Release v1.1.0: Interface optimization and architecture improvements

Major interface simplification: 52 → 32 tools (38% reduction)
Architecture delegation pattern: MCP ↔ Server ↔ Data layers properly implemented
3-tier test structure: server/data/intelligence separation established
Comprehensive documentation updates and release notes

INTERFACE CHANGES:
• Kept 17 essential tools (10 memory + 7 generic database)
• Removed 20 experimental/maintenance tools for cleaner interface
• All production functionality preserved - no breaking changes
• Fixed delegation issues (proper server timestamps across all tools)

QUALITY IMPROVEMENTS:
• Enhanced architecture with proper delegation patterns
• Improved testing infrastructure with 3-tier structure
• Better developer experience with cleaner codebase
• Foundation established for v2.0 ultra-simplified interface

See RELEASE_NOTES_v1.1.0.md for complete details.