chore(main): release 1.20.19

[agents-workflows-bot]

🤖 I have created a release beep boop

1.20.19 (2026-08-09)

Bug Fixes

• agents: address sync review debt (#3005) (4b20bd3)
• agents: classify conventional local PR branches (#3008) (7a1347e)
• agents: stop the format guard inverting its own label checks (#2994) (d49a908)
• issues: harden formatter contract handling (#3004) (102f1fb)
• labels: sync core labels with a cross-repo token and fail the job on write errors (#3011) (d77080c)

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[stranske-keepalive]

Automated Status Summary

Head SHA: f45b871
Latest Runs: ⏳ pending — Gate
Required contexts: summary
Required: core tests (3.12): ⏳ pending, core tests (3.13): ⏳ pending, docker smoke: ⏳ pending, gate: ⏳ pending

Workflow / Job	Result	Logs
(no jobs reported)	⏳ pending	—

Coverage Overview

• Coverage history entries: 0

Updated automatically; will refresh on subsequent CI/Docker completions.

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Keepalive checklist

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[agents-workflows-bot]

🤖 Created releases:

• v1.20.19

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