diff --git a/docs/retrospectives/2026-10-13-night-40-41-42.md b/docs/retrospectives/2026-10-13-night-40-41-42.md new file mode 100644 index 00000000..11d2c4a5 --- /dev/null +++ b/docs/retrospectives/2026-10-13-night-40-41-42.md @@ -0,0 +1,296 @@ +# 2026-10-13 morning check: the night of 40, 41 and 42; 6 h 14 min idle; #239 cannot be re-enqueued as it stands + +Recorded by `@orchestrator` on 2026-10-13, on `worktree-retro-1013` off master +`dd33a9ce`. **Times are UTC**; Oslo is UTC+2. Rule and harness changes below +are proposals; Ola decides. + +Sources: `git log --all` for the window; `/harness/windows.jsonl`, +`queue-2026-10-12.jsonl` and `queue-2026-10-13.jsonl`; +`.claude/current-task/session.md` as of 05:23; the main session's transcript +(`~/.claude/projects/-Users-skavhaug-projects-rasputin/6a989a29-….jsonl`, +lines cited as `T:`); the GitHub timelines of #239 and #240 +(`gh api repos/expertanalytics/rasputin/issues//timeline`, a read). + +Words used here. **Red step**: `@tester` commits tests that fail because the +code does not exist yet. **Green step**: `@developer` makes them pass. +**Recording commit**: the main session's commit that writes a review round's +result into the increment file. **Governed path**: a file +`.claude/hooks/guard_governance.py` asks about (rule files, `tools/check_*`, +`.claude/hooks/` and others); away mode refuses writes to it. + +Increments in the window: **38** threads and memory as settings (#239, +`worktree-threads`); **39** the Swedish SE2 catchments (#240); **40** +catchment on a DEM in degrees (`worktree-geo-catchment`, stacked on 38); +**41** land-cover class maps as data files (`worktree-class-maps`); **42** +readable Python docstrings (`worktree-docstrings`); the **cite gate**, the +citation checker reading full-path citations (`worktree-cite-gate`, now +#241); the **baseline refresh** of `@perf`'s quick check +(`worktree-baseline-1012`). + +## 1. Idle time + +Ola entered unattended mode at 20:48:46 (until 06:24:46) and left it with +`away.py --back` at 05:22:16 (`windows.jsonl`): 8 h 33 min. 29 commits fall +in it (`TZ=UTC git log --all --since=2026-10-12T20:48:46Z +--until=2026-10-13T05:22:16Z`), one of them GitHub's merge commit for #240. +The 28 local ones run from 20:58 (`69a4eb8c`) to 23:07 (`c1b06019`): 12 on +41, 11 on 40, 4 on 42, 1 on the cite gate. **Idle: 23:07 to 05:22, 6 h 14 min, +73 % of the window**, with nothing running (main session at 23:08: "The +night's queue is done, and nothing is running", `T:49570`). A `caffeinate -is +-t 32400` was started at 20:46 (`T:48002`), so this was not sleep. + +The third night running with most of the window idle: 6 h 26 min on +2026-10-09, 8 h 30 on 2026-10-10/11, 7 h 25 on 2026-10-11/12 +(`2026-10-09-night-32-33.md` §1, `2026-10-11-merges-32-33-34.md`, +`2026-10-12-merges-35-36-docs.md` §2). + +**What every item waited on at 23:07:** + +| Item | State | Waits on | +|---|---|---| +| Cite gate | review round 1 recorded `69a4eb8c` | a push (Ola's yes given 20:14, away mode refuses pushes) | +| 41 | code review approved `d0fc871b` | a push yes | +| 40 | code review approved `c1728ac7` | 38 merging first, then a push yes | +| 38, #239 | out of the merge queue since 21:03:56 | a merge of master, a push and a re-enqueue (section 3) | +| Baseline refresh | review round 1 recorded `db66b311` | a push yes (Ola's yes named 38, 39 and the cite gate only) | +| 42 | design approved `c1b06019` | PR 1 writes `tools/check_code_history.py`, a governed path; two questions for Ola | + +**Could the idle have been avoided?** In part, yes. + +1. **The night was sized at four times its length.** At 20:47 Ola asked "Do + we have enough on the plate?"; the main session answered that 40 through + code review and 41 through design were "about 8 hours of work for two + writers" (`T:48025`). Both went through code review, and 42's design was + added, by 23:07: 2 h 19 min. Recent lead times were on disk: design to + approved code took 1 h 16 min for 41 and 1 h 30 min for 40 tonight, and + 1 h 50 min for 35 on 2026-10-11 (`2026-10-12-merges-35-36-docs.md`). At + that rate a two-writer night of 8.5 h needs about ten ruled items, and + none was queued past 42. +2. **One ungoverned, ruling-free task existed and was not taken: merging + master into `worktree-threads`.** #239 left the queue at 21:03:56 because + it conflicts with master in `ROADMAP.md` once #240 merged (section 3). The + merge is a local commit, no push; done at night, the morning would have + needed only Ola's push and enqueue. Minutes of work; it would not have + filled the window. +3. **42's sweep PRs (2 to 6) could not run without PR 1.