feat(plugins): add locale to ContentItem

[jdevalk]

What does this PR do?

Adds locale to the plugin-facing ContentItem type. Follow-up to #536, which added slug/status/publishedAt but left locale out.

Why: plugins that build i18n URLs from content records (sitemaps, llms.txt, schema maps, alternate-language link graphs, etc.) need the locale to pick the correct URL prefix. Without it they fall back to the default locale and emit wrong URLs on multilingual sites — the failure is silent on single-locale sites (the locale always equals the default) and only surfaces when someone enables i18n.

The internal ContentRepository entity already carries locale (it's a real column on every ec_* table). This PR just plumbs it through the public API, matching the pattern #536 established for the other system fields.

Discussion: #530 — maintainer explicitly invited PRs in a comment on that thread.

Type of change

• Feature (additive to ContentItem — purely expanding the returned shape, no behavior change for existing consumers)

Checklist

• I have read CONTRIBUTING.md
• pnpm typecheck passes (core)
• pnpm format run
• Changeset added (emdash minor)
• Tests — feat(plugins): expand ContentItem fields and fire afterDelete hooks #536 shipped without new tests for the same surface; following precedent. Happy to add a context.ts unit test if reviewers want one.

AI-generated code disclosure

• This PR includes AI-generated code

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Sibling PR coming for ContentListOptions.where.status — the second piece of #530 that #536 didn't cover. Keeping it separate since it's a query-API change rather than a shape expansion.

[changeset-bot]

🦋 Changeset detected

Latest commit: ff33c88

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

This PR includes changesets to release 9 packages

Name	Type
emdash	Minor
@emdash-cms/cloudflare	Minor
@emdash-cms/admin	Minor
@emdash-cms/auth	Minor
@emdash-cms/blocks	Minor
@emdash-cms/gutenberg-to-portable-text	Minor
@emdash-cms/x402	Minor
create-emdash	Minor
@emdash-cms/plugin-embeds	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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commit: ff33c88

[Copilot]

Pull request overview

This PR expands the plugin-facing content access API by adding locale to the ContentItem type, plumbing through an already-existing database column so plugins can generate correct i18n-aware URLs and related artifacts.

Changes:

• Add locale: string | null to the exported plugin ContentItem type.
• Include locale in the runtime objects returned by ctx.content.get(), ctx.content.list(), ctx.content.create(), and ctx.content.update().
• Add a Changeset bumping emdash as a minor release for the additive public API expansion.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
packages/core/src/plugins/types.ts	Extends the plugin API surface (ContentItem) with the locale field.
packages/core/src/plugins/context.ts	Adds locale to the mapped objects returned by plugin content access methods (read + write).
.changeset/content-item-locale.md	Declares a minor version bump and documents the plugin-facing API addition.

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[ascorbic]

Thanks