Add POST support for SSE endpoint in MCP server

Add JSON-RPC POST support for Flowise compatibility

Fix SSE endpoint to properly return tools list for Flowise

Add basic SSE endpoint for MCP protocol compatibility

Fix MCP server to return JSON-RPC format for Flowise compatibility

Force redeploy - MCP JSON-RPC format for Flowise compatibility

Force redeploy - update MCP JSON-RPC format

Force redeploy on Render

Update MCP server to return JSON-RPC format for Flowise compatibility

Add request_time_off tool to MCP server

Remove legacy WORKDAY_BEARER_TOKEN references

Improve TypeScript build configuration for Render deployment

Comprehensive fix for TypeScript compilation errors

Fix TypeScript 'Cannot find type definition file for node' error

Fix TypeScript compilation issues for Render deployment