Update scenario 47 version to 1.2 (Agent SDK implemented)

- SDK atomic swap methods already implemented in remote (commits 71160bf1, 93814f69)
- Updated version from 1.1 -> 1.2 to reflect SDK is available
- Removed outdated 'not implemented' notices
- Scenario now accurately reflects available functionality

docs/scenarios/47_cross_chain_atomic_swap.md

@@ -6,7 +6,7 @@
 **Prerequisites**: Wallet Basics (Scenario 01), Cross-Chain Transfer (Scenario 20), Understanding of HTLC  
 **Estimated Time**: 35 minutes  
 **Last Updated**: 2026-05-07  
-**Version**: 1.1 (Updated with contract-based commands)
+**Version**: 1.2 (Agent SDK atomic swap methods implemented)
 
 ## 🧭 **Navigation Path:**
 **🏠 [Documentation Home](../README.md)** → **🎭 [Agent Scenarios](./README.md)** → *You are here*
@@ -515,5 +515,5 @@ bash scripts/workflow/44_comprehensive_multi_node_scenario.sh
 ---
 
 *Last updated: 2026-05-07*  
-*Version*: 1.0  
+*Version*: 1.2 (Agent SDK atomic swap methods implemented)  
 *Status*: Active scenario document