Upgrade caretaker from v0.12.0 to v0.17.0

[Copilot]

Bumps the caretaker maintenance system to v0.17.0, picking up three bug fixes.

Changes

• .github/maintainer/.version: 0.12.0 → 0.17.0

What's in v0.17.0

• QA-scenario suppression: Issues containing <!-- caretaker:qa-scenario --> are now skipped by all triage passes and the classify/dispatch loop — synthetic test fixtures were being incorrectly acted on
• Empty PR body closing: close_empty_body_prs() added to pr_triage.py, hooked into run_pr_triage(), applies to all authors
• Copilot escalation exemption: Copilot PRs with action_required CI are no longer flagged as stalled — these are awaiting owner workflow approval, not stuck

[github-actions]

🏠 Caretaker Status

Status: ⏳ Monitoring — awaiting requirements

Readiness Score: 20%

Readiness Breakdown

Component	Score
Mergeable & non-draft	0%
Automated feedback	20%
Reviews approved	0%
CI passing	0%
Total	20%

Blockers

• draft_pr
• required_review_missing
• ci_pending

Ownership

• Owner: caretaker
• Claimed: 2026-04-23 08:36 UTC

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This comment is edited in place as the PR progresses. Automated by Caretaker.

[ianlintner]

Closing stale draft upgrade to v0.17.0. A fresh direct-to-v0.19.1 upgrade will be dispatched shortly.