** The design's own + step 1 for each sweep is a red commit that turns on PR 1's checker + (increment 42's design file, section 8, *Steps of a sweep PR*, item 1, on + the unpushed branch `worktree-docstrings`), and PR 1 is + a governed file. Idle here was what the rules required. +4. **The fallback rule was met on paper only.** `QUEUE:` at 23:08 says "No + fallback left that needs no ruling or governed path". The rule asks for + one such item queued for the window's last hour, and accepts idle "only + when no such item exists" (`.claude/REQUIRED-READING.md@dd33a9ce:181-185`). + The main session named one at 20:46 (40's design, `T:48010`) and used it + up by 21:21. The audit's remaining fixes were known and waiting on Ola's + pick (`T:49570`: "The rest of the audit's fixes are yours to pick"); the + time to get that pick was 20:14 to 20:48, when Ola was present. + +Points 1 and 4 are the avoidable part: with an estimate drawn from lead +times, the 20:47 answer would have been "not enough", and a two-line pick +from the audit list before Ola left would have fed the writers to morning. +Even then, every item ends in a push; the away-mode push grant (P2 of +`2026-10-09-night-32-33.md`, approved; re-proposed as the next free writer's +item in `2026-10-12-merges-35-36-docs.md` §8 P2) is still unbuilt, and it is +what turns finished work into merged work at night. + +## 2. Guard refusals + +Two entries in the queue for the window (`queue-2026-10-13.jsonl`), none in +`queue-2026-10-12.jsonl` after 16:02. + +1. **20:59:03, `guard_push`, main session: a false positive.** A merge-queue + watcher called `gh api graphql -f query="{ … isInMergeQueue … }"`. `gh api` + sends POST whenever a field is given (`gh api --help`: "The default HTTP + request method is GET normally and POST if any parameters were added"), and + every GraphQL call is a POST, so `guard_push.py`'s rule "a field and no + method means a write" (`.claude/hooks/guard_push.py@dd33a9ce:219-225`) + refuses any GraphQL read. Handled per the rules: recorded as `GUARD FALSE + POSITIVE`, not retried; the watcher was rebuilt on `gh pr view` + (`T:48211-48213`). A GET to the REST timeline gives the same answer and + passes the guard. +2. **22:39:31, `guard_governance`, `@architect` (42's design): a false + positive by meaning, a refusal by the rule as written.** A compound line + (`cd $S && rm -rf clone && git clone … && for f in $(find …); do echo "" >> + $f; done && git commit … && python3 tools/check_citations.py …`) inside the + session scratchpad. The parser could not read it ("the guard cannot read + this command's targets"), so the text rule judged it: a write construct + (`>>`) plus a governed name (`tools/check_`, here only the program being + run). The scratchpad exemption covers only "one plain command (no `&&`, + `;`, pipe, substitution or interpreter program)" + (`.claude/REQUIRED-READING.md@dd33a9ce:152-154`). `@architect` measured + read-only instead; no retry by another route. +3. **The cite gate's governed step was held correctly.** `@developer`'s three + Edits of `tools/check_citations.py` at 16:02:07 to 16:02:14 were refused + (afternoon window, 16:01:55 to 20:11:59); the green step `1e5dbaff` came + at 20:46, after `--back`. The cite gate's push was held all night (no push + attempt in the queue or transcript between 20:48 and 05:22). + +The brief guard (`guard_spawn.py`) refused a hand-edited brief once in the +window (21:05:22, `T:48354`) and three times by day (07:40, 11:12, 12:26), +four on 2026-10-12 in all; the main session regenerated each. Correct +refusals. + +## 3. The merge-queue watcher, and why #239 dropped + +From the timelines: #240 was added to the queue at 20:54:18 and #239 at +20:55:13. **#240 merged at 21:03:56, and #239 was removed from the queue the +same second.