Complete Round 7 and prepare for Round 8

Round 7 Summary:
✅ Safe reset script validated - no system crashes
✅ Full deployment workflow successful
✅ Password hash corruption fixed (heredoc issue)
✅ All containers running healthily
✅ System stability confirmed

Round 8 Preparation:
- Focus on production readiness
- Comprehensive integration testing
- Edge case validation
- SSL certificate generation testing
- Documentation accuracy verification
- User experience polish

Testing scenarios defined for:
- Fresh installation (happy path)
- Re-run detection (idempotency)
- Password reset workflows
- Clean slate between tests
- Service access validation
- SSL certificate validation
- Edge cases (invalid config, network issues, resource constraints)

Success criteria: Scripts ready for public release (v1.0.0-rc1)

ROUND_7_PREP.md

@@ -1,7 +1,14 @@
 # Round 7 Testing - Preparation and Safety Guidelines
 
 ## Mission Context
-Test AI-Homelab deployment scripts with focus on **safe cleanup and recovery** procedures. Round 6 revealed that aggressive cleanup operations caused system crashes requiring hard reboots and BIOS recovery.
+Test AI-Homelab deployment scripts with focus on **safe cleanup and recovery** procedures. 
+
+**Round 7 Status**: ✅ COMPLETE - All objectives met, no system crashes occurred
+
+### Issues Found and Fixed:
+1. **Password hash corruption** - Heredoc variable expansion was mangling `$` characters in argon2 hashes
+   - **Fixed**: Use quoted heredoc ('EOF') with placeholders, then sed replacement
+   - **Committed**: ee8a359
 
 ## Critical Safety Requirements - NEW for Round 7