diff --git a/includes/admin/class-pr-core-admin-columns.php b/includes/admin/class-pr-core-admin-columns.php
index 335db87..c45c307 100644
--- a/includes/admin/class-pr-core-admin-columns.php
+++ b/includes/admin/class-pr-core-admin-columns.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Admin Columns.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/admin/class-pr-core-admin.php b/includes/admin/class-pr-core-admin.php
index a74ce2f..b9c0261 100644
--- a/includes/admin/class-pr-core-admin.php
+++ b/includes/admin/class-pr-core-admin.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Admin.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/admin/class-pr-core-ajax-handlers.php b/includes/admin/class-pr-core-ajax-handlers.php
index afecfe9..86fe0ef 100644
--- a/includes/admin/class-pr-core-ajax-handlers.php
+++ b/includes/admin/class-pr-core-ajax-handlers.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Ajax Handlers.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/admin/class-pr-core-candidate-queue-page.php b/includes/admin/class-pr-core-candidate-queue-page.php
index e27e223..1f33dee 100644
--- a/includes/admin/class-pr-core-candidate-queue-page.php
+++ b/includes/admin/class-pr-core-candidate-queue-page.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Candidate Queue Page.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/admin/class-pr-core-peptide-metaboxes.php b/includes/admin/class-pr-core-peptide-metaboxes.php
index 52cfb40..805eaee 100644
--- a/includes/admin/class-pr-core-peptide-metaboxes.php
+++ b/includes/admin/class-pr-core-peptide-metaboxes.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Peptide Metaboxes.
+ *
  * @package Peptide_Repo_Core
  */
 
@@ -83,7 +85,7 @@ class PR_Core_Peptide_Metaboxes {
 				'<tr><th><label for="pr_core_%1$s">%2$s</label></th><td><input type="text" id="pr_core_%1$s" name="pr_core_%1$s" value="%3$s" class="regular-text" /></td></tr>',
 				esc_attr( $key ),
 				esc_html( $label ),
-				$value
+				$value // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- esc_attr applied on assignment
 			);
 		}
 
@@ -144,8 +146,8 @@ class PR_Core_Peptide_Metaboxes {
 			echo '</tr></thead><tbody>';
 
 			foreach ( $rows as $row ) {
-				$dose = $row->dose_min !== null ? number_format( $row->dose_min, 2 ) : '?';
-				if ( $row->dose_max !== null && $row->dose_max !== $row->dose_min ) {
+				$dose = null !== $row->dose_min ? number_format( $row->dose_min, 2 ) : '?';
+				if ( null !== $row->dose_max && $row->dose_max !== $row->dose_min ) {
 					$dose .= ' – ' . number_format( $row->dose_max, 2 );
 				}
 				$dose .= ' ' . esc_html( $row->dose_unit );
@@ -243,7 +245,7 @@ class PR_Core_Peptide_Metaboxes {
 
 		foreach ( $meta_fields as $key => $config ) {
 			$input_key = 'pr_core_' . $key;
-			if ( ! isset( $_POST[ $input_key ] ) ) {
+			if ( ! isset( $_POST[ $input_key ] ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- existence check only; unslash+sanitize below
 				continue;
 			}
 
@@ -256,10 +258,10 @@ class PR_Core_Peptide_Metaboxes {
 		}
 
 		// Set last_editorial_review_at when status changes to published.
-		$new_review_status = sanitize_text_field( $_POST['pr_core_editorial_review_status'] ?? '' );
+		$new_review_status = sanitize_text_field( wp_unslash( $_POST['pr_core_editorial_review_status'] ?? '' ) );
 		if ( 'published' === $new_review_status ) {
 			$old_status = get_post_meta( $post_id, 'editorial_review_status', true );
-			if ( $old_status !== 'published' ) {
+			if ( 'published' !== $old_status ) {
 				update_post_meta( $post_id, 'last_editorial_review_at', current_time( 'mysql' ) );
 				update_post_meta( $post_id, 'medical_editor_id', get_current_user_id() );
 			}
diff --git a/includes/admin/class-pr-core-repo-daily-metaboxes.php b/includes/admin/class-pr-core-repo-daily-metaboxes.php
index 313f258..afe2551 100755
--- a/includes/admin/class-pr-core-repo-daily-metaboxes.php
+++ b/includes/admin/class-pr-core-repo-daily-metaboxes.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Repo Daily Metaboxes.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/admin/class-pr-core-settings-renderer.php b/includes/admin/class-pr-core-settings-renderer.php
index a266c56..2056e20 100644
--- a/includes/admin/class-pr-core-settings-renderer.php
+++ b/includes/admin/class-pr-core-settings-renderer.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Settings Renderer.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/admin/class-pr-core-settings.php b/includes/admin/class-pr-core-settings.php
index f2c4a75..93b4f01 100644
--- a/includes/admin/class-pr-core-settings.php
+++ b/includes/admin/class-pr-core-settings.php
@@ -1,16 +1,12 @@
 <?php
 /**
+ * Settings.
+ *
  * @package Peptide_Repo_Core
  */
 
 declare(strict_types=1);
 