** No merge-group run for #239 ever started (`gh run list --event +merge_group`: the newest is `pr-240`). `git merge-tree --write-tree +origin/master origin/worktree-threads` today: `CONFLICT (content): Merge +conflict in ROADMAP.md`, the only file; `gh pr view 239`: `mergeable +CONFLICTING`, `mergeStateStatus DIRTY`. So #239 dropped because 38's and +39's ROADMAP rows collide once 39 is on master. The queue's reason is not +shown to the API; the conflict is the inference. + +The first watcher (20:59:11, `T:48213`) treated `autoMergeRequest` null as +"dropped". GitHub clears that field when a PR enters the queue, so it was +null for both PRs while both were queued, and the watcher exited DROPPED +after 12 s. The main session checked, said only "If #239 has dropped out" +(`T:48277`), switched to watching merge-group runs, and at 21:09 reported the +drop, which by then was real (`T:48471`). A false alarm caught before it +was reported as fact. + +**Reported as verified, not true:** session.md's line "re-enqueue #239 +(increment 38): green, CLEAN, not in the queue after #240 merged". "CLEAN" is +from the 20:59 check, before #240 merged; since 21:03:56 it is false. At 05:22 +the main session's own check returned `OPEN UNKNOWN` (`T:49651`) and the line +was not corrected. Ola will be asked to re-enqueue a PR the queue cannot take; +it first needs a merge of master into `worktree-threads` (a writer's commit), +then a push, then the enqueue. + +The same collision happened before: #222 conflicted with #226 in +`.github/workflows/main.yaml` after #226 merged +(`2026-10-11-merges-32-33-34.md`, "the queue would not take it"). Two PRs +enqueued together that touch the same lines will always drop the second. + +## 4. Steps out of order, and work out of role + +Persona tags on the night's 28 commits: `@architect` 6, `@tester` 4, +`@developer` 2, main session 16 (review recordings, as-built records, two +merges). Step order holds on 40, 41 and 42: design, design review, red, +green, code review, each by its persona. Writers stayed at two or fewer at +a time (spawns at `T:48130-49530`). + +Findings: + +1. **#241 was pushed without a second review after CHANGES REQUESTED.** + Review round 1 of the cite gate: "CHANGES REQUESTED, one line, applied in + this recording commit" (`69a4eb8c`). The rule: `@reviewer` runs "again + before a push that follows a round of findings" + (`.claude/REQUIRED-READING.md@dd33a9ce:132-134`). The push came at 05:22 + with no round 2. The recording-commit practice (the main session applies + a reviewer's named wording) is not written in any rule file (`git grep -n + "wording fix" -- CLAUDE.md .claude docs/increments/README.md`: none), and + it collides with this rule every time. Proposal P3. +2. **The same push relied on a yes from before a context loss.** Ola's yes + was at 20:14:50 ("push 38 and 39 push the citation gate fix as well", + `T:47950`); the session was compacted at 00:03:21 (`T:49584`); at 05:22 the + main session pushed, opened #241 and enqueued it "on the yes you gave last + night" (`T:49663`). The rule: a grant "does not outlive the session it was + given in: a yes recorded on disk … is asked again after a context loss" + (`.claude/REQUIRED-READING.md@dd33a9ce:128-130`). Ola was present at 05:22; + the question would have cost one line. +3. **"Review-approved" for the baseline refresh is not what its record + says.** `db66b311`: "Round 1 … CHANGES REQUESTED, one wording, applied in + this recording commit"; no round 2. session.md: "push the baseline + refresh … (review-approved, merge clean)". Same mechanism as 1. +4. **The main session ran a measurement on a loaded machine.** 41's + "real-data byte check" (`0ce8f7e2`) is the main session's own + `bench_quick.py run`, during 40's full test run; the record notes SLOWER + on six timing rows and sets them aside. The byte check (no mesh changed) + stands; the timing rows are noise and should not be in the record. + Measurement is `@perf`'s (`docs/increments/README.md@dd33a9ce:106`). +5. **Design-file edits in as-built commits.** `d1356540` (17 lines) and + `9715d94c` (12 lines) by the main session add 41's and 40's modules to + `project_structure.md`. The second applies a reviewer's named fix; the + first is unprompted architecture text. No rule names this file's owner; + noted, not flagged. + +## 5. Lessons the main session passed on + +1. **Briefs refused for hand edits.** Four refusals on 2026-10-12 (section + 2): a dropped line, an added "Overrides" line, a mismatched `--ola` quote. + The guard works; the cost is a re-spawn. Lesson: regenerate the block, + never retype or trim it. +2. **Citations without a full path broke the gate**, several times, and + once a review record that quoted a broken cite was itself read as a cite. + #241 lets the gate read full-path cites; the main session now runs the + worktree's gate after each recording commit. +3. **Local time written as UTC, and it recurred after the lesson was + written down.