Done. The forecast change note is written to `output/drivers-note.md`.

**Summary:** Current FY2026 EBITDA fell ($149K) or 32.9% to $303K, driven by a loss of 2 active customers ($133K negative), partially offset by a 40 basis point margin improvement ($39K positive) and a higher headcount ($54K negative). The note asks about assumptions supporting each of these three changes.