Enhance RabbitMQ and MinIO integration in DocsManager #31

Job	Run time
Build Validation (rag-manager, ./RAGManager, reto-xmas-2025-goland-ia-backend-rag-manager)	1m 1s
Build Validation (docs-manager, ./DocsManager, reto-xmas-2025-goland-ia-backend-docs-manager)	1m 19s
PR Summary	3s
	2m 23s

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