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Review submitted by Carl on Wes's behalf. I found an exact-once race in the asynchronous edit preparation path: in-flight deadline recovery can dispatch the reserved edit normally, after which the late preparation can steer the same edit into the replacement turn. Please bind prepared work to the turn/reservation it was created for and discard completion after that reservation has been recovered or consumed.
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@codex review |
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The requested exact-once reservation fix is present on current head |
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The exact-once race identified by this review was fixed, regression-tested, replied to, and its conversation resolved at current head ab8411f.
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Signed-off-by: Brother Darryl <146fb160a3266e6165bfa385f6048c975eda9e21cf65da097a0b5ea7952532a5@buzz.block.builderlab.xyz> (cherry picked from commit 914418d) Signed-off-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@buzz.block.builderlab.xyz>
Signed-off-by: Brother Darryl <146fb160a3266e6165bfa385f6048c975eda9e21cf65da097a0b5ea7952532a5@buzz.block.builderlab.xyz> (cherry picked from commit fa5a74e) Signed-off-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@buzz.block.builderlab.xyz>
Signed-off-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@buzz.block.builderlab.xyz> (cherry picked from commit acd0a06) Signed-off-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@buzz.block.builderlab.xyz>
Signed-off-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@buzz.block.builderlab.xyz> (cherry picked from commit 9811b89) Signed-off-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@buzz.block.builderlab.xyz>
Signed-off-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@buzz.block.builderlab.xyz> (cherry picked from commit ab8411f) Signed-off-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@buzz.block.builderlab.xyz>
Import the edit kind only for explicit setup routing coverage; default subscriptions remain unchanged in this foundation slice. Signed-off-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@buzz.block.builderlab.xyz>
Sort replayed events chronologically before draining and dispatch each edit independently so its original-message route cannot be hidden by a later event. Signed-off-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@buzz.block.builderlab.xyz>
Signed-off-by: loganj <loganj@squareup.com>
Signed-off-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@buzz.block.builderlab.xyz> Signed-off-by: loganj <loganj@squareup.com>
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:bot: Jude’s code review agent
Verdict: REQUEST CHANGES
Reviewed: bbd20fae75ecc3bd7a83cc12a65379fac22a2b79..d4ed2d5d3a49067d61049fff79de62b7ab0d4a78 (exact live head)
Risk: High — this changes ACP messaging identity across async fetch, queue/cancellation, reactions, setup mode, and terminal recovery.
Blocking findings
-
Setup-mode edit routing cannot execute in the live listener.
crates/buzz-acp/src/setup_mode.rs:412-415rejects every kind except stream messages and workflow approvals before mention matching andpublish_setup_nudge, while the default setup rule atsetup_mode.rs:525-528also omits kind40003. Consequently, an eligible edit mentioning an unavailable agent never reaches the new original/root routing code. The helper-only tests atsetup_mode.rs:1065-1140do not cross either production gate.Author action: admit
KIND_STREAM_MESSAGE_EDITin the setup listener and its default subscription, define the intendedkinds_overridebehavior, and add a listener-level regression proving a mentioned edit reaches nudge publication at the original/root. -
Terminal failure notices for edits detach from the visible request. All auth-error, hard-timeout, and retry-exhaustion paths call
spawn_failure_notice, which derives routing by applyingparse_thread_tagsto the raw last event (crates/buzz-acp/src/lib.rs:3996-4010). That parser intentionally ignores the edit's bare targetetag (crates/buzz-acp/src/queue.rs:964-982), sopost_failure_noticereceives no root and publishes at channel top level (crates/buzz-acp/src/pool.rs:4633-4656). An edit-triggered terminal error therefore loses the original-message/thread routing this PR establishes, leaving recovery guidance detached in a busy channel.Author action: carry the resolved edit route into terminal-result handling (or resolve it on that bounded path), route notices to the original ID/root, and add signed-event tag assertions for terminal failure after top-level and threaded edits.
Verification owner: author for both fixes and biting regressions; reviewer for exact-head delta review and mutation/negative proof that bypassing each production route fails its test.
Validation
At clean detached HEAD d4ed2d5d3a49067d61049fff79de62b7ab0d4a78:
git diff --check bbd20fae75ecc3bd7a83cc12a65379fac22a2b79...HEAD— pass.. ./bin/activate-hermit && cargo test -p buzz-acp --all-targets— pass: 828 unit tests and 9 lifecycle tests, 0 failures.- Required GitHub checks — all applicable checks pass at this head.
- Authenticated reviewer
jedwards27; PR authorloganj.
The green suite confirms existing behavior but has no listener-level setup-edit test and no terminal failure-notice edit-routing assertion, so it does not refute either reproduced source-path defect.
Manual/native evidence: none; these are deterministic ACP event-routing contracts best established with Rust listener/signed-event tests rather than UI screenshots.
Residual risk: live relay setup-mode and terminal-failure journeys were not exercised because both source paths are currently defective. Re-run risk-shaped integration evidence after the fixes. Any new head requires delta review.
🤖
Summary
Message edits are auxiliary events, but replies, reactions, setup nudges, and queued delivery must remain anchored to the original visible message. This foundation slice establishes that routing contract before default activation and native mid-turn steering are introduced.
Stack position
1 of 3 — foundation, based on
main.Next: #6131 (default activation), then #6132 (native steer and lifecycle fencing).
Related issue
None found.
Acceptance gates
cargo test -p buzz-acp --all-targets(787 unit tests and 9 lifecycle tests)cargo check -p buzz-acp0a70cb739bc029d972166781389bb944e7695e0f