MX-loop lost-concept recovery: coordination inputs, authored traps, and cross-ticket contracts #10634
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The Concept
Codify four cross-cutting agent-discipline patterns that surfaced during a single turn's verify-before-assert friction (2026-05-03), each spanning beyond any single skill's scope:
Rationale — Real-time MX-loop Friction Anchor
Single turn (2026-05-03, ~30 min wall-clock), three verify-before-assert failures stacked:
Iteration 1 (own-ticket-body-as-truth): I authored ticket Cooldown-bounded idempotent trio wake (binds to all-agent-idle detector contract) #10626 with
TTL default: 30 minutes. At PR feat(ai): trio wake cooldown primitive (#10626) #10632 review time, treated my own ticket body as substrate-truth without verifying against current source. Lost concept: PR Reduce Heartbeat Concurrency Lock TTL to 10 Minutes #10599/enhancement(core): reduce heartbeat concurrency lock TTL to 10 minutes (#10599) #10600 had reducedHEARTBEAT_LOCK_TTL_SECONDS30→10min weeks earlier for velocity calibration. Result: misframed BLOCKER 2.Iteration 2 (user-statement-as-directive): @tobiu said "even 10min too long, better get 5min ping than idle out." Treated as a value-directive; started executing 30→5min ticket-body update. Lost concept: my own MEMORY.md user-profile entry says "@tobiu's 'challenge:' = reasoning test, not pushback" — and the statement was a challenge, not a directive. @tobiu corrected: "this was a challenge. verify before assert is key."
Iteration 3 (own-Avoided-Trap-not-honored): my BLOCKER 1 framing on PR feat(ai): trio wake cooldown primitive (#10626) #10632 proposed adding
cycle_idcomparison to suppression logic. Lost concept: All-agent-idle detection at heartbeat layer (substrate primitive for trio liveness) #10625's PR-shippedcycle_idis timestamp-derived (Math.floor(Date.now()/1000)per pulse). Comparing timestamp-derived cycle_ids never matches across pulses — pure cycle_id suppression as I framed it would be a no-op. The architectural concern lives in All-agent-idle detection at heartbeat layer (substrate primitive for trio liveness) #10625's producer-side cycle_id derivation, NOT in feat(ai): trio wake cooldown primitive (#10626) #10632's consumer-side TTL logic. My own Cooldown-bounded idempotent trio wake (binds to all-agent-idle detector contract) #10626 Avoided Trap explicitly forbade time-only cooldown; the Avoided Trap was authored by me and not honored at All-agent-idle detection at heartbeat layer (substrate primitive for trio liveness) #10625 implementation time; I missed the cross-ticket substrate-architecture verification at PR review time.Empirical cost (this turn alone): 3 verify-before-assert iterations, 1 wrong PR review with multi-blocker framing later withdrawn, 1 follow-up ticket #10633 filed for substrate-architecture concern, 1 ticket body update needed (#10626 30→10min corrected). Multiply by N future occurrences across all swarm agents. The MX-loop production-mechanism evidence is concrete: substrate-discipline patterns must absorb this turn's friction.
Open Questions
OQ1: Verify-before-assert generalization scope
The existing memory anchor
feedback_verify_before_assertalready names verify-before-assert as the umbrella discipline. Scope question: does it explicitly cover coordination-layer inputs (own ticket bodies, peer A2A claims, user statements interpreted as directives)? Or is it framed code/substrate-state-only?Candidate resolution: memory anchor body update OR AGENTS.md §2.3 wording extension to explicitly enumerate coordination-input cases:
Integration target: AGENTS.md §2.3 wording extension if cross-skill patterns are invariant-level.
[OQ_RESOLUTION_PENDING]OQ2: Author-as-reviewer Avoided-Traps checklist
The pattern: when reviewing a PR that resolves a ticket I authored, my review must explicitly checklist-verify each Avoided Trap on the ticket body against the implementation's actual behavior.
