Release v2.10.9

chore: bump version to 2.10.8

- Updated n8n dependencies to latest versions (n8n 1.109.2, @n8n/n8n-nodes-langchain 1.109.1)
- Fixed CI/CD pipeline issues with Node.js v22 LTS compatibility
- Resolved Rollup native module compatibility for GitHub Actions
- Enhanced cross-platform deployment with better-sqlite3 and SQL.js fallback
- All 1,728+ tests passing

Release v2.10.7 - Update n8n to v1.108.1

Release v2.10.6 - Update n8n dependencies to v1.108.1

Release v2.10.5

Release v2.10.4

Release v2.10.3 - Validation System Robustness

Fixed multiple critical validation issues affecting AI agents and workflow validation:
- Issue czlonkowski#73: Fixed validate_node_minimal crash when config is undefined
- Issue czlonkowski#58: Fixed validate_node_operation crash on invalid nodeType
- Issue czlonkowski#70: Fixed validation profile settings being ignored
- Issue czlonkowski#68: Added error recovery suggestions for AI agents

Added comprehensive input validation system and enhanced cycle detection.
Improved validation profiles and error messages for better AI agent support.

2.10.2

Merge pull request czlonkowski#120 from czlonkowski/fix/issue-118-mcp…

…-connection-loss

### Fixed
- **Memory Leak in SimpleCache**: Fixed critical memory leak causing MCP server connection loss after several hours (fixes czlonkowski#118)
  - Added proper timer cleanup in `SimpleCache.destroy()` method
  - Updated MCP server shutdown to clean up cache timers
  - Enhanced HTTP server error handling with transport error handlers
  - Fixed event listener cleanup to prevent accumulation
  - Added comprehensive test coverage for memory leak prevention

Merge pull request czlonkowski#116 from czlonkowski/fix/issue-90-fixe…

…d-collection-validation

fix: prevent 'propertyValues[itemName] is not iterable' error (fixes czlonkowski#90)