[thinhnx128]

Summary

Adds an optional ui.publishNotice configuration in @keystatic/core (packages/keystatic/src/config.tsx) and renders a dismissible Notice banner in packages/keystatic/src/app/updating.tsx after an entry is saved.

Root Cause

Projects using Keystatic with CI/CD pipelines (such as GitHub Actions or scheduled static builds) had no built-in way to inform editors after clicking Save that their changes require a background deployment before appearing on the live site.

Changes

• packages/keystatic/src/config.tsx: add optional publishNotice (string | { message: string; tone?: "info" | "caution" | "positive" }) to UserInterfaceConfig.
• packages/keystatic/src/app/updating.tsx: add resolvePublishNotice helper and render the configured notice when state.kind === "updated".
• packages/keystatic/src/app/updating.test.ts: add unit tests covering string, object, empty, and undefined publishNotice configurations.
• .changeset/post-save-publish-notice.md: include patch changeset for @keystatic/core.

Testing

• pnpm --filter @keystatic/core test packages/keystatic/src/app/updating.test.ts

Fixes #1643

[changeset-bot]

🦋 Changeset detected

Latest commit: d981685

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

This PR includes changesets to release 4 packages

Name	Type
@keystatic/core	Minor
@keystatic/templates-astro	Patch
@keystatic/templates-nextjs	Patch
@keystatic/templates-remix	Patch

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