.ties||0); return g?(+r.wins||0)/g:-1; }, defaultDir: 'desc' },
+  rank: { key: r => +(r.placing || Infinity),                                                           defaultDir: 'asc'  },
+};
+
+function applySort(rows) {
+  const { col, dir } = sortState;
+  const sc = sortCols[col] || sortCols.pts;
+  return [...rows].sort((a, b) => {
+    const av = sc.key(a), bv = sc.key(b);
+    if (typeof av === 'string') return dir === 'asc' ? av.localeCompare(bv) : bv.localeCompare(av);
+    return dir === 'asc' ? av - bv : bv - av;
+  });
+}
+
+function updateSortHeaders() {
+  document.querySelectorAll('th[data-sort]').forEach(th => {
+    const arrow = th.querySelector('.sort-arrow');
+    if (arrow) arrow.textContent = th.dataset.sort === sortState.col ? (sortState.dir === 'asc' ? ' ▲' : ' ▼') : '';
+  });
+}
+
+function initSortHeaders() {
+  document.querySelectorAll('th[data-sort]').forEach(th => {
+    const arrow = document.createElement('span');
+    arrow.className = 'sort-arrow text-xs opacity-60';
+    th.appendChild(arrow);
+    th.addEventListener('click', () => {
+      const col = th.dataset.sort;
+      if (sortState.col === col) {
+        sortState.dir = sortState.dir === 'asc' ? 'desc' : 'asc';
+      } else {
+        sortState.col = col;
+        sortState.dir = (sortCols[col] || sortCols.pts).defaultDir;
+      }
+      updateSortHeaders();
+      if (lastState) render(lastState);
+    });
+  });
+  updateSortHeaders();
+}
+
 /* ---- Roster ---- */
 async function getMemberIds(force) {
   try {
@@ -122,6 +171,7 @@ function build(rows, ids) {
 
 /* ---- Render ---- */
 function render(state) {
+  lastState = state;
   const { kept, rosterSize, updated, live, fromCache } = state;
 
   $("dot").className = "w-2 h-2 rounded-full bg-success animate-pulse transition-colors";
@@ -147,7 +197,7 @@ function render(state) {
   const top = kept[0], tu = top.user || {};
   champ.classList.remove("hidden");
   $("champ-name").textContent = fullName(tu) || tu.nickname || "—";
-  $("champ-sub").textContent = `${top.wins || 0}–${top.losses || 0}–${top.ties || 0} · ITC #${top.placing ?? "—"}`;
+  $("champ-sub").textContent = `${fmtWpct(top.wins, top.losses, top.ties)} Win Rate · ITC #${top.placing ?? "—"}`;
   $("champ-pts").textContent = fmtPts(top.ITCPoints);
 
   // Stat strip
@@ -157,11 +207,11 @@ function render(state) {
     best = Math.min(...kept.map(r => +r.placing || Infinity));
   $("s-placed").textContent = kept.length;
   $("s-top").textContent = fmtPts(top.ITCPoints);
-  $("s-rec").textContent = `${W}–${L}–${T}`;
+  $("s-rec").textContent = fmtWpct(W, L, T);
   $("s-best").textContent = isFinite(best) ? ("#" + best) : "—";
 
   // Rows
-  kept.forEach((r, i) => {
+  applySort(kept).forEach((r, i) => {
     const u = r.user || {}, name = fullName(u) || u.nickname || "Unknown";
     const tr = document.createElement("tr");
     tr.innerHTML =
@@ -169,8 +219,7 @@ function render(state) {
       `<td><span class="font-semibold">${esc(name)}</span>` +
         `${u.nickname && fullName(u) ? `<span class="block text-xs text-base-content/40">"${esc(u.nickname)}"</span>` : ""}</td>` +
       `<td class="text-right font-mono font-bold">${fmtPts(r.ITCPoints)}</td>` +
-      `<td class="text-right font-mono hidden sm:table-cell">` +
-        `<span class="text-success">${r.wins || 0}</span>–<span class="text-error">${r.losses || 0}</span>–${r.ties || 0}</td>` +
+      `<td class="text-right font-mono hidden sm:table-cell">${fmtWpct(r.wins, r.losses, r.ties)}</td>` +
       `<td class="text-right font-mono text-base-content/40 hidden sm:table-cell">#${r.placing ?? "—"}</td>`;
     tb.appendChild(tr);
   });
@@ -270,5 +319,6 @@ const SAMPLE = (() => {
 
 /* ---- Go ---- */
 $("refresh").addEventListener("click", () => load(true));
+initSortHeaders();
 paintCache();
 load(false);