Introduce shared cachedFetch helper (lib/data-fetch.js) wrapping
EleventyFetch with two protections:
- 10-second hard timeout via AbortController on every network request,
preventing slow or unresponsive APIs from hanging the build
- 4-hour cache TTL in watch/serve mode (vs 5-15 min originals), so
incremental rebuilds serve from disk cache instead of re-fetching
APIs every time a markdown file changes
All 13 network _data files updated to use cachedFetch. Production
builds keep original short TTLs for fresh data.
Targets the "Data File" benchmark (12,169ms / 32% of incremental
rebuild) — the largest remaining bottleneck after filter memoization.
Confab-Link: http://localhost:8080/sessions/0b241cd6-aff2-4fec-853c-2b5a61e61946
- Add computed permalink in data cascade for existing posts without
frontmatter permalink (converts file path to Indiekit URL)
- Fix ogSlug filter and computed data for new 5-segment URL structure
- Add conversations API as build-time data source
- Merge conversations + webmentions in webmentionsForUrl filter with
deduplication and legacy /content/ URL alias computation
- Sidebar widget fetches from both webmention-io and conversations APIs
- Update webmention-debug page with conversationMentions parameter
