Kiro pricing change detected: typical $20 → $40/mo, floor $0 → $20/mo

Detected automatically from the vendor pricing page. Kiro offers a Free tier, and individual paid plans including KIRO PRO for $20/month, KIRO PRO+ for $40/month, KIRO PRO MAX for $100/month, and KIRO POWER for $200/month, all providing a set amount of credits with additional credits available for $0.04 each. Pending human verification (needs_review).