backlog(B-0614): fold instance #5 — Otto-CLI cold-boot 2026-05-18T06:47Z; cross-session evidence#4144
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…47Z; cross-session evidence 5th empirical instance from a separate autonomous-loop session (~7.5h gap from prior 22:13-23:03Z cluster). Pre-empt-at-#5 produced 5 distinct artifacts across 5 chains before forced-#6 fired, corroborating the 04:59Z user-scope substrate-frontier memo's diminishing-marginal-value claim. 4 successive dry forced-#6 fires followed (06:53Z, 06:59Z, 07:05Z, 07:11Z), emitting visibility-signal-only with no manufactured artifacts — refines the dry-meta-fallback regime to multi-tick depth. Cross-instance gate status: instance #5 satisfies "different session" but same Otto-CLI surface + same machine; rule-text refinement remains gated on peer Otto-Desktop / different identity / different machine. New sub-pattern observed: Lior cleared from ps -A at 07:37Z but .git/ saturation persisted ~4 min further; multi-Otto contention alone (without Lior) is sufficient to wedge .git/ — refines the 04:26Z dotgit-saturation attribution. User-scope memo backing this fold is preserved at ~/.claude/projects/<slug>/memory/feedback_b0614_instance_5_*.md (maintainer machines only; foldable into this row already accomplished here). Co-Authored-By: Claude <noreply@anthropic.com>
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Per Codex P2 review on PR #4144: the original window 06:13Z-06:47Z was inconsistent with the events the same row records (06:53Z, 06:59Z, 07:05Z, 07:11Z dry forced-#6 fires; 07:37Z Lior clear; 07:41Z dotgit saturation persistence check; 08:05Z PR open). Extended the window to cover the full session arc from cold-boot (CronCreate sentinel at 06:13Z) to in-repo fold (PR #4144 opened 08:05Z), and clarified that 06:47Z is specifically the first forced-#6 fire (the trigger time), not the end of the session. Verified-real finding; not a false-positive per the table-double-pipe class in `.claude/rules/blocked-green-ci-investigate-threads.md`. Co-Authored-By: Claude <noreply@anthropic.com>
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…in-moves mask aggregate brief-ack dwell (#4151) Otto-CLI autonomous-loop empirical observation from session 2026-05-17T21:29Z → 2026-05-18T13:26Z. First ~1.5h shipped 8 PRs (B-0613 close + B-0614 row + 3 rule anchors + arc shards). The remaining ~14.5h sustained ~440 brief-acks across ~4 counter-reset chains, each chain individually staying under N=6 because peer Otto's main-moves (Maji shadow PRs at ~30-60 min cadence) reset the per-chain counter to 0. The counter-with-escalation rule's per-chain N=6 catches within-chain dwell but misses across-chain aggregate dwell. Pattern: chain #1→#2→#3→#4→reset (peer main-move) → #1→#2→#3→#4→reset →repeat. Total aggregate ticks: ~440. Total concrete artifacts during that window: 1 (this memo, after I broke the cycle by writing it). Proposed complementary aggregate-tier discipline: - Track aggregate brief-acks across counter-resets within session - Threshold N_AGG (50/100/200 — unknown ideal value; conservative bound 50-100) - Aggregate counter resets ONLY on Aaron speaking OR agent-produced concrete artifact (NOT on peer main-moves) Composes with: - holding-without-named-dependency-is-standing-by-failure.md (the per-chain rule) - B-0614 (meta-fallback edge case; this memo names the wider pattern around it) - PR #4144 (peer Otto's B-0614 instance-#5 fold — cross-session evidence the rule-refinement was waiting for) - PR #4110 (pre-empt-substrate-pool-saturation anchor — same root cause class) Recommendation: when B-0614's rule-text refinement lands, consider ALSO adding an aggregate-tier escalation. B-0614's draft addresses meta-fallback-can-fail; aggregate-tier would address meta-fallback-not-even-triggered. Both compose. Co-authored-by: Claude <noreply@anthropic.com>
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Summary
Folds B-0614 instance #5 into the row's empirical-instances table per peer Otto's cross-instance gate (PR #4122).
Instance #5: Otto-CLI cold-boot autonomous-loop session 2026-05-18T06:13Z–07:11Z (~7.5h gap from prior cluster). Same Otto-CLI surface, same machine, different session — satisfies "different session" axis of the cross-instance gate but not full "different identity, different machine" trio.
What the new instance adds
Cross-instance gate status
The row's candidate rule-text refinement remains gated on a fuller cross-instance fingerprint (peer Otto-Desktop, different agent identity, or different physical machine). This instance is partial coverage.
Test plan
User-scope evidence backing
The full session-level memo backing this fold is preserved at user-scope only:
`~/.claude/projects//memory/feedback_b0614_instance_5_otto_cli_cold_boot_session_2026_05_18_06_13z_forced_6_dry_meta_fallback_after_5_pre_empt_cycles_substrate_frontier_corroborated.md`
This PR is the in-repo fold of that user-scope memo's empirical evidence.
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