chore(main): release 1.9.0

[openhands-release-bot]

🤖 I have created a release beep boop

1.9.0 (2026-08-24)

What's Changed

Features

• feat: add structured task outcomes to preset finish tool by @malhotra5 in feat: add structured task outcomes to preset finish tool #334
• feat: replace the parse-only source registry with a provider descriptor and verifier registry by @VascoSch92 in feat: replace the parse-only source registry with a provider descriptor and verifier registry #378
• feat: persist accepted events to deduplicate redeliveries and expose events that matched nothing by @VascoSch92 in feat: persist accepted events to deduplicate redeliveries and expose events that matched nothing #381

Bug Fixes

• fix: capture automation failure modes as status states by @malhotra5 in fix: capture automation failure modes as status states #345
• fix: treat missing tarball objects as permanent and defer superseded deletes until commit by @hieptl in fix: treat missing tarball objects as permanent and defer superseded deletes until commit #356
• fix: bump SDK to 1.43.1 by @malhotra5 in fix: bump SDK to 1.43.1 #365

Performance

• perf: remove redundant readiness query by @Linxiushen in perf: remove redundant readiness query #303

Maintenance

• chore: add Dependabot configuration by @neubig in chore: add Dependabot configuration #372
• ci(deps): bump docker/login-action from 3 to 4 by @dependabot[bot] in ci(deps): bump docker/login-action from 3 to 4 #373
• refactor: extract a transport-neutral accept_event() from the webhook handler by @VascoSch92 in refactor: extract a transport-neutral accept_event() from the webhook handler #367
• chore: bump SDK to 1.43.1 by @all-hands-bot in chore: bump SDK to 1.43.1 #364

New Contributors

• @dependabot[bot] made their first contribution in ci(deps): bump docker/login-action from 3 to 4 #373

Full Changelog: 1.8.0...1.9.0

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