fix(pwa): handle orientation.lock() promise rejection silently

screen.orientation.lock() returns a Promise; the old try/catch only
caught synchronous errors, leaving the rejection unhandled and triggering
the auto-reporter (issue #8). Added .catch(()=>{}) to suppress it.
Also fixed CI: add sleep+retry around gh release create to avoid 502
race condition after delete.

Closes #8

.github/workflows/build-kiosk.yml

@@ -50,14 +50,20 @@ jobs:
       - name: Delete existing kiosk release
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: gh release delete kiosk-latest --yes || true
+        run: |
+          gh release delete kiosk-latest --yes || true
+          sleep 5
 
       - name: Create GitHub Release and upload APK
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
+          for i in 1 2 3; do
             gh release create kiosk-latest \
               --title "EverShelf Kiosk v${{ steps.version.outputs.name }}" \
               --notes "Kiosk mode app with embedded BLE scale gateway. Install on your Android device (7.0+)." \
               --prerelease \
-            artifacts/evershelf-kiosk.apk
+              artifacts/evershelf-kiosk.apk && break
+            echo "Attempt $i failed, retrying in 10s..."
+            sleep 10
+          done

assets/js/app.js

@@ -10147,7 +10147,7 @@ function startCookingMode() {
     document.getElementById('cooking-tts-btn').textContent = '🔊';
     document.getElementById('cooking-overlay').style.display = 'flex';
     document.body.classList.add('cooking-mode-active');
-    try { screen.orientation?.lock('portrait'); } catch (_) { /* ignore */ }
+    try { screen.orientation?.lock('portrait').catch(() => {}); } catch (_) { /* ignore */ }
     renderCookingStep();
     if (_cookingTTS) {
         const text = ((_cookingRecipe.steps || [])[_cookingStep] || '').replace(/^Passo\s*\d+\s*[:.]\s*/i, '');
@@ -10159,7 +10159,7 @@ function closeCookingMode() {
     document.body.classList.remove('cooking-mode-active');
     // NOTE: intentionally keep _cookingRecipe, _cookingStep, _cookingVisited
     // so the user can resume from the same step when they reopen
-    try { screen.orientation?.unlock(); } catch (_) { /* ignore */ }
+    try { screen.orientation?.unlock().catch(() => {}); } catch (_) { /* ignore */ }
 }
 
 function restartCookingMode() {