fix: missing condition for lengthy strings

[kavinkumar807]

Tool error not highlighted for lengthy strings. This PR fixes #299

Motivation and Context

When I was testing the sample LLM tool found that the tool error not being highlighted due to the missing condition in the lengthy strings.

How Has This Been Tested?

• Tested the sample LLM tool call and made sure the error is highlighted
• Tested the normal tool calls flow with server-everything

Breaking Changes

There are no breaking changes

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 Documentation
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have added or updated documentation as needed

Additional context

This is bug is related to the enhancement #275

[kavinkumar807]

@olaservo @cliffhall synced the PR

[cliffhall]

Despite the title of the PR being confusing, the branch name tells the story and the code change was simple. Tested locally and verified the bug and the fix.