test: add comprehensive tests for event metadata and description length limits

[greatest0fallt1me]

Description:

Write comprehensive test cases for metadata and description length validation.

Requirements and Context:

• Must achieve minimum 95% test coverage
• Should test acceptance at max length
• Should test rejection over max length
• Should test each field (description, question, outcomes, tags)
• Should test update path if applicable
• Should test error messages

Suggested Execution:

1. Fork the repo and create a branch

   git checkout -b test/metadata-length-limits-tests

2. Implement changes

   • Write tests: src/test.rs (metadata length limit tests)
   • Validate test coverage

3. Test and commit

   • Run tests with coverage; include test output

Example Commit Message:

test: add comprehensive tests for event metadata and description length limits

Guidelines:

• Minimum 95 percent test coverage
• Clear documentation
• Timeframe: 24 hours