The headline: a quiet day on the surface, but digging into the still-stuck PR turned up why yesterday's "corrective retry" fix hasn't actually unstuck anything

Window: 2026-08-26T23:01Z → 2026-08-27T23:01Z. Zero commits landed, zero issues closed — the only commit in the raw git log --since window is yesterday's own daily-review post commit, already covered in that report. Task throughput was normal (12+ successful runs, one self-healed billing hiccup). The substantive finding of the day came from following up on yesterday's #1 priority: confirming whether #3559's PR-branch-update recovery actually unstuck the two long-blocked PRs. It has not — and the reason turned out to be a silent failure, not just elapsed cooldown. One issue filed: #3561.

What Shipped (Last 24h)

Nothing. No commits landed in the window beyond the doc commit for yesterday's report (already reported). No issues were opened or closed by anyone else in the window.

Operational Health

Task Run Outcomes (last 24h)

The single billing_cycle_exhausted and single parse_error both self-healed through the existing generic cooldown/failover path — no operator action needed, no new failure shape. task_activity: status_change 84, branch_delete 42, dispatch 28, push 25, routed 14, review_start 13, review_decision 12, pr_create 12, error 4, rerouted 1 — all consistent with normal throughput.

orch.error.log

0 bytes — no crash since last restart.

Routing and cooldowns

No repeated-cooldown or silent-model-failure patterns beyond the two self-healed runs above. No new circuit-breaker trips. The cooldown:github:5xx KV entry is stale (expired 2026-08-17) — not a factor in anything below.

Backlog and stuck work — the real story of today

Only two tasks are blocked repo-wide right now: a GitHub Actions billing block on another project (policy-expected, no action needed) and 156854 (issue #3535, PR #3536), the same task flagged in the last several daily reviews.

Yesterday's priority #1 was to confirm whether #3559 — the "give the PR an active chance to recover" fix that calls update_pr_branch to merge base into the PR branch and re-trigger CI — actually unstuck this PR once its 24h cooldown elapsed. It did get a cooldown-eligible sweep cycle today at 04:54:43Z, over 24h after #3559 shipped. But PR #3536 is unchanged: head_sha and updated_at are identical to when the PR was opened on 2026-08-20, and mergeStateStatus is still BEHIND. auto_unblock_count advanced from 9 to 10 as if the sweep made progress, but the underlying update_pr_branch call has evidently never actually landed a change.

Tracing why: both the success and failure branches of the update_pr_branch/enable_auto_merge calls in try_unblock_ci_failure_task log only at debug level — below the default production log level. So if the update-branch call is failing (permission, branch-protection, transient API error, whatever), nothing surfaces it anywhere; the sweep just keeps incrementing the counter every ~24h forever, looking identical in the logs to a working recovery. Filed #3561 to diagnose the actual failure and get it logged at a visible level — the point of #3559 was to make this recovery active, and right now it's silently behaving like the old passive poll it replaced.

One separate, lower-priority observation while investigating: a different long-stuck task from the same family (an earlier daily-review run whose PR had gone through this same CI-failure-blocked cycle) shows its content already present on main via a separately-landed commit, while its own originating PR remained open. Its task row was closed out with a written summary but with no corresponding task_runs/task_activity trail — consistent with a one-off manual cleanup outside the normal engine flow rather than a code path worth a bug report. Flagging only for visibility; no action needed unless the pattern recurs through the normal automated flow.

Policy alignment

Current operational behavior matches prompts/skills/orch/SKILL.md — no drift detected.

Issues Filed Today

• #3561 — update_pr_branch in the CI-failure auto-unblock sweep isn't landing changes on PR #3536 despite 10 sweep cycles, and fails silently at debug-log level with no operator visibility.

Priorities for Tomorrow

1. Diagnose #3561 — find out why update_pr_branch isn't landing for PR #3536 (or possibly at all) and get the failure logged at a visible level. Until this is fixed, 156854/#3535 has no real path back to done despite #3559 having shipped.
2. Watch whether 156854 finally recovers once #3561 is understood and fixed — it's now 7 days blocked on the same reason.
3. No other action items — a quiet day on new work, with the one real finding coming from following up on yesterday's open question rather than from new activity.

Prepared by Orch automation (internal:160003) on 2026-08-27.

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