feat(ui): inline expansion for cards view at mobile

Same accordion pattern as stream: card-row gets entity-exp markup,
selectEntity/expandInline/dismissPeek/Escape all handle .card-row.
Fullscreen expand works for both views.

web/app.js

@@ -636,6 +636,7 @@
     const affHtml = affs.map(a => `<span class="aff clickable ${AFF_CLASSES[a]}">${AFF_LABELS[a]}</span>`).join('');
 
     return `<div class="card-row${selected}${pinCls}${flashCls}" data-index="${idx}" data-id="${e.id}">
+      <div class="card-head">
         <span class="card-row-title">${escHtml(title)}</span>
         <span class="card-row-dash">—</span>
         <span class="card-row-preview">${preview}</span>
@@ -645,6 +646,12 @@
           ${e.pinned ? '<span class="card-row-pin">★</span>' : ''}
           ${e.use_count > 0 ? `<span class="card-row-use">${e.use_count}×</span>` : ''}
         </div>
+      </div>
+      <div class="entity-exp">
+        <div class="entity-exp-clip">
+          ${renderInlineDetail(e)}
+        </div>
+      </div>
     </div>`;
   }
 
@@ -1138,9 +1145,9 @@
       } else {
         state.selectedIndex = idx;
       }
-      $$('.entity-item.selected').forEach(el => el.classList.remove('selected'));
+      $$('.entity-item.selected, .card-row.selected').forEach(el => el.classList.remove('selected'));
       if (state.selectedIndex >= 0) {
-        const target = $(`.entity-item[data-index="${state.selectedIndex}"]`);
+        const target = $(`.entity-item[data-index="${state.selectedIndex}"], .card-row[data-index="${state.selectedIndex}"]`);
         if (target) target.classList.add('selected');
       }
       return;
@@ -1459,7 +1466,7 @@
     },
 
     expandInline() {
-      const sel = $(`.entity-item.selected`);
+      const sel = $(`.entity-item.selected, .card-row.selected`);
       if (!sel) return;
       sel.classList.toggle('exp-full');
       const btn = sel.querySelector('.exp-toolbar .peek-mobile-btn');
@@ -1468,7 +1475,7 @@
 
     dismissPeek() {
       if (isMobileBreakpoint()) {
-        const sel = $(`.entity-item.selected`);
+        const sel = $(`.entity-item.selected, .card-row.selected`);
         if (sel) sel.classList.remove('selected', 'exp-full');
         state.selectedIndex = -1;
         return;
@@ -1531,7 +1538,7 @@
     if (ev.key === 'Escape') {
       if (isMobileBreakpoint()) {
         if (state.selectedIndex >= 0) {
-          const sel = $(`.entity-item.selected`);
+          const sel = $(`.entity-item.selected, .card-row.selected`);
           if (sel) sel.classList.remove('selected', 'exp-full');
           state.selectedIndex = -1;
           return;

web/style.css

@@ -600,20 +600,23 @@ main.focus-peek .resize-handle { visibility: hidden; }
 
 /* ── CARD ROWS ──────────────────────────────────────── */
 .card-row {
-    display: flex;
-    align-items: center;
-    gap: 7px;
-    padding: 9px 12px 9px 14px;
     margin: 2px 10px;
     background: var(--surf);
     border: 1px solid var(--border);
     border-radius: var(--r2);
     cursor: pointer;
-    min-height: 40px;
     position: relative;
     transition: border-color var(--t-fast), background var(--t-fast);
 }
 
+.card-head {
+    display: flex;
+    align-items: center;
+    gap: 7px;
+    padding: 9px 12px 9px 14px;
+    min-height: 40px;
+}
+
 .card-row:hover { border-color: var(--muted); }
 .card-row.selected { border-color: var(--accent); background: var(--a-bg); }
 .card-row.pinned { border-left: 2px solid var(--accent); }
@@ -1531,10 +1534,13 @@ kbd { background: var(--raised); border: 1px solid var(--border); border-radius:
         grid-template-rows: 0fr;
         transition: grid-template-rows .2s ease;
     }
-    .entity-item.selected .entity-exp { grid-template-rows: 1fr; }
+    .entity-item.selected .entity-exp,
-    .entity-item.selected .exp-toolbar { display: flex; }
+    .card-row.selected .entity-exp { grid-template-rows: 1fr; }
+    .entity-item.selected .exp-toolbar,
+    .card-row.selected .exp-toolbar { display: flex; }
     .entity-item.exp-full,
-    .entity-item.is-card.exp-full {
+    .entity-item.is-card.exp-full,
+    .card-row.exp-full {
         position: fixed;
         inset: 0;
         z-index: 60;
@@ -1544,7 +1550,9 @@ kbd { background: var(--raised); border: 1px solid var(--border); border-radius:
         margin: 0;
         border-radius: 0;
     }
-    .entity-item.exp-full .entity-exp { grid-template-rows: 1fr; }
+    .entity-item.exp-full .entity-exp,
-    .entity-item.exp-full .exp-inner { padding-top: 1rem; padding-bottom: 2rem; }
+    .card-row.exp-full .entity-exp { grid-template-rows: 1fr; }
+    .entity-item.exp-full .exp-inner,
+    .card-row.exp-full .exp-inner { padding-top: 1rem; padding-bottom: 2rem; }
     main.focus-peek #entity-panel { display: block; overflow: auto; min-width: 0; }
 }