import filters for pixiv sidecars, tag filtering, and favicon generation

summary.md

@@ -4,7 +4,7 @@ A Flask-based image repository with Celery task processing for importing, organi
 
 > **IMPORTANT**: This summary must be kept up to date with any code changes. Update the timestamp below when making modifications.
 >
-> **Last Updated**: 2026-02-01 (Settings dashboard: system stats, task filtering, error details)
+> **Last Updated**: 2026-02-04 (Pixiv sidecar support, Tags navbar dropdown, tag search)
 
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@@ -422,12 +422,14 @@ Trigger via API: `POST /api/import/trigger` with `deep=true`
 
 ### Sidecar Metadata
 Gallery-DL JSON files provide:
-- Platform (patreon, hentaifoundry, etc.)
+- Platform (patreon, hentaifoundry, subscribestar, pixiv)
 - Artist name
 - Post ID and title
 - Publication date
 - Source URL
 
+Pixiv-specific: Uses `{id}_p{num}.json` naming pattern, extracts from `user.account`, `create_date`, `caption`, constructs URL as `https://www.pixiv.net/artworks/{id}`
+
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 ## Environment Variables