Add moon conditions

[nielsrowinbik]

Proposed change

Adds conditions to the moon domain.

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 #
• This PR is related to issue:
• Link to documentation pull request: Add moon conditions documentation home-assistant.io#46882
• Link to developer documentation pull request:
• Link to frontend pull request:

Checklist

• I understand the code I am submitting and can explain how it works.
• The code change is tested and works locally.
• Local tests pass. Your PR cannot be merged unless tests pass
• There is no commented out code in this PR.
• I have followed the development checklist
• I have followed the perfect PR recommendations
• The code has been formatted using Ruff (ruff format homeassistant tests)
• Tests have been added to verify that the new code works.
• Any generated code has been carefully reviewed for correctness and compliance with project standards.

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated for www.home-assistant.io

If the code communicates with devices, web services, or third-party tools:

• The manifest file has all fields filled out correctly.
  Updated and included derived files by running: python3 -m script.hassfest.
• New or updated dependencies have been added to requirements_all.txt.
  Updated by running python3 -m script.gen_requirements_all.
• For the updated dependencies a diff between library versions and ideally a link to the changelog/release notes is added to the PR description.

To help with the load of incoming pull requests:

• I have reviewed two other open pull requests in this repository.

[home-assistant]

Hey there @fabaff, @frenck, mind taking a look at this pull request as it has been labeled with an integration (moon) you are listed as a code owner for? Thanks!

Code owner commands

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[Copilot]

Pull request overview

Adds moon phase, waxing, and waning conditions to the Moon integration.

Changes:

• Implements and registers three moon conditions.
• Adds condition selectors, translations, and icons.
• Adds validation and behavior tests.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
homeassistant/components/moon/condition.py	Implements moon conditions.
homeassistant/components/moon/conditions.yaml	Defines condition metadata and selector.
homeassistant/components/moon/helpers.py	Adds waxing calculation.
homeassistant/components/moon/icons.json	Adds condition icons.
homeassistant/components/moon/strings.json	Adds condition translations.
tests/components/moon/test_condition.py	Tests validation and condition results.