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msd-core/capabilities/external-job/fragments/plan-post.md
Tom Boucher 5ae4ea4c84 feat(#1105): add external-job capability (SLURM scheduler-adapter producer half) (#1998)
* feat(#1105): add external-job capability (SLURM scheduler-adapter producer half)

The async external-job consumer half (#1165) shipped long ago: the core loop
reads .planning/async-jobs/<job>.json manifests and treats a non-terminal one
as the legal external_job_waiting half-state. The PRODUCER half (#1164) was
the remaining unimplemented piece of #1105.

This adds the producer as a default-off capability:

- capabilities/external-job/ — capability.json (execute:wave:post -> executor,
  plan:post -> planner contributions, external_job.* config keys, default-off)
  + fragments teaching runtime-budget classification and externalization.
- src/external-job.cts -> gsd-core/bin/lib/external-job.cjs — pure producer
  module: SLURM state -> manifest-status map (no guessing), manifest
  build/validate (versioned stability contract), sbatch/squeue/sacct parsers,
  and a fail-closed manifest writer (refuses a second non-terminal job for a
  plan_id already in flight; refuses to clobber a malformed manifest). fs/clock
  seams for deterministic tests.
- scripts/slurm-adapter.cjs — operator CLI (submit/poll/show) wrapping bounded
  sbatch/squeue/sacct subprocesses; surfaces manifest commands for confirmation
  and never auto-runs them (trust boundary).
- tests/external-job.test.cjs — 23 behavioral + fast-check property tests.
- docs/reference/long-running-operations.md + docs/how-to/async-external-jobs.md.
- CONTEXT.md glossary entry for the External-job Capability.
- Regenerated capability-registry.cjs; pruned the now-stale test-file-count
  allowlist entry (external-job is at the 2-file cap).

* chore(#1105): backfill PR number in changeset

* fix(#1105): sync capability artifacts + update registry shape-pin tests

gsd-test caught that adding the external-job capability requires its
dependent artifacts regenerated and its registry-shape drift absorbed:

- sync-manifest-versions: stamp 1.7.0-rc.2 into capability.json (was 1.0.0).
- gen-capability-matrix --write: regenerate docs/reference/capability-matrix.md.
- gen-inventory-manifest --write: regenerate docs/INVENTORY-MANIFEST.json.
- check-gap-analysis-plan-post-e2e: plan:post now has 1 contribution
  (external-job planner fragment) instead of 0.
- execute-wave-post-gate-pipeline-e2e: execute:wave:post now has 2
  contributions (mempalace + external-job) instead of 1.

* fix(#1105): regenerate capability-registry after version stamp

sync-manifest-versions re-stamped external-job/capability.json from
1.0.0 to 1.7.0-rc.2 after the last registry regeneration, leaving the
committed capability-registry.cjs stale (CI gen-capability-registry
--check failed). gsd-test masked this because its setup runs the full
'npm run build' (which regenerates the registry); CI's 'npm test'
pretest only runs build:lib.
2026-07-03 19:37:38 -04:00

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<!-- external-job capability — plan:post fragment, injected into the planner (#1164). -->
## Tag runtime budgets on long tasks
For every `<task>` likely to exceed ~2 minutes of real compute, emit a
`<runtime_budget>` child element so execute can classify it:
- `<runtime_budget>quick</runtime_budget>` — under ~2 min; runs normally.
- `<runtime_budget>medium</runtime_budget>` — ~2–30 min; foreground, but with
progress expectations.
- `<runtime_budget>unknown</runtime_budget>` — runtime not yet characterized;
execute must run a first-health check and set a soft-review deadline before
trusting the child timeout. Define a progress signal and an abort condition.
- `<runtime_budget>long_compute</runtime_budget>` — legitimately over ~30–60 min
(HPC solver, model training, large simulations). Execute must **externalize**
this as an async external job (see the execute:wave:post fragment) rather than
blocking the agent turn.
For any `long_compute` task, also declare the async contract the executor will
need: the `submit_command`, the `expected_artifacts` the job must produce, and
the `verification_command` that proves the output before the plan can close.
Do not hardcode a cluster account, partition, or project path — the planner
never knows the scheduler layout; it declares the contract, the executor's
adapter fills the backend specifics.