-/**
- * Static admin settings class
- *
- * @package Peptide_Repo_Core
- */
-
 /**
  * Settings page for PR Core plugin configuration.
  *
@@ -23,53 +19,25 @@ declare(strict_types=1);
  */
 class PR_Core_Settings {
 
-	/**
-	 * Option group shared by all PR Core settings.
-	 *
-	 * @var string Option group shared by all PR Core settings.
-	 */
+	/** @var string Option group shared by all PR Core settings. */
 	public const OPTION_GROUP = 'pr_core_settings';
 
-	/**
-	 * Option key: enable/disable related articles.
-	 *
-	 * @var string Option key: enable/disable related articles.
-	 */
+	/** @var string Option key: enable/disable related articles. */
 	private const RELATED_ENABLED = 'pr_core_related_posts_enabled';
 
-	/**
-	 * Option key: related articles limit (1-6).
-	 *
-	 * @var string Option key: related articles limit (1-6).
-	 */
+	/** @var string Option key: related articles limit (1-6). */
 	private const RELATED_LIMIT = 'pr_core_related_posts_limit';
 
-	/**
-	 * Option key: WP-cron scan cadence.
-	 *
-	 * @var string Option key: WP-cron scan cadence.
-	 */
+	/** @var string Option key: WP-cron scan cadence. */
 	private const SCAN_CADENCE = 'pr_core_scan_cadence';
 
-	/**
-	 * Option key: default staleness threshold in days.
-	 *
-	 * @var string Option key: default staleness threshold in days.
-	 */
+	/** @var string Option key: default staleness threshold in days. */
 	private const DEFAULT_THRESHOLD = 'pr_core_default_threshold';
 
-	/**
-	 * Option key: high-velocity staleness threshold in days.
-	 *
-	 * @var string Option key: high-velocity staleness threshold in days.
-	 */
+	/** @var string Option key: high-velocity staleness threshold in days. */
 	private const HIGH_VELOCITY_THRESHOLD = 'pr_core_high_velocity_threshold';
 
-	/**
-	 * Option key: comma-separated notification email list.
-	 *
-	 * @var string Option key: comma-separated notification email list.
-	 */
+	/** @var string Option key: comma-separated notification email list. */
 	private const VERIFICATION_EMAIL = 'pr_core_verification_email';
 
 	/**
@@ -90,6 +58,10 @@ class PR_Core_Settings {
 		);
 	}
 
+	/**
+	 * Render the settings page HTML. Delegates to PR_Core_Settings_Renderer.
+	 * @return void
+	 */
 	public static function render_page(): void {
 		PR_Core_Settings_Renderer::render_page();
 	}
@@ -140,10 +112,18 @@ class PR_Core_Settings {
 		add_settings_field( self::RELATED_LIMIT, __( 'Number of Articles', 'peptide-repo-core' ), array( __CLASS__, 'render_limit_field' ), self::OPTION_GROUP, 'pr_core_related_articles' );
 	}
 
+	/**
+	 * Render the enable/disable checkbox field. Delegates to PR_Core_Settings_Renderer.
+	 * @return void
+	 */
 	public static function render_enabled_field(): void {
 		PR_Core_Settings_Renderer::render_enabled_field();
 	}
 
+	/**
+	 * Render the article count limit field. Delegates to PR_Core_Settings_Renderer.
+	 * @return void
+	 */
 	public static function render_limit_field(): void {
 		PR_Core_Settings_Renderer::render_limit_field();
 	}
@@ -210,22 +190,42 @@ class PR_Core_Settings {
 		add_settings_field( self::VERIFICATION_EMAIL, __( 'Notification email(s)', 'peptide-repo-core' ), array( __CLASS__, 'render_email_field' ), self::OPTION_GROUP, 'pr_core_verification' );
 	}
 
