- POST /api/auth/ayon/exchange: redeem single-use ticket (issued by the
AYON addon) via AYON_EXCHANGE_URL, mint session JWT, get-or-create
internal user row and the <project>/<task> board in the AYON collection
- db: getOrCreateAyonUser / getOrCreateAyonBoard / grantAyonCollectionAccess
- frontend: /b route redeems ticket from URL and forwards to the board
- password login/register paths untouched (legacy instance support)
Hermes