Adds ability to disable thought logging

[bbartels]

Description

Adds ability to disable thought logging via the DISABLE_THOUGHT_LOGGING env var

Server Details

• Server: sequentialthinking
• Changes to: logging

Motivation and Context

Some deployments may require sensitive information not be logged

How Has This Been Tested?

Ran the MCP server locally, added the ENV var and observed thoughts not being logged

Breaking Changes

N/A

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update

Checklist

• I have read the MCP Protocol Documentation
• My changes follows MCP security best practices
• I have updated the server's README accordingly
• I have tested this with an LLM client
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have documented all environment variables and configuration options

Additional context

[bbartels]

@cliffhall Could I get a review on this? :) Not sure what the convention is to request reviews from maintainers

[cliffhall]

Just one small request

[bbartels]

Changed, thanks

[cliffhall]

LGTM! 👍