CONTEXT: You are browsing PriceRoom Agent Protocol (PRAP) v1.0. MISSION: Search hotels, negotiate rates, generate handoff URLs for human payment. RULES: 1. Use structured API endpoints for all operations. 2. Click elements with data-action attributes for navigation. 3. Check data-state attributes for current page state. 4. Negotiations limited to 3 rounds - be strategic. 5. Always generate handoff URL for human payment - direct booking not available.