`abcd implement report` derives its figures from fields no writer is required to supply, and says nothing when they are missing. It counts a lane as landed only when its lane_close carries `outcome` merged or landed, and agent minutes only from agent_end lines, while `abcd implement log` accepts any set of fields on any event. In autonomous run A the orchestrator that took over at the first rotation (16:15Z on 2026-09-23) wrote lane_close lines with `pr` and `merge` fields and no outcome, used lane_open and lane_close for review and fix rounds, and wrote no agent_start, agent_end, gate_run or ceiling_wait line for the rest of the run. Over both days the report counts ten lanes landed for the first session and one for the second, where thirty pull requests merged, and its agent minutes stop at 16:08Z on the first day. None of this is flagged, because every line parses. Wanted: per-event required fields (an outcome on lane_close; role, model and minutes on agent_end) refused at `implement log` time, and a report line naming any event kind whose coverage stops partway through the run.

Frontmatter

.abcd/work/issues/resolved/iss-2609240646555891-implement-report-cannot-see-missing.md
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mentions1

• iss-2609240648533996What `abcd implement` (itd-2609201916151817) would have to carry to launch autonomous run A without its hand-written prompt, from having run it over 2026-09-23/24. The pilot's list (iss-2609211105021406) stands; this adds what a two-day run across three orchestrator sessions and a second session needed. (1) The run manifest as data: the batches and lanes in order with their record ids, the decisions the run may not reopen, the stop list, and the release step with the agenda line that authorises the publish approval. (2) The routing table as a verb output the orchestrator reads, not a scratch file its first lane derived by hand: 490 open captures split into 249 to build, 203 for the product thinker, 38 to judge on their merits, with 11 duplicates marked. (3) The pace and ceiling rulings as dated values that supersede one another, which the verb enforces and the log cites: the run lived under four ceilings (two implementers and one reviewer, then five, six and four agents) and three paces (two hours on and five off, three on and two off, then no pauses), each re-read by hand from a notes file by every orchestrator. (4) The roles and the model per role: implementers and fix rounds on one model, reviewers and auditors on another and one at a time, a fresh implementer per fix round, a reviewer that never implemented, and the model id each agent writes into its trailer. (5) The review receipts: which reviews a lane owes before it lands (ruthless, security at a trust boundary, a second lens on an ADR, the fidelity audit after merge) and the verdict each returned, so that "owed" is a query rather than a list in the handover. (6) The rotation chain and the handover block: the named successor sessions, the trigger at about 60% of context, and the block's fields (rulings in force, queue state, each lane's next move, hazards, owed items) written by the verb from run state; a fresh orchestrator started from a handover of about 650 words in 4% of its context. (7) A live-agent count that enforces the ceiling: agent_start and agent_end kept by the verb, a refusal to start an agent over the ceiling, and a ceiling_overrun event when one is found (iss-2609240646542516, iss-2609240646549900). (8) Lane retirement as a step: the ancestor check against the remote default branch, the worktree removal, and a branch delete that does not wait on the local default branch (`git branch -d` refuses a branch the merge queue merged until the local default branch is fast-forwarded). (9) Measurement the verb writes itself, with required fields per event, since the hand-written log lost its agent, gate and review lines at the first rotation (iss-2609240646555891). Evidence: the run's prompt, run file and lane brief were about 50 KB of prose; the first orchestrator's start-up reading cost about 15% of its context before any lane opened, and each rotation re-read the rulings from the top of the notes file.