test(automation): big-loop run-history integration test + fix pre-existing test-file type errors

[os-zhuang]

Summary

Two test-only hardening follow-ups to the #3234 region-aware history compaction (merged in #3240). No src/ runtime/API change, so this releases nothing (empty changeset).

1. End-to-end integration test (#3234)

The compaction fix was covered by pure-function unit tests over synthetic step logs. This adds a run-history.test.ts case that drives the real engine path: register a loop container over a 250-item collection (> MAX_PERSISTED_HISTORY_STEPS), execute → recordTerminal → spin up a fresh engine sharing the same durable store (simulating a restart) → getRun. It asserts the rehydrated, compacted history row:

• stays within the cap,
• retains the loop container step (pre-Long-loop run history truncation drops container + early-iteration step logs (compactStepsForHistory) #3234 the plain tail-slice dropped it),
• keeps the most-recent iteration, and
• has no orphaned body steps — so the observability surface can still nest what survived.

This pins the engine's fold-into-run-log (#1479) + persist (#2585) + compact (#3234) chain, not just the pure function.

2. Clear pre-existing tsc --noEmit errors in the package's test files

@objectstack/service-automation accumulated 11 type errors in *.test.ts files (invisible to the tsup build and to vitest, which don't type-check tests, and to CI's type-check which excludes them). Fixed so the whole package type-checks clean:

• engine.test.ts — add the now-required maturity: 'ga' to two inline action descriptors; underscore an unused executor param.
• nested-composition.test.ts — type the {}-inferred flow output before indexing it.
• connector-descriptor-audit.test.ts — annotate two implicit-any callback params.
• connector-nodes.test.ts / connector-materialization.test.ts — as unknown as Connector on the partial connector-def test doubles (the materializer reads only a subset at runtime, which is why vitest passed).

Verification

• Full @objectstack/service-automation suite — 329/329 pass.
• tsc --noEmit on the package — 0 errors (was 11).
• Changeset gates pass locally (check-changeset-no-major ✓, check-changeset-fixed ✓); empty changeset = no release.

🤖 Generated with Claude Code

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Project	Deployment	Actions	Updated (UTC)
spec	Ready	Preview, Comment	Jul 19, 2026 6:29am

[github-actions]

📓 Docs Drift Check

This PR changes 1 package(s): packages/services.

6 hand-written doc(s) reference the affected code and may need an implementation-accuracy re-verification:

• content/docs/automation/webhooks.mdx (via packages/services)
• content/docs/kernel/runtime-services/audit-service.mdx (via packages/services)
• content/docs/kernel/runtime-services/index.mdx (via packages/services)
• content/docs/kernel/runtime-services/settings-service.mdx (via packages/services)
• content/docs/plugins/packages.mdx (via packages/services)
• content/docs/protocol/kernel/i18n-standard.mdx (via packages/services)

Advisory only. To re-verify, run the docs-accuracy-audit workflow scoped to these files:
node scripts/docs-audit/affected-docs.mjs origin/main → pass the list as args.docs.