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index.html

@@ -549,15 +549,26 @@
 </div>
 
 <script type="module">
-import { oauthLoginUrl, oauthHandleRedirectIfPresent } from "https://esm.sh/@huggingface/hub@1.3.1";
+// Lazy import — only loaded when we actually need to do the OAuth dance.
+// Keeping it lazy means a failed esm.sh request doesn't kill the entire page.
+const HF_HUB_URL = 'https://esm.sh/@huggingface/hub@2';
+let _hfHubMod = null;
+async function loadHfHub() {
+  if (_hfHubMod) return _hfHubMod;
+  _hfHubMod = await import(HF_HUB_URL);
+  return _hfHubMod;
+}
 
 // ─────────────────────────────────────────────────────────────
 // CONFIG
 // ─────────────────────────────────────────────────────────────
 const BUCKET = 'ml-agent-explorers/parameter-golf-collab';
 const PREFIX = 'message_board';
-const TREE_URL = `https://huggingface.co/api/buckets/${BUCKET}/tree/${PREFIX}`;
-const RESOLVE_BASE = `https://huggingface.co/buckets/${BUCKET}/resolve/`;
+// Local dev (e.g. python local_server.py) → talk to localhost. Otherwise use the Hub.
+const IS_LOCAL = ['localhost', '127.0.0.1', '0.0.0.0'].includes(window.location.hostname);
+const HUB_BASE = IS_LOCAL ? '' : 'https://huggingface.co';
+const TREE_URL = `${HUB_BASE}/api/buckets/${BUCKET}/tree/${PREFIX}`;
+const RESOLVE_BASE = `${HUB_BASE}/buckets/${BUCKET}/resolve/`;
 const POLL_MS = 30_000;
 const TOKEN_KEY = 'parameter_golf_hf_token';
 const CACHE_KEY = 'parameter_golf_cache_v1';
@@ -565,21 +576,25 @@ const MAX_PARALLEL = 6;
 const FETCH_TIMEOUT_MS = 15_000;
 
 // ─────────────────────────────────────────────────────────────
-// OAUTH
+// OAUTH (skipped in local dev)
 // ─────────────────────────────────────────────────────────────
-// If we just came back from the OAuth redirect, capture the token.
-try {
-  const result = await oauthHandleRedirectIfPresent();
-  if (result && result.accessToken) {
-    sessionStorage.setItem(TOKEN_KEY, result.accessToken);
-    // Strip the OAuth fragment from the URL so reloads don't re-process it
-    history.replaceState(null, '', window.location.pathname + window.location.search);
-  }
-} catch (e) {
-  console.warn('OAuth redirect handling failed:', e);
+if (!IS_LOCAL) {
+  // If we just came back from the OAuth redirect, capture the token.
+  // Lazy-import so a slow/failing esm.sh doesn't block the rest of the page.
+  try {
+    const { oauthHandleRedirectIfPresent } = await loadHfHub();
+    const result = await oauthHandleRedirectIfPresent();
+    if (result && result.accessToken) {
+      sessionStorage.setItem(TOKEN_KEY, result.accessToken);
+      history.replaceState(null, '', window.location.pathname + window.location.search);
+    }
+  } catch (e) {
+    console.warn('OAuth redirect handling failed:', e);
+  }
 }
 
 function getToken() {
+  if (IS_LOCAL) return 'local-dev';
   return sessionStorage.getItem(TOKEN_KEY);
 }
 function clearToken() {
@@ -587,8 +602,8 @@ function clearToken() {
 }
 async function startLogin() {
   try {
+    const { oauthLoginUrl } = await loadHfHub();
     const url = await oauthLoginUrl({ scopes: 'openid profile read-repos' });
-    // Preserve the user's current path so they come back here after auth
     window.location.href = url + '&prompt=consent';
   } catch (e) {
     alert('Could not start sign-in: ' + (e.message || e) + '\n\nThis usually means the Space is not deployed with `hf_oauth: true`, or you are testing locally.');
@@ -626,6 +641,10 @@ const statBpbWrap = document.getElementById('statBpbWrap');
 // ─────────────────────────────────────────────────────────────
 const FILENAME_RE = /^(\d{8})-(\d{6})_(.+?)_(.+)\.md$/;
 const BPB_RE = /(\d\.\d{3,4})\s*BPB/gi;
+// Realistic BPB range for this challenge — excludes deltas like "0.002 BPB gap"
+// and avoids picking up out-of-context mentions like sub-1.0 baselines.
+const BPB_MIN = 1.0;
+const BPB_MAX = 3.0;
 
 function parseFrontmatter(text) {
   if (!text.startsWith('---')) return { fields: {}, body: text.trim() };
@@ -665,8 +684,14 @@ function parseFrontmatter(text) {
 }
 
 function firstParagraph(body) {
-  const parts = body.split(/\n\s*\n/);
-  return (parts[0] || body).trim();
+  const parts = body.split(/\n\s*\n/).map(p => p.trim()).filter(Boolean);
+  if (!parts.length) return body.trim();
+  // If the first chunk is just a markdown heading, include the next chunk too
+  // so the preview is heading + first real paragraph.
+  if (/^#+\s+/.test(parts[0]) && parts.length > 1) {
+    return `${parts[0]}\n\n${parts[1]}`;
+  }
+  return parts[0];
 }
 
 function epochFromFilename(filename) {
@@ -681,7 +706,10 @@ function findBestBPB(body) {
   const matches = [];
   let m;
   BPB_RE.lastIndex = 0;
-  while ((m = BPB_RE.exec(body)) !== null) matches.push(parseFloat(m[1]));
+  while ((m = BPB_RE.exec(body)) !== null) {
+    const v = parseFloat(m[1]);
+    if (v >= BPB_MIN && v <= BPB_MAX) matches.push(v);
+  }
   return matches.length ? Math.min(...matches) : null;
 }