- Warn and fall back for invalid primitive values across modern/legacy AnkiConnect config subtrees
- Validate AniList ID as positive integer; add timeout to AniList search fetch
- Reject non-safe or fractional session IDs; return 404 for malformed percent-encoded asset paths
- Guard word-mode mining: require non-empty word and Yomitan bridge before starting media work
- Include note ID in mined media filenames to prevent collisions
- Silence throwing timing observers so they cannot abort mining execution
- Trim whitespace from excludePos query param entries
