Add pre-publish panel suggesting post formats for federation

.github/changelog/2971-from-description

@@ -0,0 +1,4 @@
+Significance: minor
+Type: added
+
+Add a pre-publish suggestion that recommends a post format for better compatibility with media-focused Fediverse platforms.

includes/class-blocks.php

@@ -50,6 +50,8 @@ public static function enqueue_editor_assets() {
 			),
 			'showAvatars'        => (bool) \get_option( 'show_avatars' ),
 			'defaultQuotePolicy' => \get_option( 'activitypub_default_quote_policy', ACTIVITYPUB_INTERACTION_POLICY_ANYONE ),
+			'objectType'         => \get_option( 'activitypub_object_type', ACTIVITYPUB_DEFAULT_OBJECT_TYPE ),
+			'noteLength'         => ACTIVITYPUB_NOTE_LENGTH,
 		);
 		wp_localize_script( 'wp-editor', '_activityPubOptions', $data );
 
@@ -63,6 +65,10 @@ public static function enqueue_editor_assets() {
 		$asset_data = include ACTIVITYPUB_PLUGIN_DIR . 'build/editor-plugin/plugin.asset.php';
 		$plugin_url = plugins_url( 'build/editor-plugin/plugin.js', ACTIVITYPUB_PLUGIN_FILE );
 		wp_enqueue_script( 'activitypub-block-editor', $plugin_url, $asset_data['dependencies'], $asset_data['version'], true );
+
+		$asset_data = include ACTIVITYPUB_PLUGIN_DIR . 'build/pre-publish-panel/plugin.asset.php';
+		$plugin_url = plugins_url( 'build/pre-publish-panel/plugin.js', ACTIVITYPUB_PLUGIN_FILE );
+		wp_enqueue_script( 'activitypub-pre-publish-panel', $plugin_url, $asset_data['dependencies'], $asset_data['version'], true );
 	}
 
 	/**

includes/constants.php

@@ -9,7 +9,7 @@
 
 defined( 'ACTIVITYPUB_REST_NAMESPACE' ) || define( 'ACTIVITYPUB_REST_NAMESPACE', 'activitypub/1.0' );
 defined( 'ACTIVITYPUB_EXCERPT_LENGTH' ) || define( 'ACTIVITYPUB_EXCERPT_LENGTH', 400 );
-defined( 'ACTIVITYPUB_NOTE_LENGTH' ) || define( 'ACTIVITYPUB_NOTE_LENGTH', 400 );
+defined( 'ACTIVITYPUB_NOTE_LENGTH' ) || define( 'ACTIVITYPUB_NOTE_LENGTH', 500 );
 defined( 'ACTIVITYPUB_MAX_IMAGE_ATTACHMENTS' ) || define( 'ACTIVITYPUB_MAX_IMAGE_ATTACHMENTS', 4 );
 defined( 'ACTIVITYPUB_HASHTAGS_REGEXP' ) || define( 'ACTIVITYPUB_HASHTAGS_REGEXP', '(?:(?<=\s)|(?<=<p>)|(?<=<br>)|^)#([A-Za-z0-9_]+)(?:(?=\s|[[:punct:]]|$))' );
 defined( 'ACTIVITYPUB_USERNAME_REGEXP' ) || define( 'ACTIVITYPUB_USERNAME_REGEXP', '(?:([A-Za-z0-9\._-]+)@((?:[A-Za-z0-9_-]+\.)+[A-Za-z]+))' );