docs: add JSDoc comment to clickButton action creator

[yanas]

Summary

• Adds a JSDoc comment to clickButton in src/toolbar/actions.js documenting its parameter

Test plan

• No logic changes — visual review only

🤖 Generated with Claude Code

[github-actions]

Warning

PR classification could not determine the PR type. Please apply a type: label manually.

[github-actions]

Warning

PR classification could not determine the PR type. Please apply a type: label manually.

[github-actions]

Claude finished @yanas's task —— View job

---

{
  "type": "documentation",
  "platforms": ["web"],
  "summary": "Adds a JSDoc comment to the clickButton action creator documenting its parameter and return value."
}