<!-- SOLID CITY · part 771 -->

    var s = '', fin = false, i;
    for (i = 0; i < ev.results.length; i++) { s += ev.results[i][0].transcript; if (ev.results[i].isFinal) fin = true; }
    if (window.__sableSpeaking) { if (s.trim()) micLock.lastVoice = Date.now(); return; }
    if (s.trim()) micLock.lastVoice = Date.now();
    if (fin && s.trim() && s.trim() !== finalSent) { finalSent = s.trim(); sendTalk(s.trim()); }
  };
  rec.onerror = function (ev) {
    if (ev.error === 'not-allowed' || ev.error === 'service-not-allowed') { logLine('sys', 'Mic blocked.'); micLockStop(true); return; }
    if (ev.error === 'aborted') { micLock.aborts = (micLock.aborts || 0) + 1; if (micLock.aborts >= 3) { logLine('sys', 'Mic keeps aborting — tap the mic button to retry.'); micLockStop(true); } return; }
    logLine('sys', 'Mic: ' + ev.error);
  };
  rec.onend = function () {
    micLock.rec = null;
    if (!micLock.on || (micLock.aborts || 0) >= 3) return;
    setTimeout(micRecStart, 400);
  };
  try { rec.start(); } catch (e) { micLock.rec = null; }
}

/* ---------------- main loop ---------------- */
var workTimes = [], last = performance.now(), fpsAcc = 0, fpsN = 0, fpsVal = 60, running = false, frameTimes = [];
var aiF = 0, aiLX = 1e9, aiLZ = 1e9, aiLYaw = 1e9;   // the AI mode's render-rest tally: last drawn position and heading
function frame(now) {
  if (!running) return;
  requestAnimationFrame(frame);
  var now0 = performance.now();
  var dt = Math.min(0.1, (now - last) / 1000); last = now; S.t += dt;
  frameTimes.push(dt * 1000); if (frameTimes.length > 600) frameTimes.shift();
  fpsAcc += dt; fpsN++; if (fpsAcc > 0.5) { fpsVal = fpsN / fpsAcc; fpsAcc = 0; fpsN = 0; }
  if (S.mode === 'walk') updateWalk(dt);
  else if (S.mode === 'countdown') { countT = (countEnd - now) / 1000; var ct = countT > 0 ? String(Math.ceil(countT)) : 'GO'; if (ct !== countShown) { countShown = ct; $('sc-count').textContent = ct; } shipFlames.forEach(function (f) { f.scale.setScalar(0.4 + Math.random() * 0.3); }); if (countT < -0.5) { $('sc-count').hidden = true; S.mode = 'launch'; S.launchT = 0; } }
  else if (S.mode === 'launch') updateLaunch(dt);
  else if (S.mode === 'fly') updateFly(dt);
  else if (S.mode === 'auto') updateAuto(dt);
  else if (S.mode === 'watch') { if (window.CityWatch) CityWatch.fly(dt); else S.mode = 'fly'; }
  if (window.CityHyper) CityHyper.update(dt);
  if (window.CityWatch) CityWatch.update(dt);
  if (window.CityForge) CityForge.update(dt);
  if (window.CityCitizens) CityCitizens.update(dt);
  if (window.CityMonuments) CityMonuments.update(dt);
  if (window.CitySanctuary) try { CitySanctuary.update(dt); } catch (e) {}
  if (window.CityCampus) try { CityCampus.update(dt); } catch (e) {}
  if (window.CityBook) try { CityBook.update(dt); } catch (e) {}
  if (window.CityPodium) try { CityPodium.update(dt); } catch (e) {}
  if (window.CityTunnelBore) try { CityTunnelBore.update(dt); } catch (e) {}
  if (window.CityStarwell) try { CityStarwell.update(dt); } catch (e) {}
  if (window.CityHyperTrain) try { CityHyperTrain.update(dt); } catch (e) {}
  if (window.CitySkyTrain) try { CitySkyTrain.update(dt); } catch (e) {}
  if (window.CityRingCity) try { CityRingCity.update(dt); } catch (e) {}
  if (window.CityCrystalCrown) try { CityCrystalCrown.update(dt); } catch (e) {}
  if (window.CityStairOfLight) try { CityStairOfLight.update(dt); } catch (e) {}
  if (window.CityServitude) try { CityServitude.update(dt); } catch (e) {}
  if (window.CityNature) try { CityNature.update(dt); } catch (e) {}   // the nature layer: build the lace, tick the wind
  if (window.CityHeroAvatar) try { CityHeroAvatar.update(dt); } catch (e) {}   // the Hero avatar (code PLATE8): breathe, turn the core, walk the bob
  if (window.__populationTick) try { __populationTick(dt); } catch (e) {}   // the population: folk on their circles, keepers at their posts
  if (window.CitySolidSanctuary) try { CitySolidSanctuary.update(dt); } catch (e) {}
  if (window.CityAncestorRoads) try { CityAncestorRoads.update(dt); } catch (e) {}
  if (window.CityColosseum) try { CityColosseum.update(dt); } catch (e) {}
  if (window.CityImperialColosseum) try { CityImperialColosseum.update(dt); } catch (e) {}
  if (window.CityHiddenShip) try { CityHiddenShip.update(dt); } catch (e) {}
  if (window.CityVillageMauna) try { CityVillageMauna.update(dt); } catch (e) {}
  if (window.CityMountainHomes) try { CityMountainHomes.update(dt); } catch (e) {}
  if (window.CityGateAncestors) try { CityGateAncestors.update(dt); } catch (e) {}
  if (window.CityLanternVigil) try { CityLanternVigil.update(dt); } catch (e) {}
  if (window.CityCompassMeridian) try { CityCompassMeridian.update(dt); } catch (e) {}
  if (window.CityRoostKeel) try { CityRoostKeel.update(dt); } catch (e) {}
  if (window.CityOverlookMira) try { CityOverlookMira.update(dt); } catch (e) {}
  if (window.CityEighthGate) try { CityEighthGate.update(dt); } catch (e) {}
  if (window.CityHallBecoming) try { CityHallBec