fix: add syndication URLs to owner replies and owner_urls to API response

feat: defer background tasks until host readiness signal

fix: remove duplicate page heading from dashboard

feat: separate ingestion channel from platform identity

fix: normalize trailing slashes in canonical_url to prevent duplicate interactions

chore: bump version to 2.3.1

i18n: complete translations for all 14 supported locales

chore: move plan to centralized documentation-central

fix: Bluesky polling + cross-source owner reply threading

chore: bump version to 2.2.0

feat: NodeInfo-based platform detection for ActivityPub interactions

docs: add README with API reference and owner reply enrichment

feat: include owner replies with threading in conversations API

feat: use signed fetch for avatar backfill on Authorized Fetch servers

fix: deduplicate backfill by actor URL for correct completion tracking