fix: full file playback and file name display

- Use endFrame=999999 for full file playback (backend clips correctly)
- Add z-index:10 to card-file-info to prevent being obscured
- Full file now plays complete duration

src/views/SearchView.vue

@@ -1526,7 +1526,7 @@ function playFullFile(r: any) {
   currentVideo.value = {
     fileUuid: r.file_uuid,
     startFrame: 0,
-    endFrame: 0,        // 0 = play to end
+    endFrame: 999999,     // Very large value = full file
     title: r.file_name || 'Full Video'
   }
   playing.value = true
@@ -2094,6 +2094,7 @@ function openSource(src: SourceInfo) {
   padding: 5px 8px; background: var(--card-background);
   border-bottom: 1px solid var(--border-light);
   cursor: pointer; transition: background .15s;
+  position: relative; z-index: 10;
 }
 .card-file-info:hover {
   background: rgba(var(--primary-color-rgb), 0.1);