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fix(pstack): keep qualified action names in statechart property traces - #982

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fix(pstack): keep qualified action names in statechart property traces#982
poteto merged 1 commit into
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lauren/pstack-bugbot-followups-f8e8

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@poteto poteto commented Oct 27, 2026

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Why

Lauren wants the statechart compiler port from #977 to have no open Bugbot finding. Bugbot made two findings on #977:

Finding 1: qualified action names

readTrace read TLC action names with \w+. Thus, the INSTANCE action C!Up became C. readCounterexample read the full name with [^\s>]+.

Before the fix, a PROPERTY that INSTANCE actions break gave these results:

  • Below the chart budget, lasso found no dump edge for C. The report said "TLC found a counterexample" and gave no path. The chart had no loop legend and no repeats marks.
  • Above the chart budget, the path graph labeled each step C.

The fix is one rule, actionOf in frontends/messages.ts. readTrace and readCounterexample both use it.

Tests:

  • The new corpus case CounterInstance is CounterLoop with Up and Back in an instantiated module. Its expected report.md and chart.mmd are the CounterLoop files with C!Up and C!Back. The TLC output is recorded from tla2tools 1.7.4.
  • A new cli.test.ts test runs the same case above the chart budget.
  • Both tests failed before the fix. Both pass after it.

Finding 2: variables from EXTENDS

SANY's XML lists each variable from an extended module as an OpDeclNodeRef of the root module. readSany reads these refs, so spec.variables includes them. backends/cfg.ts does not collect variables. It uses spec.variables.

Evidence:

  • Fixture: Main EXTENDS Mid, and Mid EXTENDS Base. readSany returns ["y","z","x"]. The chart has 8 distinct states, and it marks only x=1 y=1 z=0 as breaking Safe.
  • The committed corpus case MediaPlayerProps declares no variables in its root module. Its variables playback and volume come from EXTENDS MediaPlayer, and its chart test passes.

Checks

  • TLA2TOOLS=<path>/tla2tools.jar node --disable-warning=ExperimentalWarning --test pstack/skills/*/scripts/test/*.test.ts: 367 pass, 0 fail.
  • The same command without TLA2TOOLS, as CI runs it: 267 pass, 67 skip, 0 fail.
  • node scripts/generate-pstack-harness-trees.mjs --check: up to date.
  • node scripts/validate-plugins.mjs: pass.
  • node scripts/check-pstack-docs.mjs: 0 problems.

This PR does not change the plugin version.

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@cursoragent @poteto
fix(pstack): keep qualified action names in property traces
32bd94f 
readTrace read TLC action names with \w+, so an INSTANCE action such as
C!Up became C. readCounterexample read the full name. Below the chart
budget, lasso then found no dump edge for the step, so the report fell
back to "TLC found a counterexample" and the chart lost its loop. Above
the budget, the path graph labeled each step C.

Both readers now use one rule, actionOf in frontends/messages.ts.

The CounterInstance corpus case records TLC's output for a PROPERTY that
INSTANCE actions break, and cli.test.ts checks it below and above the
chart budget.

Bugbot: #977 (comment)
Co-authored-by: lauren <poteto@users.noreply.github.com>
@poteto poteto mentioned this pull request Oct 27, 2026
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poteto merged commit 740d2c0 into main Oct 27, 2026
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poteto deleted the lauren/pstack-bugbot-followups-f8e8 branch October 27, 2026 04:30
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mstephenholl added a commit to mstephenholl/pstack-claude-codex that referenced this pull request Oct 27, 2026
@mstephenholl
chore(upstream): merge cursor/plugins (#36)
0fccce5 
Upstream: cursor/plugins@519d36aa9895, which brings 5 pstack commits.
The daily sync opened this pull request after #35 merged.
`merge-upstream.py` resolved everything and found nothing to port.

## What changes

- **Merge (`323d97f`)**: drops 441 upstream paths outside the port,
including the new ServiceNow and RingCentral plugins, the Tailscale
skill updates, and upstream's version bumps to 0.15.33 and 0.15.34. In
the port:
- `statechart` (upstream cursor#977) is now a TypeScript compiler. A
`scripts/statechart` launcher runs `statechart.ts` and replaces the
`.mjs` scripts. It only goes from a TLA+ model to a chart. `from-chart`,
`--against`, and `--fixed` are gone. It renders charts with Pele, a
public npm package. cursor#982 keeps qualified action names in property
traces, and cursor#981 fixes a test.
- `create-formal-verification-skill` drops one clause: `/statechart` no
longer shows which violations a change fixes.
- **`docs(pstack): describe the statechart rewrite in the README`
(`2991dba`)**: `merge-upstream.py` keeps the port's own README, so the
merge couldn't update it.
  - The skill table no longer offers a TLA+ skeleton from a chart.
- Requirements now lists what `statechart` runs on: Bun 1.1.5 or later,
Node 22.18 to 22.x, Node 23.6 or later, or Deno 2.0 or later, plus
`mise` for TLC and Java unless `TLA2TOOLS` is set.
- **Not ported**: `statechart` has no Cursor terms and still needs no
`pstack-harness` pointer. The port's copy matches upstream's except for
its Codex policy file. "Give the user the SVG" is covered by the
harness's Tools row from #35, which says to give an image by its
absolute path.

