refactor: update button click tracking events (backport of #2104)

[edwinjosechittilappilly]

Summary

Backports #2104 from release-saas-ga-0.6.2 to main.

Test plan

• CI passes

Summary by CodeRabbit

• Analytics
  • Updated button click tracking to use the “CTA Clicked” event name.
  • CTA details are now required when recording button interactions.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: a2a7b1ff-eca7-42b8-b51a-e19c8021e111

📥 Commits

Reviewing files that changed from the base of the PR and between 57b1fe7 and e913e09.

📒 Files selected for processing (1)

• frontend/lib/analytics.ts

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Walkthrough

trackButton now requires a CTA value and emits "CTA Clicked" instead of "Button Clicked", while retaining existing action defaults and property merging.

Changes

CTA analytics

Layer / File(s)	Summary
Analytics contract and event emission frontend/lib/analytics.ts	ButtonEventParams.CTA is required, and trackButton emits "CTA Clicked" with the existing payload behavior.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• langflow-ai/openrag#1971: Updates related trackButton usage and analytics typing.
• langflow-ai/openrag#2104: Makes the same analytics contract and event-name updates.

Suggested labels: bug

Suggested reviewers: mfortman11

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the main change: updating button click tracking events.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch backport/2104-button-click-tracking

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[mpawlow]

Code Review 1

• ✅ Approved / LGTM 🚀