- Error handlers for FragmentError and generic Exception now return
self-contained HTML (no render_template) to avoid the infinite loop
where context processor → fetch_fragments → error → render_template
→ context processor → fetch_fragments → error ...
- Account Ghost membership sync moved to background task so it doesn't
block Hypercorn's startup timeout (was causing crash-loop).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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