Align OpenBrain ability name and identifier

[Jmesmykil]

What does this Ability do?

Follow up on the naming note in #376: change the DevKit ability's display name to OpenBrain, its unique_name to openbrain, and the README title to match community/openbrain.

Suggested Trigger Words

Existing trigger words are unchanged.

Type

• Bug fix
• Documentation update

External APIs

No API integration changes.

Testing

• python3 validate_ability.py community/openbrain passed.
• Parsed the JSON and verified only name and unique_name changed.
• Checked repository references: no callers depend on astral-devkit, and no other config uses openbrain.
• git diff --check passed.
• OpenHome Live Editor/device deployment was not tested for this metadata change.

Checklist

• Changes stay within community/openbrain/.
• README title matches the configured display name.
• Ability validation passes.

Anything else?

This changes the repository metadata; it does not rename or redeploy an existing installed ability.

[github-actions]

🔀 Branch Merge Check

PR direction: fix-openbrain-name → dev

✅ Passed — fix-openbrain-name → dev is a valid merge direction

[github-actions]

✅ Community PR Path Check — Passed

All changed files are inside the community/ folder. Looks good!

[github-actions]

✅ Ability Validation Passed

📋 Validating: community/openbrain
  ✅ All checks passed!