feat(devices): show icon + last-seen, icon picker in edit

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

public/views/devices_band.js

@@ -3,6 +3,8 @@
 // newly-seen devices. Kept SEPARATE from Little Blue's homelab-service band.
 import { el, mount, clear } from '../dom.js';
 import { api } from '../api.js';
+import { resolveIcon, relativeTime, autoDefaultIcon } from './icon_util.js';
+import { iconPicker } from './icon_picker.js';
 
 let host;
 const GROUPS = ['Smart Home', 'Entertainment', 'Personal', 'Network', 'Flagged'];
@@ -13,26 +15,50 @@ function tile(d) {
     clear(t);
     const edit = el('button', { class: 'dv-edit-btn', title: 'Edit device' }, '✎');
     edit.onclick = editMode;
-    mount(t,
+    const ref = d.icon || autoDefaultIcon(d.grp);
+    const src = resolveIcon(ref);
+    const img = el('img', { class: 'dv-icon', src, alt: '' });
+    img.onerror = () => {
+      if (src && src.endsWith('.svg')) { img.src = src.replace(/\.svg$/, '.png'); return; }
+      img.replaceWith(el('div', { class: 'dv-icon-fb' }, (d.name?.[0] || '?').toUpperCase()));
+    };
+    const seen = d.present === false && d.last_seen
+      ? el('span', { class: 'dv-seen' }, 'seen ' + relativeTime(d.last_seen)) : null;
+    mount(t, img,
       el('span', { class: 'dv-nm' }, d.name || 'Unknown'),
       el('span', { class: 'dv-ip' }, d.ip || ''),
       d.mac ? el('span', { class: 'dv-mac' }, d.mac) : null,
       el('span', { class: 'dv-vendor' },
         (d.vendor || '') + (d.randomized ? ' · randomized' : '') + (d.present === false ? ' · absent' : '')),
+      seen,
       d.mac ? edit : null);
   }
   function editMode() {
     clear(t);
+    let chosenIcon = d.icon || null;
     const nameI = el('input', { class: 'dv-edit-name', value: d.name || '' });
     const grpS = el('select', { class: 'dv-edit-grp' }, ...GROUPS.map(g => el('option', { value: g }, g)));
     grpS.value = d.grp || 'Flagged';
+    const pickerWrap = el('div', { class: 'dv-picker-wrap' });
+    pickerWrap.style.display = 'none';
+    const iconBtn = el('button', { class: 'ghost' }, 'Icon');
+    iconBtn.onclick = () => {
+      if (pickerWrap.style.display === 'none') {
+        clear(pickerWrap);
+        pickerWrap.append(iconPicker(chosenIcon, ref => { chosenIcon = ref; iconBtn.textContent = 'Icon ✓'; pickerWrap.style.display = 'none'; }));
+        pickerWrap.style.display = 'block';
+      } else pickerWrap.style.display = 'none';
+    };
     const save = el('button', { class: 'dv-add' }, 'Save');
-    save.onclick = async () => { await api.patch('/api/devices/' + d.mac, { name: nameI.value.trim() || null, grp: grpS.value }); load(); };
+    save.onclick = async () => {
+      await api.patch('/api/devices/' + d.mac, { name: nameI.value.trim() || null, grp: grpS.value, icon: chosenIcon });
+      load();
+    };
     const del = el('button', { class: 'ghost dv-ignore' }, 'Delete');
     del.onclick = async () => { await api.del('/api/devices/' + d.mac); load(); };
     const cancel = el('button', { class: 'ghost' }, 'Cancel');
     cancel.onclick = view;
-    mount(t, el('span', { class: 'dv-mac' }, d.mac), nameI, grpS, save, del, cancel);
+    mount(t, el('span', { class: 'dv-mac' }, d.mac), nameI, grpS, iconBtn, save, del, cancel, pickerWrap);
   }
   view();
   return t;