- Replace non-existent readdirAsync from fs-jetpack with Node.js fs/promises.readdir
- Remove readdirAsync from fs-jetpack imports
- Update loadFilesFromDirectory to use standard readdir function
Fixes SyntaxError: Export named 'readdirAsync' not found in module error when running deployment system.
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Co-Authored-By: Claude <noreply@anthropic.com>