- All 247 FS.com prices were €79 (shipping threshold, not product prices)
- Root cause: 'Gratis Versand ab 79 € (ohne MwSt.)' banner matched first
- Fix 1: DOM price extraction in page.evaluate with bad-parent skip list
- Fix 2: bodyText qualified patterns skip matches near shipping keywords
- Fix 3: waitForSelector for price DOM element before evaluate
- Fix 4: Deleted 247 invalid €79 observations from DB
Also included from previous session:
- db.ts: set has_image=true on image writes (fix 632 desync rows)
- spec-updater.ts: DR/FR/LR/ER/ZR → SMF, SR → MMF fiber type inference