## Risk

- **Runtime**: before, `statechart` ran on any `node`. Now a machine
with Node older than 22.18 and no Bun or Deno gets exit 127, and the
launcher names the versions it needs. `pstack doctor` already warns when
`bun` is missing, so I didn't add a separate check.
- **Tests**: this repository's CI doesn't run `statechart`'s own suite.
It needs Node 22.18 or later and `fast-check`.

## Proof

- `check.py`: 0 problems, 0 warnings across 56 pstack skills.
- Port unit tests: 257 pass.
- `statechart` through the launcher on this machine: Node 18.19.1 is too
old, so it ran on Bun 1.4.2, with `TLA2TOOLS` set to tla2tools 1.7.4.
For all 33 specs in upstream's `test/corpus`, its `report.md` and
`chart.mmd` match upstream's expected files byte for byte. The specs
include ones with broken rules, deadlocks, VIEW, and parallel regions.
- `statechart`'s own suite: not run. It needs Node 22.18 or later, which
this machine doesn't have.
- Smoke test: no scenario covers `statechart`, which is user-only. The
other skills' text didn't change.
- macOS: #35's run on `main` never got a runner and was cancelled after
15 minutes. It's re-running. This pull request doesn't touch
`worktree-audit.sh`.
@fullerzz fullerzz mentioned this pull request Oct 27, 2026
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@omegamaster86 omegamaster86 mentioned this pull request Oct 28, 2026
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@caelaxie caelaxie mentioned this pull request Oct 28, 2026
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caelaxie added a commit to pstack-ports/devin-pstack that referenced this pull request Oct 28, 2026
@caelaxie @cursoragent
port upstream pstack through 0.15.36 (#45)
393968a 
<!-- CURSOR_AGENT_PR_BODY_BEGIN -->
synced to
[`c742dd6`](cursor/plugins@c742dd6).
compared `e73df47..c742dd6` for `pstack/`. that range is the whole
upstream pstack history after the previous sync, and `origin/main` of
cursor/plugins is that commit. version is `0.15.36` in `plugin.json`,
`.devin-plugin/plugin.json`, and the readme marker.

upstream range, oldest first:

-
[`34b1b7c`](cursor/plugins@34b1b7c)
([#977](cursor/plugins#977)) statechart compiler
-
[`7c7bde7`](cursor/plugins@7c7bde7)
([#978](cursor/plugins#978)) bump to 0.15.33
-
[`740d2c0`](cursor/plugins@740d2c0)
([#982](cursor/plugins#982)) qualified action
names in property traces
-
[`164ced1`](cursor/plugins@164ced1)
([#983](cursor/plugins#983)) bump to 0.15.34
-
[`519d36a`](cursor/plugins@519d36a)
([#981](cursor/plugins#981)) wait for the reap
in the statechart SIGKILL view test
-
[`ab1f702`](cursor/plugins@ab1f702)
([#986](cursor/plugins#986)) skill updates
(poteto-mode, autopilot playbooks, interrogate, arena, ketchup-video,
principle-explain-the-number, orchestrate, readme and guide) and bump to
0.15.35
-
[`c742dd6`](cursor/plugins@c742dd6)
([#1043](cursor/plugins#1043)) agentic
Orchestrate, delete the orch scripts, bump to 0.15.36

`deslop`, `control-cli`, and `control-ui` are byte-identical at
`e73df47` and at `c742dd6` (same blobs as devin-pstack #44). not
recopied.

verbatim, no devin edits:

- `skills/statechart/scripts/**` replaced with the compiler, corpus, and
tests. old `.mjs` scripts deleted.
- `skills/statechart/references/render.md` added.
- `skills/poteto-mode/playbooks/autopilot-stack.md` replaced.
- `skills/poteto-mode/scripts/package.json` test script drops `orch`.
- `skills/poteto-mode/scripts/orch/` deleted (`orch.ts`, `orch.test.ts`,
`store.ts`).
- `skills/interrogate/references/` deleted (the four review docs the
rewrite removed).

devin-only changes, per file:

