Progress bar and steps while generating, loading, opening claims and travelling; saving chip (t30)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/ui/loop.js

@@ -16,6 +16,7 @@ function frame(now) {
   const dtReal = Math.min(0.25, (now - lastT) / 1000); lastT = now;
   if (SET.fpsCap && now - lastRender < 1000 / SET.fpsCap - 1) return;
   const dt = Math.min(0.1, (now - (lastRender || now)) / 1000) || 1 / 60; lastRender = now;
+  if (GAME.loading) { acc = 0; return; }
   if (!GAME.running) { pollPad(); return; }
   const t0 = performance.now();
   const pad = pollPad();
@@ -110,7 +111,7 @@ function boot(hotData) {
     const [w, h] = $('nw-size').value.split('x').map(Number);
     startNewWorld(seed, w, h, $('nw-name').value);
   };
-  $('btn-continue').onclick = async () => { auInit(); playSfx('ui'); const sv = await newestSave(); if (sv) await startFromSave(sv); else toast('No saved world found.'); };
+  $('btn-continue').onclick = async () => { auInit(); playSfx('ui'); await loadSavedWorld(); };
   $('btn-title-settings').onclick = () => { auInit(); playSfx('ui'); openSettings('Display'); };
   $('btn-title-help').onclick = () => { auInit(); playSfx('ui'); openNotebook('Controls'); };
   const touchOnly = matchMedia('(pointer: coarse)').matches && !matchMedia('(any-pointer: fine)').matches;
@@ -118,7 +119,7 @@ function boot(hotData) {
   $('title').hidden = true;
   migrateWorlds().then(() => refreshContinue()).then(async () => {
     $('title').hidden = false; if (!TITLE.raf) drawTitle();
-    if (hotData && hotData.resume) { const sv = await newestSave(); if (sv) await startFromSave(sv); }
+    if (hotData && hotData.resume) { await loadSavedWorld(); }
   }).catch(() => { $('title').hidden = false; if (!TITLE.raf) drawTitle(); });
   requestAnimationFrame(frame);
 }