Release core@0.9.0+platform@0.5.0

[vreshch]

Release core@0.9.0+platform@0.5.0

This PR prepares the release of core@0.9.0+platform@0.5.0.

Changes

New Features

• Add sequence, parallel, and map combinators for composing agent operations
• Add PAT_TOKEN fallback configuration for automated release merging

Checklist

• Review the changelog
• Verify version numbers are correct
• Merge when ready to release

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Once merged, this will automatically:

1. Create git tags per package
2. Trigger the publish workflow
3. Publish packages to npm (core first, then platform)

[github-actions]

🎉 PR Validation ✅ PASSED

Commit: c11bbf916100436adff88a2ad7aa5092a41b2fb0
Branch: release/core-0.9.0-platform-0.5.0

Checks:

• ✅ Release guard (no version/changelog changes)
• ✅ Dependencies installed
• ✅ Type check passed
• ✅ Linting passed
• ✅ Format check passed
• ✅ Tests + coverage passed
• ✅ Build successful

Ready to merge! ✨

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🔗 View workflow run
⏰ Generated at: 2026-04-15T21:13:23.655Z