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

Detected automatically from the vendor pricing page. Kiro offers a perpetual Free tier with 50 credits, and paid tiers including Pro ($20/month), Pro+ ($40/month), Pro Max ($100/month), and Power ($200/month), which all include a fixed amount of credits and allow for add-on credit purchases at $0.04/credit. Pending human verification (needs_review).