feat(dashcam): show converting badge and date on mobile video rows

Co-authored-by: Copilot <[email protected]>

static/js/local-videos.js

@@ -112,6 +112,18 @@
             mobileLabel.style.maxWidth = "5rem";
             mobileLabel.textContent = file.path.split("/").pop();
             preview.appendChild(mobileLabel);
+            // Date shown only on mobile (desktop has its own column)
+            const mobileMeta = document.createElement("div");
+            mobileMeta.className = "dash-thumb-meta text-muted";
+            mobileMeta.textContent = new Date(file.modified_at * 1000).toLocaleDateString(undefined, { month: 'short', day: 'numeric' });
+            preview.appendChild(mobileMeta);
+            // Converting badge shown on mobile inside thumbnail cell
+            if (file.converting) {
+                const mobileBadge = document.createElement("span");
+                mobileBadge.className = "badge bg-info text-dark dash-thumb-converting mt-1";
+                mobileBadge.innerHTML = '<i class="fas fa-spinner fa-spin"></i>';
+                preview.appendChild(mobileBadge);
+            }
             row.appendChild(preview);
             thumbnailObserver.observe(image);