{{define "partials/session_cell_media.html"}}
{{- /* Video plays the real bytes in-place so the operator can see the
       motion that drives the duplicate-vs-variant call. The thumbnail
       jpg is just the first frame and hides exactly the signal the
       session is trying to surface. */ -}}
{{- if or (eq .FileType "mp4") (eq .FileType "webm") -}}
<video class="session-cell-img" src="/images/{{.ID}}/file" muted loop autoplay playsinline preload="metadata"></video>
{{- /* Archives have no single viewable image; the cover jpg is the only
       sensible source. */ -}}
{{- else if eq .FileType "cbz" -}}
<img src="/thumbnails/{{.ActiveGallery}}/{{.ID}}.jpg" alt="image {{.ID}}" class="session-cell-img">
{{- /* Static image: the 360px thumbnail looks soft at this size, so serve
       the real bytes and let the browser scale them. */ -}}
{{- else -}}
<img src="/images/{{.ID}}/file" alt="image {{.ID}}" class="session-cell-img" loading="lazy">
{{- end -}}
{{end}}