unidel2035

fix(builder): handle both dict and string formats for core_entities in knowledge unit extractor

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## 🎯 Summary This PR fixes the `AttributeError: 'dict' object has no attribute 'split'` error that occurs during knowledge extraction, as reported in issue #714. ## 🐛 Problem The knowledge...

fix(common): add exponential backoff to MinIO HTTP downloads

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## Summary This PR fixes the 503 Service Unavailable errors when downloading files from MinIO, as reported in issue #712. ## Problem Users were experiencing `503 Server Error: Service Unavailable`...