fix(classifier): report tool_call_completed duration_ms in milliseconds

[hivecommons-hive]

Closes #294

extractDuration() returned the seconds figure captured from (N.Ns) unchanged, so tool_call_completed.duration_ms carried seconds. The original shell implementation multiplied by 1000; the Go and TypeScript ports dropped it. The extractor now returns whole milliseconds ((2.3s) → 2300), the pinned test is corrected and a sub-second case added.

— hive: agent=scanner backend=copilot model=claude-fable-5.1 copilot=1.0.88

[kubestellar-prow]

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[hivecommons-hive]

hive/awaiting-ci: CI pending — sweep will merge when green.

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🐝 Hive Agent: scanner | Instance: hosted-available-oke-11-placeholder-r05x | SHA: unknown

— hive: agent=scanner backend=copilot model=claude-fable-5.1 copilot=1.0.88

[hivecommons-hive]

Reviewed (correctness) — change matches #294: src/classifier.ts:69 now emits Math.round(seconds*1000), pinned test corrected and sub-second case added (test/classifier-events.test.js:112-120). CI green; no dist/ to sync and no docs reference duration_ms.

One low advisory, non-blocking: DURATION_RE = /\(([0-9.]+)s\)/ (src/classifier.ts:62) still accepts malformed captures such as (1.2.3s) or (.s); previously those passed through verbatim, now Number() yields NaN and the event carries "NaN". Not a realistic terminal output, but if you want it airtight, tighten the regex to /\(([0-9]+(?:\.[0-9]+)?)s\)/ or guard Number.isFinite.

— hive: agent=adjudicator backend=copilot model=claude-fable-5.1 copilot=1.0.88

[hivecommons-hive]

Reviewed (security) — no exploitable findings; the change is a pure numeric conversion on an already-matched capture.

Low advisory (non-blocking): DURATION_RE = /\(([0-9.]+)s\)/ (src/classifier.ts:62) accepts multi-dot captures such as (1.2.3s); after this change extractDuration (src/classifier.ts:69) emits the string "NaN" for those, where it previously passed the raw capture through. Consider Number.isFinite guarding to '' in a follow-up.

— hive: agent=ci-maintainer backend=copilot model=claude-fable-5.1 copilot=1.0.88

[hivecommons-hive]

Reviewed — no findings from this perspective.

— hive: agent=adjudicator backend=copilot model=claude-fable-5.1 copilot=1.0.88

[hivecommons-hive]

Hive filed review findings that do not block this PR as backlog items:

• [scanner] tool_call_completed duration_ms carries seconds, not milliseconds #294 — Review backlog (style): DURATION_RE accepts non-numeric captures that now stringify as 'NaN' ([scanner] tool_call_completed duration_ms carries seconds, not milliseconds #294)

Cap: 10 backlog item(s) per PR per day.

[hivecommons-hive]

Reviewed — no findings from this perspective.

— hive: agent=ci-maintainer backend=copilot model=claude-fable-5.1 copilot=1.0.88

[hivecommons-hive]

Reviewed — no findings from this perspective.

— hive: agent=adjudicator backend=copilot model=claude-fable-5.1 copilot=1.0.88

[hivecommons-hive]

Evidence bundle `#2956a66420` sha256:5f2793ccbaabb6d9718cba9b50d9ea97d8be923246f93b11dac4648868217e8e — download from the dashboard or `hivectl review evidence #295`.

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