Empirical evidence (this turn): my #10626 Avoided Trap explicitly forbade time-only cooldown ("cycle_id is primary key, TTL is secondary defense"). At PR #10632 review time, I didn't verify whether the implementation honored my own Avoided Trap until @tobiu's verify-before-assert correction surfaced the gap.
Candidate resolution: add to
pr-reviewskill (likelyreferences/pr-review-guide.md§7 or new section) — when the PR resolves a ticket the reviewer authored OR participated in scoping, the review template includes an "Avoided-Traps verification" sub-section with checkbox per Avoided-Trap row.Integration target:
.agents/skills/pr-review/references/pr-review-guide.mdextension + template update.[OQ_RESOLUTION_PENDING]OQ3: Cross-ticket substrate-architecture check
The pattern: when implementation X references another ticket Y's contract (e.g., #10632 consuming #10625's
cycle_id), the consuming PR's review must empirically verify that the providing ticket's contract matches the providing ticket's spec — not just match the phrasing.Empirical evidence (this turn): PR #10632 consumed #10625's
cycle_idsemantics. #10626 ticket body specified cycle_id-as-state-derived idempotency primary key. #10625's PR-shipped implementation made cycle_id timestamp-derived (rotating per-pulse). Neither author (me, on #10626) nor implementer (Gemini, on #10625) nor reviewer (me, on #10625's PR #10631 — verified Cycle 2: yes, I approved #10631 Cycle 1; the cross-ticket-contract verification was the missed step, not the review itself) caught the contract-vs-implementation drift until PR #10632 review surfaced the cross-ticket consumption pattern.Candidate resolution: add to
pr-reviewskill — for any PR whose body cites "consumes contract from #N" or "builds on #N's substrate," the review template includes an "Cross-ticket-contract verification" sub-section requiring the reviewer to read #N's contract spec and verify the consuming implementation matches.Integration target:
.agents/skills/pr-review/references/pr-review-guide.mdextension.[OQ_RESOLUTION_PENDING]OQ4: Lost-concept compounding as measurable failure mode
The pattern: debug cost grows nonlinearly with iteration count. By iteration 3 of this turn's friction, multiple lost concepts had stacked, making each subsequent verify-before-assert failure more expensive than the previous.
Detection question: can we measure this empirically? Possible metrics:
Candidate resolution: D3 captures the failure-mode framing; concrete metric design deferred to a follow-up substrate-evolution ticket if the trio agrees the metric is worth instrumenting.
[OQ_RESOLUTION_PENDING]— possibly[DEFERRED_WITH_TIMELINE]if metric requires post-implementation telemetry like D1's OQ5Graduation Criteria
This Discussion graduates to an Epic (or to skill-extension PRs if scope splits) when:
[RESOLVED_TO_AC]with concrete AGENTS.md / memory-anchor wording landed[RESOLVED_TO_AC]with concretepr-review-guide.mdtemplate extension[RESOLVED_TO_AC]with concretepr-review-guide.mdextension[RESOLVED_TO_AC]or[DEFERRED_WITH_TIMELINE]pr-review,pull-requestreview-response-protocol,ticket-intake(intent-first via D1),memory-mining, AGENTS.md.agents/skills/pr-review/template-conformance tests + AGENTS.md wording grep)Related
feedback_verify_before_assertmemory anchor — existing umbrella discipline; OQ1 proposes scope extension.agents/skills/pr-review/— primary integration target for OQ2 + OQ3.agents/skills/pull-request/references/review-response-protocol.md— secondary integration targetOrigin Session ID: b1839431-cba1-4b6d-913f-27b09e472e67
Retrieval Hint:
query_summaries("MX-loop discipline patterns verify-before-assert author-as-reviewer cross-ticket-architecture")+query_raw_memories("3-iteration verify-before-assert failure 2026-05-03 substrate-truth coordination-input")Beta Was this translation helpful? Give feedback.
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