fix(vtex): give the birthday matcher its own icon

[guitavano]

Summary

Changes the birthday matcher's @icon from calendar-event → gift. It previously shared the calendar icon with the generic Date matcher; a gift gives the birthday matcher its own identity in the admin's matcher picker.

Note

An earlier revision of this PR also flattened userSegment's union Props into an enum, to work around the admin not rendering discriminated unions. That's been reverted — the admin (Studio) is being fixed to render union Props as a branch selector (with the interface @titles as labels, like the legacy admin did), so userSegment keeps its nicer union-of-interfaces source. Only birthday.ts changes here now.

🤖 Generated with Claude Code

[github-actions]

Tagging Options

Should a new tag be published when this PR is merged?

• 👍 for Patch 0.160.1 update
• 🎉 for Minor 0.161.0 update
• 🚀 for Major 1.0.0 update

[coderabbitai]

📝 Walkthrough

Walkthrough

The PR changes the birthday matcher icon metadata and replaces the user segment matcher’s discriminated-union props with a unified exported interface whose optional months field applies to all segment values.

Changes

Birthday matcher icon

Layer / File(s)	Summary
Update birthday matcher icon vtex/matchers/birthday.ts	Changes the matcher icon metadata from calendar-event to gift.

User segment Props contract

Layer / File(s)	Summary
Unify user segment Props vtex/matchers/userSegment.ts	Replaces segment-specific interfaces and the discriminated union with an exported Props interface; months is optional across all segment values.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• deco-cx/apps#1580: Introduced the birthday matcher in the same file whose icon metadata is updated here.
• deco-cx/apps#1586: Contains related user segment matcher work involving the exported Props shape.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description summarizes the change, but it doesn't follow the required template sections or include issue, Loom, or demo links.	Rewrite it using the repo template: add What is this Contribution About, Issue Link, Loom Video, and Demonstration Link sections.

✅ Passed checks (4 passed)

Check name	Status	Explanation
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.
Title check	✅ Passed	The title matches the birthday icon change, which is a real part of the changeset, though it doesn't mention the reverted userSegment work.

✨ 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 guitavano/vtex-matcher-forms

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[cubic-dev-ai]

No issues found across 2 files

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