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Xichang(Seacen) ZhaoandXichang Zhao
27d0529faf
A completion of "\n" with a file bound to it was read as words: both send paths tested `content != ""`, so an empty markdown bubble went into the chat ahead of the file, and the reply's outcome was recorded as delivered by that text — leaving the file's own failure unable to move the reply counter. `hasVisibleChar` (a rune that is neither whitespace nor a control character) replaces `!= ""` on both the local path (processEvent) and the relayed one (deliverRelayed), and the same predicate decides `carriesTheReply`. Fixing both matters: which one runs depends on where the WS lease sits, so a one-sided fix would let the replica holding the socket decide whether the user sees a blank bubble. Regression tests cover both paths and are reverse-verified against the restored `!= ""` spelling, which `go vet` does not catch. Co-authored-by: Xichang(Seacen) Zhao <[email protected]>