feat(i18n-doc): add support for disabling automatic template creation via addTemplates

[Jamiewarb]

Description

This PR adds support for disabling automatic template creation via the addTemplates config option

This allows future-proofed disabling of the templates when a user manages them within their own codebase, without needing to looking up template IDs to un-register them, and without needing to check if they've changed each time they update the plugin

By default addTemplates is true to maintain backwards compatibility

What to review

Add addTemplates: false to the i18n-doc plugin config in the test studio.

You'll then be able to see your templates are no longer being added, e.g. via the New Document global menu

Testing

There aren't tests for what what the plugin config outputs currently. However I conducted manual testing to ensure the templates weren't created when addTemplates was false

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🦋 Changeset detected

Latest commit: 40ede22

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@sanity/document-internationalization	Minor

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Project	Deployment	Actions	Updated (UTC)
plugins-studio	Ready	Preview, Comment	Apr 8, 2026 0:31am

[Copilot]

Pull request overview

Adds a new plugin configuration option to disable automatic initial value template creation in @sanity/document-internationalization, preserving current behavior by default.

Changes:

• Introduces addTemplates?: boolean on the plugin config surface.
• Gates schema template generation behind the addTemplates option.
• Sets addTemplates: true in the plugin default config and adds a changeset for a minor release.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
plugins/@sanity/document-internationalization/src/types.ts	Adds the addTemplates config option to the public PluginConfig type.
plugins/@sanity/document-internationalization/src/plugin.tsx	Skips adding templates when addTemplates is disabled.
plugins/@sanity/document-internationalization/src/constants.ts	Defaults addTemplates to true for backward compatibility.
.changeset/odd-mangos-knock.md	Declares a minor version bump and documents the new option.

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[pedrobonamin]

Thank you for this @Jamiewarb !
The change looks good to me, merging it now and doing a release.