feat(builders): modal select menus in builders v1

[vladfrangu]

Please describe the changes this PR makes and why it should be merged:

• Resolves Label support for @discordjs/builders v1 #11076
• Resolves Select menus and text display support for modals for @discordjs/builders v1 #11086

Status and versioning classification:

[vercel]

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2 Skipped Deployments

Project	Deployment	Preview	Comments	Updated (UTC)
discord-js	Ignored	Preview		Oct 6, 2025 10:10pm
discord-js-guide	Ignored	Preview		Oct 6, 2025 10:10pm

[codecov]

Codecov Report

❌ Patch coverage is 54.34783% with 126 lines in your changes missing coverage. Please review.
✅ Project coverage is 37.65%. Comparing base (437bb94) to head (6906fec).
⚠️ Report is 1 commits behind head on builders/1.x.

Files with missing lines	Patch %	Lines
packages/builders/src/components/label/Label.ts	15.00%	68 Missing ⚠️
packages/builders/src/interactions/modals/Modal.ts	29.50%	43 Missing ⚠️
...s/builders/src/components/selectMenu/Assertions.ts	87.95%	10 Missing ⚠️
...ilders/src/components/selectMenu/BaseSelectMenu.ts	40.00%	3 Missing ⚠️
packages/builders/src/components/Components.ts	33.33%	2 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##           builders/1.x   #11138      +/-   ##
================================================
+ Coverage         37.41%   37.65%   +0.23%     
================================================
  Files               237      240       +3     
  Lines             14773    15030     +257     
  Branches           1345     1346       +1     
================================================
+ Hits               5528     5659     +131     
- Misses             9201     9327     +126     
  Partials             44       44              

Flag	Coverage Δ
builders	88.68% <54.34%> (-4.69%)	⬇️

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[Copilot]

Pull Request Overview

This PR adds support for modal select menus in builders v1 by introducing a new LabelBuilder component and updating the modal system to support both traditional action rows and the new label components. The changes enable developers to create more flexible modal interfaces with labeled form controls.

Key changes:

• Introduces LabelBuilder for creating labeled form components in modals
• Updates ModalBuilder to support both action rows and label components
• Modifies text input and select menu components to work within the new label system

Reviewed Changes

Copilot reviewed 14 out of 17 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
packages/builders/src/interactions/modals/Modal.ts	Updated modal builder to support label components alongside action rows
packages/builders/src/components/label/Label.ts	New label builder implementation for modal form components
packages/builders/src/components/textInput/TextInput.ts	Deprecated label property in favor of separate label builder
packages/builders/src/components/selectMenu/BaseSelectMenu.ts	Added required field support for select menus in modals
packages/builders/src/components/selectMenu/Assertions.ts	New validation predicates for select menu components
packages/builders/src/components/Components.ts	Updated component factory to handle label components

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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