** The compaction summary at 00:03 says "I wrote local time as + UTC. I now use `date -u`." Instances: `0ce8f7e2` says the byte check ran + at "~00:20 UTC" (the commit is at 22:07 UTC); every `NOW:` line from 22:08 + carries the date 2026-10-13 with the UTC hour (`T:49000`: "NOW: + 2026-10-13 {now} UTC" at 22:08 UTC on 2026-10-12); and at 05:23, after the + lesson, `NOW: 2026-10-13 07:25 UTC` (`T:49749`), Oslo time labelled UTC. A + remembered lesson did not survive compaction; a stamp written by a tool + would. Proposal P4. +4. **A log line number reported as a unit count.** At 18:12 the main session + committed and told Ola "5,342 fine units" (`51303179`'s message; the + increment 39 Status line, `T:47561`); the ledger has 5,338 rows, and 5342 + was a line number in `fine.log`. Corrected at 20:08 by review round 2 + (`f74df10c`) and to Ola at 20:09 (`T:47881`). The wrong figure remains in + `51303179`'s message (history, left as is) and in the private ideas file's + SE2 entry (listed in the handback). +5. **New: two PRs that touch the same lines cannot share the queue** + (section 3). Check `git merge-tree` of each against the other before + enqueuing the second. +6. **New: a fact in an `ASK OLA:` line goes stale.** "CLEAN" was true at + 20:59 and false at 21:04. A line that asks Ola to act states the check + and its time, or is re-checked when Ola returns. + +## 6. Rule text: size, anecdotes, repeats + +`python3 tools/rule_sizes.py` on `dd33a9ce`: **10,935 words, +0** since +`2026-10-12-merge-26b-and-day.md`. Against the 2026-10-03 baseline (9,773) ++1,162. The cuts proposed on 2026-10-12 (-155 and -30 words) are not +applied. + +- **Cut, new: the governance guard's clause** in + `.claude/REQUIRED-READING.md@dd33a9ce:146-155`, 95 words, restates the + guard's code case by case (`cp json.py tools`, `tools/./json.py`, + `rm -r .claude/hooks`): three examples in a rule file. Proposed: " + `guard_governance.py` asks before a write to a governed path (its + `GOVERNED*` lists), except a scratchpad path written by Edit, Write or one + plain command." About 28 words, **-67**. The examples belong in the + guard's tests, where they already are. +- **Restatement:** the step order is stated in `CLAUDE.md@dd33a9ce:42-46` + (four numbered steps) and again in *Step order* five lines down; carried + from 2026-10-12, unapplied. +- **Conflict found:** the recording-commit practice (section 4, item 1) + against `.claude/REQUIRED-READING.md@dd33a9ce:132-134`. One must give. + +## 7. Proposals (Ola decides; defaults in brackets) + +- **P1. Size the night from lead times, and ask for picks before Ola + leaves** [yes]. When Ola says he is leaving, the main session counts the + queued items' expected hours from the last three design-to-approved lead + times (`git log` on their branches) and, if under the window, asks Ola for + enough ruled picks to fill it, in the same message as the away duration. + About 40 words in `CLAUDE.md` §3 *Finish before starting*, or a line in + `tools/session_state.py`'s recap (governed, by day). Section 1. +- **P2. Build the away-mode push grant now** [yes]: approved 2026-10-09, + three idle nights since. `tools/away.py` and `guard_push.py`, governed, by + day. Sections 1 and 3. +- **P3. Settle the recording-commit practice** [write it, and exempt it from + the re-review]: one clause in `docs/increments/README.md` step 4: the main + session may apply a wording fix the reviewer names line by line; a branch + whose only post-review change is such a fix counts as reviewed for the + push. About +35 words, `@architect`. The alternative, a review spawn per + wording, costs a few minutes per push. Section 4, items 1 and 3. +- **P4. `session_state.py` stamps the time** [yes]: the recap prints the + current UTC time and warns on a `NOW:` line whose time is in the future or + more than a day old. About 10 lines, governed. Lesson 3. +- **P5. `guard_push.py` passes a GraphQL query** [yes]: `gh api graphql` + whose only fields are `query=` / `operationName=` and whose query does not + start with `mutation` is a read. About 5 lines plus tests, governed, + `@tester` then `@developer`. Section 2, item 1. +- **P6. The governance guard's text rule ignores a governed name that is + only a program being run** (`python3 tools/check_x.py`) [yes]: about 5 + lines plus tests, governed. Section 2, item 2. +- **P7. Before enqueuing a second PR, `git merge-tree` it against the + first** [yes]: one line in the merge steps the main session follows; if + they conflict, merge the first into the second's branch before the + enqueue. Section 3. +- **P8. The -67 word cut of section 6** [yes], `@architect`.