Release 1.2.0

[takeshishimada]

Release 1.2.0

This release focuses on comprehensive documentation improvements based on a thorough three-round review of all DocC files.

Changes

Documentation

Comprehensive DocC Improvements

Major overhaul of Flow's documentation enhancing clarity, adding missing explanations, and significantly improving the learning experience for both beginners and advanced users.

High Priority Improvements:

• Added thread-safety warning for @unchecked Sendable in Middleware
• Enhanced Getting Started guide with clearer structure
• Added Quick Reference table to Core Elements
• Expanded core sections (Store, Feature, ActionHandler) with detailed explanations
• Simplified Result-Returning Actions example in Core Concepts
• Added comprehensive error handling to Practical Guide

Medium Priority Improvements:

• Added multiple middleware usage section with execution order
• Expanded .just() explanation in Core Elements
• Simplified Task Priority section with reference table

Additional Improvements:

• Added Overview section to Flow landing page
• Added detailed .cancellable() explanation

Statistics:

• 6 files modified (all Flow DocC files)
• 12 commits of improvements
• +307 lines added, -71 lines removed (net +236 lines)

Files Updated

• CHANGELOG.md - Added 1.2.0 entry
• README.md - Updated version to 1.2.0
• README_jp.md - Updated version to 1.2.0

Testing

• ✅ All 299 tests pass
• ✅ Documentation builds successfully
• ✅ No breaking changes

Checklist

• CHANGELOG.md updated
• README.md versions updated
• Tests passing
• Documentation builds

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Co-Authored-By: Claude noreply@anthropic.com