George Cushen 76023f9461 refactor(images): adopt Hugo reflect.IsImageResource* API for type-safe image processing ...

Replace manual format detection (printf "%T", MediaType.SubType whitelists,
duck-typing) with Hugo's new reflect.IsResource, reflect.IsImageResource, and
reflect.IsImageResourceProcessable functions across 19 template files.

Key changes:
- process_responsive_image: collapse 15-line format whitelist into single
  reflect.IsImageResourceProcessable call
- Unify three-way SVG/processable/GIF branches into two-way $canProcess guard
- Remove duplicate GIF passthrough branches in single.html, events/page.html
- Add missing SVG guard in research-areas block (was calling .Fill unprotected)
- Replace nil checks with reflect.IsResource in get_cover_image/get_featured_image

Design decision: GIFs are intentionally excluded from processing despite Hugo
supporting it — processing strips animation frames, so we preserve user-optimized
animated GIFs by checking (IsImageResourceProcessable AND not GIF).

2026-03-27 04:35:53 +00:00

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term.html

refactor(images): adopt Hugo reflect.IsImageResource* API for type-safe image processing

2026-03-27 04:35:53 +00:00