Remove iframe-resizer and render support page locally

[danieliser]

Summary

• replace the externally hosted Help & Support iframe with a native WordPress admin page
• remove iframe-resizer registration, enqueueing, dependency, lockfile entries, and build copying
• retain direct links to guides, documentation, community, extension docs, developer wiki, and support
• coordinate with PopupMaker/Remote-Content#20, which already removed the extension's legacy dependency

Why

The previous iframe only displayed a resource page and linked users onward to the support site; it did not submit tickets. Rendering those resources locally removes an unnecessary cross-origin iframe and the iframe-resizer dependency.

Validation

• frozen pnpm install
• production build
• focused Stylelint for the support page
• PHPCS and PHP syntax checks for changed PHP files
• repository search confirms no iframe-resizer references remain

Follow-up

A direct ticket form can be added separately once the support system endpoint/authentication contract and diagnostic-data consent requirements are defined.

Summary by CodeRabbit

• New Features

  • Added a redesigned admin support page with localized help content.
  • Added five resource cards linking to helpful support materials.
  • Added a dedicated contact-support call to action.

• Improvements

  • Improved support-page layout, readability, and visual hierarchy.
  • Added responsive behavior for smaller screens.
  • Added clearer hover and keyboard-focus states for support links.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 598bddb6-055a-4501-b741-e92429aaf4b9

📥 Commits

Reviewing files that changed from the base of the PR and between 0de5132 and 9d22783.

⛔ Files ignored due to path filters (1)

• pnpm-lock.yaml is excluded by !**/pnpm-lock.yaml

📒 Files selected for processing (8)

• assets/js/src/admin/support-page.scss
• classes/Admin/Assets.php
• classes/Admin/Support.php
• classes/Site/Assets.php
• docs/build-processes.md
• package.json
• readme.md
• webpack.old.config.js

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Walkthrough

The admin support page replaces an embedded external iframe with localized resource cards and a contact-support action. Responsive styles support desktop and mobile layouts. The iframe-resizer asset, dependency, vendor copy rule, and documentation references are removed.

Changes

Support page update

Layer / File(s)	Summary
Localized support page and responsive styling classes/Admin/Support.php, assets/js/src/admin/support-page.scss	The support page renders five external resource cards and a contact-support action. New styles provide the grid, typography, interaction states, and mobile stacking.
Asset and dependency cleanup classes/Admin/Assets.php, classes/Site/Assets.php, package.json, webpack.old.config.js	iframe-resizer registration, enqueueing, production dependency, and vendor copy configuration are removed.
Documentation cleanup docs/build-processes.md, readme.md	The documented external dependency and Built With entries no longer include iframe-resizer.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Sequence Diagram(s)

sequenceDiagram
  participant Admin as WordPress admin
  participant SupportPage as PUM_Admin_Support::page()
  participant Resource as External resource
  Admin->>SupportPage: Open support page
  SupportPage-->>Admin: Render resource cards and contact action
  Admin->>Resource: Open selected resource in a new tab

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✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch agent/remove-iframe-resizer

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