feat: strengthen retrieval - #394
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akronim26
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volmedo
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March 22, 2026 09:27
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This resolves #347
Description
This PR implements a fail-over mechanism for block and shard retrieval. The changes introduce two-level fail-over logic: it now iterates through all available storage provider locations for a block and all URL endpoints within each location until a successful retrieval is achieved. Additionally, it optimizes retrieval efficiency by moving DID parsing and capability proof fetching outside of retry loops and ensures consistent resource cleanup of response bodies across all fetch paths.