AI Client: add logo generator over quota notice

[CGastrell]

Proposed changes:

Add over quota notice for AI Logo generator Handle some cases when tier plans are disabled Fix checkout URL for non tiered plans

Other information:

• [ ] Have you written new tests for your changes, if applicable?
• [ ] Have you checked the E2E test CI results, and verified that your changes do not break them?
• [ ] Have you tested your changes on WordPress.com, if applicable (if so, you'll see a generated comment below with a script to run)?

Jetpack product discussion

p1724958837365959/1724866663.901329-slack-C054LN8RNVA

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

No

Testing instructions:

Sandbox the public API. Purchase a tier plan (you need to have tier plans enabled for this), otherwise the AI logo generator doesn't work.

Once you have a tiered plan, disable tiers and setup as unlimited plan over fair usage:

add_filter( 'jetpack_ai_tier_plans_enabled', '__return_false' );
add_filter( 'jetpack_ai_current_period_requests_count', function() { return 3001; } );
add_filter( 'jetpack_ai_all_time_requests_count', function() { return 4040; } );
add_filter( 'jetpack_ai_tier_licensed_quantity', function() { return 1; } );

Open the editor and insert a logo block, use the AI button to open the AI generator modal. The modal should show an error notice with a link to AI guidelines.

Test by changing the current period request count below 3k and reload the editor, you should be able to use the AI logo generator.

Test a couple other scenarios as well to confirm functionality.

[github-actions[bot]]

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 WordPress.com Simple 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, and enable the add/logo-ai-generator-over-quota-notice branch.

• To test on Simple, run the following command on your sandbox:

  bin/jetpack-downloader test jetpack add/logo-ai-generator-over-quota-notice
  

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[bot]]

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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