Logging:
- Replace custom file logger with wc_get_logger() (source: woolist-phplist)
- Logs now appear in WooCommerce → Status → Logs, no filesystem access needed
- Remove log viewer / Clear Log from settings page (WC UI handles this)
- Keep "Enable debug logging" checkbox to control DEBUG-level verbosity
Order page meta box:
- New "phpList Sync" side meta box on every order edit page
- Works with both classic (shop_order) and HPOS (woocommerce_page_wc-orders)
- Shows billing email + dropdown of all configured lists
- "Add to phpList" button triggers AJAX subscribe, shows inline result
- Result and full API trace logged to WC logs under woolist-phplist source
- woolist-admin.js handles button state and response display
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Malin
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