v1.4.18 — MCP Schema Sanitization Fixes

This release fixes MCP schema sanitization behavior and updates a supporting dependency.

What’s Fixed & Improved

MCP Schema Sanitization

• Enhanced schema sanitization to handle multiple non-null types.

Workflow Input Fix

• Reverted an unintended change to the workflow to input.

These changes improve schema compatibility for MCP tool definitions and correct the workflow input behavior.