Update CHANGELOG for v2.0.0 release

[devin-ai-integration]

What does this PR do?

• Add CHANGELOG.md entry documenting all v2.0.0 changes including Date type support, class-validator integration, and validation constraint options

Type of change

This pull request is a

• Feature
• Bugfix
• Enhancement

Which introduces

• Breaking changes
• Non-breaking changes

How should this be manually tested?

1. Review the CHANGELOG.md file to ensure all v2.0.0 changes are documented
2. Verify the format follows Keep a Changelog conventions

Any background context you want to provide beyond Shortcut?

Devin session link

Shortcut story

Requested by: Greg Teixeira (greg@fireflies.ai) @greguintow

Summary by CodeRabbit

New Features

• Added Date type support with automatic JSON Schema mapping
• Implemented automatic mapping of class-validator decorators to JSON Schema constraints
• Introduced manual validation constraint options that take precedence over decorator-based configuration

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[devin-ai-integration]

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[fireflies-bot]

🔍 PR Complexity Assessment

🟢 Risk Score: 1/10

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📝 Summary

Documentation-only change that adds a CHANGELOG.md entry documenting the v2.0.0 release features including Date type support, class-validator integration, and new validation constraint options.

📊 Lines Analysis

Metric	Count
Total Changes	30
Production Code	0
Test Code	0

💡 Recommendation

Quick review to verify changelog accuracy against the actual v2.0.0 implementation. No code risk involved - this is purely documentation.

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[coderabbitai]

📝 Walkthrough

Walkthrough

The CHANGELOG.md was updated with a new 2.0.0 release section documenting added features: Date Type Support mapping to JSON Schema, Class-Validator decorator integrations, Validation Constraint Options in ToolProp, and precedence rules for explicit options over decorators.

Changes

Cohort / File(s)	Summary
Changelog Update CHANGELOG.md	Added 2.0.0 release notes documenting Date Type Support mapping, Class-Validator decorator integrations (ArrayMaxSize, MinLength, IsEmail, etc.), Validation Constraint Options in ToolProp, and precedence behavior where explicit ToolProp options override decorators.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

🚥 Pre-merge checks | ✅ 2

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Update CHANGELOG for v2.0.0 release' is fully related to the changeset, which adds a CHANGELOG entry for the v2.0.0 release. It starts with a capital letter and does not use commit-style formatting (feat:) or include a story shortcut (sc-number).

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[devin-ai-integration]

✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no potential bugs to report.

View in Devin Review to see 2 additional flags.