Agents Manager: add support for disconnected variants

[johngodley]

Adds disconnected variants to the Agents Manager init file. These load minimal versions that insert help icons in:

• wp-admin
• Gutenberg
• CIAB

It also fixes an issue with P2

Fixes #

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

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

Testing instructions:

• In a sandbox run: bin/jetpack-downloader test jetpack-mu-wpcom-plugin update/agents-manager-disconnected
• In Calyspo:
  • cd apps/agents-manager
  • yarn dev --sync

P2 (with unified UI enabled and disabled)

• Load a P2
• Confirm no ? appears in the menu

wp-admin (with unified UI disabled)

• Load a wp-admin page
• Check the console that [AgentsManager] wp-admin-disconnected variant loaded (minimal mode) appears
• Confirm that agents-manager-wp-admin-disconnected.css and js loads (small size)
• Confirm that the ? appears in the admin bar as normal, and clicking it opens https://wordpress.com/support/

wp-admin (with unified UI enabled)

• Load a wp-admin page
• Confirm agents-manager-wp-admin.css and js loaded
• Confirm ? icon the admin bar, and clicking it opens a dropdown. Clicking items opens the chat UI

Gutenberg (with unified UI disabled)

• Edit a post
• Confirm [AgentsManager] gutenberg-disconnected variant loaded (minimal mode) appears in the console
• Confirm that agents-manager-disconnected-gutenberg.css and js are loaded and are small
• Confirm a ? appears in the toolbar and clicking it goes to the support page
• You will still have a Big Sky dock icon, but this is not from Agents Manager

Gutenberg (with unified UI enabled)

• Edit a post
• Confirm no disconnected console log
• Confirm agent-manager-gutenberg.css and js are loaded
• Agents Manager UI appears as normal
• Confirm no ? icon in the editor toolbar

CIAB (with unified UI enabled)

• Set up a CIAB dev site with a .wp-env.override.json file (shown below)
• wp-env start
• Edit class-agents-manager.php in Jetpack, and shortcut should_use_unified_experience to return true - this fakes the unified UI
• Load up CIAB and go to wp-admin
• Confirm the agents-manager-ciab-disconnected.css and js is not loaded
• Click the ? icon the bottom left corner and confirm a menu appears

CIAB (with unified UI disabled)

• Set up a CIAB dev site with a .wp-env.override.json file (shown below)
• wp-env start
• Load up CIAB and go to wp-admin
• Confirm the console says [AgentsManager] ciab-disconnected variant loaded (minimal mode)
• Confirm the agents-manager-ciab-disconnected.css and js is loaded
• Confirm ? in the bottom left corner
• Click it and confirm you go to the support page.

CIAB config:
This basically just maps the Agents Manager Jetpack plugin to your code

{
  "port": 11080,
  "testsPort": 11089,
  "config": {
    "WP_MEMORY_LIMIT": "512M"
  },
  "mappings": {
    "wp-content/plugins/agents-manager": "[PATH TO AGENTS MANAGER IN JETPACK]"
  }
}

[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 (WordPress.com Site Helper), and enable the update/agents-manager-disconnected branch.
• To test on Simple, run the following command on your sandbox:

bin/jetpack-downloader test jetpack-mu-wpcom-plugin update/agents-manager-disconnected

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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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 🤖

---

Follow this PR Review Process:

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[jp-launch-control]

Code Coverage Summary

Coverage changed in 1 file.

File	Coverage	Δ%	Δ Uncovered
projects/packages/jetpack-mu-wpcom/src/features/agents-manager/class-agents-manager.php	209/353 (59.21%)	-3.29%	30 💔

Full summary · PHP report

_{Coverage check overridden by I don't care about code coverage for this PR Use this label to ignore the check for insufficient code coveage. .}