Add support for options to todo triggers

[emontnemery]

Proposed change

Add support for options to todo triggers

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New integration (thank you!)
• New feature (which adds functionality to an existing integration)
• Deprecation (breaking change to happen in the future)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes #
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[home-assistant]

Hey there @home-assistant/core, mind taking a look at this pull request as it has been labeled with an integration (todo) you are listed as a code owner for? Thanks!

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[Copilot]

Pull request overview

This pull request updates the todo trigger implementation to include an options block in trigger validation (aligning it with the newer trigger options model) and adds tests to verify labs gating and options validation behavior for the todo triggers.

Changes:

• Add CONF_OPTIONS to the todo trigger schema with a default empty options dict.
• Add tests asserting todo triggers are gated behind the Labs preview flag.
• Add tests asserting todo triggers’ options validation behavior (no behavior/duration support; unknown options rejected).

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
homeassistant/components/todo/trigger.py	Extends todo trigger config validation to always include an options dict (default {}), enabling options-aware validation flow.
tests/components/todo/test_trigger.py	Adds coverage for Labs gating and for validating which trigger options are accepted/rejected for todo triggers.