Podcast: page chrome + empty tabs in dashboard route (3/4)

[arcangelini]

PR 3 of 4 in the Podcast untangle train

Proposed changes

Replaces the wp-build <h1>Podcast</h1> placeholder with page chrome (title, tagline) plus a four-tab navigation (Welcome, Settings, Episodes, Distribution) using @wordpress/ui Tabs. Each tab panel renders an empty placeholder. Still gated behind the jetpack_podcast_untangle filter (PR 1) — no behavior change for any user with the filter off.

The full AdminPage integration from @automattic/jetpack-components\ (with footer, base-styles SCSS, etc.) lands together with the real tab contents in PR 4 — keeping that wiring out of the scaffold avoids dragging number-formatters / base-styles transitive deps through wp-build's bundler before they're needed.

Stacked on #48557. Upstream consolidation PR: #48499.

Does this pull request change what data or activity we track or use?

No.

Testing instructions

1. Enable the filter add_filter( 'jetpack_podcast_untangle', '__return_true' );
2. Go to /wp-admin and make sure Podcast (not PodcastING) shows under Jetpack
3. Podcast should load a page with 4 tabs
4. Disable the filter and it should all go bye-bye

[github-actions]

Are you an Automattician? Please test your changes on all WordPress.com environments to help mitigate accidental explosions.

• To test on WoA, go to the Plugins menu on a WoA dev site. Click on the "Upload" button and follow the upgrade flow to be able to upload, install, and activate the Jetpack Beta plugin. Once the plugin is active, go to Jetpack > Jetpack Beta, select your plugin (Jetpack or WordPress.com Site Helper), and enable the add/podcast-admin-tabs-scaffold branch.
• To test on Simple, run the following command on your sandbox:

bin/jetpack-downloader test jetpack add/podcast-admin-tabs-scaffold

bin/jetpack-downloader test jetpack-mu-wpcom-plugin add/podcast-admin-tabs-scaffold

Interested in more tips and information?

• In your local development environment, use the jetpack rsync command to sync your changes to a WoA dev blog.
• Read more about our development workflow here: PCYsg-eg0-p2
• Figure out when your changes will be shipped to customers here: PCYsg-eg5-p2

[github-actions]

Thank you for your PR!

When contributing to Jetpack, we have a few suggestions that can help us test and review your patch:

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• ✅ Add a "[Status]" label (In Progress, Needs Review, ...).
  
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• ✅ Add changelog entries to affected projects
  

This comment will be updated as you work on your PR and make changes. If you think that some of those checks are not needed for your PR, please explain why you think so. Thanks for cooperation 🤖

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Follow this PR Review Process:

1. Ensure all required checks appearing at the bottom of this PR are passing.
2. Make sure to test your changes on all platforms that it applies to. You're responsible for the quality of the code you ship.
3. You can use GitHub's Reviewers functionality to request a review.
4. When it's reviewed and merged, you will be pinged in Slack to deploy the changes to WordPress.com simple once the build is done.

If you have questions about anything, reach out in #jetpack-developers for guidance!

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Jetpack plugin:

No scheduled milestone found for this plugin.

If you have any questions about the release process, please ask in the #jetpack-releases channel on Slack.

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Mu Wpcom plugin:

• Next scheduled release: WordPress.com Simple releases happen semi-continuously (PCYsg-Jjm-p2)

If you have any questions about the release process, please ask in the #jetpack-releases channel on Slack.

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Wpcomsh plugin:

• Next scheduled release: Atomic deploys happen twice daily on weekdays (p9o2xV-2EN-p2)

If you have any questions about the release process, please ask in the #jetpack-releases channel on Slack.

[jp-launch-control]

Code Coverage Summary

Coverage changed in 1 file.

File	Coverage	Δ%	Δ Uncovered
projects/plugins/jetpack/class.jetpack.php	748/2276 (32.86%)	0.01%	-1 💚

Full summary · PHP report · JS report