feat(media): add sharded compatibility reads - #4015
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Co-authored-by: npub128x7j3pwgm4vs8yra3c42fcgcwcvh94g3luwzkqa376du2q6l0esqcrwch <51cde9442e46eac81c83ec71552708c3b0cb96a88ff8e1581d8fb4de281afbf3@buzz.block.builderlab.xyz> Signed-off-by: npub128x7j3pwgm4vs8yra3c42fcgcwcvh94g3luwzkqa376du2q6l0esqcrwch <51cde9442e46eac81c83ec71552708c3b0cb96a88ff8e1581d8fb4de281afbf3@buzz.block.builderlab.xyz>
This was referenced Jul 31, 2026
Classify sharded payload keys in storage sweeps, preserve physical totals, and deduplicate logical legacy/sharded copies. Export read resolution, fallback, and duplicate-layout metrics. Co-authored-by: npub128x7j3pwgm4vs8yra3c42fcgcwcvh94g3luwzkqa376du2q6l0esqcrwch <51cde9442e46eac81c83ec71552708c3b0cb96a88ff8e1581d8fb4de281afbf3@buzz.block.builderlab.xyz> Signed-off-by: npub128x7j3pwgm4vs8yra3c42fcgcwcvh94g3luwzkqa376du2q6l0esqcrwch <51cde9442e46eac81c83ec71552708c3b0cb96a88ff8e1581d8fb4de281afbf3@buzz.block.builderlab.xyz>
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Summary
Add deterministic hash-leading, community-scoped media key helpers and make every relay read/probe path prefer the sharded object while falling back to the legacy flat key only on absence. Public Blossom URLs and writes remain unchanged.
Related issue
None found; requested in the linked Buzz channel thread.
Testing
bin/cargo test -p buzz-media(110 passed, 1 live-MinIO test ignored)bin/cargo test -p buzz-relay --lib handlers::imeta(11 passed)bin/cargo clippy --workspace --all-targets -- -D warningsbin/cargo fmt --checkStack