- `plugin.json` and `.devin-plugin/plugin.json`: version `0.15.36`.
homepage and repository stay on this port.
- `README.md`: marker points at `c742dd6` / `0.15.36`. table rows for
autopilot-stack, ketchup-video, interrogate, and statechart take the
upstream wording with the existing `/pstack:` prefix.
- `docs/guide/04-design.md`, `06-verify-and-ship.md`, `07-overnight.md`:
upstream wording, `/pstack:` prefix kept, existing Devin session wording
kept.
- `docs/guide/10-recipes-and-pitfalls.md`: same, plus the `auto` pitfall
stays "spawn the role's subagents with `subagent_general` or
`subagent_explore`".
- `skills/statechart/SKILL.md`: upstream compiler skill. `triggers:
[user]`. `/statechart` is `/pstack:statechart`.
- `skills/principle-explain-the-number/SKILL.md`: upstream text.
`triggers: [user]`.
- `skills/create-formal-verification-skill/SKILL.md`: drops "which of
those violations a change fixes". `/pstack:statechart` kept.
- `skills/ketchup-video/SKILL.md`: subtitled video. `triggers: [user]`.
`/pstack:ketchup` and `/pstack:ketchup-video` kept.
- `skills/poteto-help/SKILL.md` and `references/recipes.md`: upstream
rows and prompts. `/pstack:` prefix, cloud Devin session wording, and
the Devin webhook row kept.
- `skills/arena/SKILL.md`: new drop-a-seat rule and the skip-the-judge
rule, in the existing profile language
(`~/.devin/rules/pstack-models.md`, `pstack-M` / `pstack-M-ro`,
`subagent_general` / `subagent_explore`, `devin models list`,
`swe-2-high`). `auto` on the cross-judge line never judges. On Fusion,
prefer a judge outside both the lead's and the sidekick's families, else
outside the lead's. a `fusion-*` slug is still a rejected slug.
- `skills/interrogate/SKILL.md`: upstream rewrite (findings survive only
when a rerun proves them; it calls arena phases). `triggers: [user]`.
`generalPurpose` is the write profile arena phase A step 3 maps
(`pstack-M`, or `subagent_general` for `auto` / `inherit-parent`).
- `skills/setup-pstack/SKILL.md`: the cross-judge sentence is the new
one (one judge, other family, list order, alias never judges). Fusion
note, `ask_user_question`, and Adaptive wording stay.
- `skills/poteto-mode/SKILL.md`: new first-message trigger, Explain the
Number applies before you measure, `is_background: true` also covers a
steer or resume, and a rejected adjusted slug falls through the calling
skill's fallback then `devin models list` / the `auto` mapping.
Autopilot-stack is autopilot-full without the merge. Fusion paragraphs
stay.
- `skills/poteto-mode/playbooks/autonomous-run.md`: mid-run discoveries
that support the goal. `ask_user_question` and Devin's `/loop` stay.
- `skills/poteto-mode/playbooks/autopilot-full.md`: upstream rebase,
verify, blocking, and reply rules. owners stay cloud Devin sessions
(`devin --cloud`). `/deslop` and `/pstack:no-comments` stay. control-cli
and control-ui stay plain skill names.
- `skills/poteto-mode/playbooks/babysit.md`: an Autopilot-stack owner
rebases its own branch the same way an Autopilot-full owner does. Origin
and GitHub watcher wording stays.
- `skills/poteto-mode/playbooks/opening-a-pr.md`: the subagent runs
`/deslop` and `/pstack:no-comments` and reports merge-ready.
`interrogate` and STACK-READY are gone.
- `skills/poteto-mode/playbooks/multi-phase-plan.md`: pick
autopilot-full when the run may merge, autopilot-stack when the operator
lands the PRs. verdict checklist matches upstream. explores with
`profile: "pstack:poteto-agent"`.
- `skills/poteto-mode/playbooks/orchestrate.md`: replaced with the short
agentic playbook. `Task` is `run_subagent`. workers are cloud Devin
sessions (`devin --cloud -p`), leaf-level, because a cloud session
cannot spawn `pstack-*` profiles. program state goes in the current
agent's store (path in the system prompt), not a project tracker.
control-cli and control-ui are named with no plugin qualifier. no orch
script calls.

skipped:

- `pstack/.cursor-plugin/plugin.json`. cursor plugin manifest. the only
change in range is the version bump, and this port's manifests are
`plugin.json` and `.devin-plugin/plugin.json`.
- no `.claude-plugin` file changed in the range.
- `docs/harness/claude-code.md` did not change in the range and is not
part of this port.

tests:

- plugin validator: 61 skills, 2 agents, 23 playbooks.
- `bash -n` on `skills/poteto-mode/scripts/worktree-audit.sh` and
`skills/show-me-your-work/scripts/log.sh`.
- `skills/poteto-mode/scripts`: `bun run typecheck` and `bun run test`
(watch-pr and check-plan). 61 pass, 0 fail.
- `skills/statechart/scripts`: `node --test test/*.test.ts` on Node
v22.23.4. 267 pass, 0 fail, 67 skipped. the skips are the plain-TLC
differential cases, which the suite itself skips unless `TLA2TOOLS`
points at `tla2tools.jar`. corpus replay, the SIGKILL reap test, and the
Pele render tests ran.
- the `devin` CLI was not run. it needs a login. harness proof for
regular mode and fusion mode stays with the owner.

<!-- CURSOR_AGENT_PR_BODY_END -->

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Co-authored-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: Kaitian Xie <caelaxie@users.noreply.github.com>
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@poteto @cursoragent