- Remove duplicate # heading
- Add astronomical diary confirmation of date (Sachs & Hunger 1988)
- Clarify location uncertainty (Jomel River east of Mosul)
- Add Mazaeus as Persian right commander; surrendered Babylon, appointed satrap
- Add lunar eclipse omen (20 September)
- Add Persian sarissae detail (Diodorus 17.53.1)
- Clarify ancient troop numbers are unreliable per modern scholarship
- Add Persepolis capture date (January 330 BCE)
- Add [^3] Encyclopaedia Iranica / Bosworth as new reference
- Remove answered review queue (applied manually)
- Updated perspective.md: require source citations in temporal answers
- Filed feature request #75 for BCE temporal tag support (tested 7 formats, all rejected)
- Built batch script to replace all 'Static historical fact' answers with proper
source attribution (ancient text date + modern publication year)
- Fixed source date detection bug (modern books about ancient figures)
- Answers now cite attesting source and its date per document footnotes