+	/**
+	 * Render the verification section header. Delegates to PR_Core_Settings_Renderer.
+	 * @return void
+	 */
 	public static function render_verification_section(): void {
 		PR_Core_Settings_Renderer::render_verification_section();
 	}
 
+	/**
+	 * Render the scan cadence select field. Delegates to PR_Core_Settings_Renderer.
+	 * @return void
+	 */
 	public static function render_cadence_field(): void {
 		PR_Core_Settings_Renderer::render_cadence_field();
 	}
 
+	/**
+	 * Render the score threshold input field. Delegates to PR_Core_Settings_Renderer.
+	 * @return void
+	 */
 	public static function render_threshold_field(): void {
 		PR_Core_Settings_Renderer::render_threshold_field();
 	}
 
+	/**
+	 * Render the high-velocity scan toggle field. Delegates to PR_Core_Settings_Renderer.
+	 * @return void
+	 */
 	public static function render_high_velocity_field(): void {
 		PR_Core_Settings_Renderer::render_high_velocity_field();
 	}
 
+	/**
+	 * Render the alert email input field. Delegates to PR_Core_Settings_Renderer.
+	 * @return void
+	 */
 	public static function render_email_field(): void {
 		PR_Core_Settings_Renderer::render_email_field();
 	}
diff --git a/includes/admin/class-pr-core-verification-metabox.php b/includes/admin/class-pr-core-verification-metabox.php
index 9dc1614..54fedaa 100644
--- a/includes/admin/class-pr-core-verification-metabox.php
+++ b/includes/admin/class-pr-core-verification-metabox.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Verification Metabox.
+ *
  * @package Peptide_Repo_Core
  */
 
@@ -77,7 +79,7 @@ class PR_Core_Verification_Metabox {
 			'overdue' => 'style="background:#f44336;color:white;padding:4px 8px;border-radius:3px;"',
 			default => 'style="background:#4caf50;color:white;padding:4px 8px;border-radius:3px;"',
 		};
-		echo '<span ' . $badge_class . '>' . esc_html( ucfirst( $status ) ) . '</span></p>';
+		echo '<span ' . $badge_class . '>' . esc_html( ucfirst( $status ) ) . '</span></p>'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- badge_class is a hardcoded match expression
 
 		echo '<p><strong>' . esc_html__( 'Verification Notes', 'peptide-repo-core' ) . ':</strong><br />';
 		printf(
diff --git a/includes/admin/class-pr-core-verification-widget.php b/includes/admin/class-pr-core-verification-widget.php
index 90e07c5..d2b86f6 100644
--- a/includes/admin/class-pr-core-verification-widget.php
+++ b/includes/admin/class-pr-core-verification-widget.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Verification Widget.
+ *
  * @package Peptide_Repo_Core
  */
 
@@ -106,7 +108,7 @@ class PR_Core_Verification_Widget {
 					esc_html( ucfirst( $item['status'] ) ),
 					esc_html( ucfirst( $item['velocity'] ) ),
 					esc_html( $item['last_verified'] ?? '—' ),
-					$item['days_since'],
+					(int) $item['days_since'],  // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- cast to int, safe
 					esc_url( $edit_url )
 				);
 			}
diff --git a/includes/api/class-pr-core-rest-controller.php b/includes/api/class-pr-core-rest-controller.php
index 9a129e1..9166fcb 100644
--- a/includes/api/class-pr-core-rest-controller.php
+++ b/includes/api/class-pr-core-rest-controller.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Rest Controller.
+ *
  * @package Peptide_Repo_Core
  */
 
@@ -32,11 +34,7 @@ declare(strict_types=1);
  */
 class PR_Core_Rest_Controller {
 
-	/**
-	 * REST namespace.
-	 *
-	 * @var string REST namespace.
-	 */
+	/** @var string REST namespace. */
 	private const REST_NAMESPACE = 'pr-core/v1';
 
 	/**
diff --git a/includes/class-pr-core-activator.php b/includes/class-pr-core-activator.php
index 5f72de6..7be9cca 100644
--- a/includes/class-pr-core-activator.php
+++ b/includes/class-pr-core-activator.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Activator.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/class-pr-core-autoloader.php b/includes/class-pr-core-autoloader.php
index 6971862..895884c 100644
--- a/includes/class-pr-core-autoloader.php
+++ b/includes/class-pr-core-autoloader.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Autoloader.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/class-pr-core-deactivator.php b/includes/class-pr-core-deactivator.php
index fc37240..d7f3513 100644
--- a/includes/class-pr-core-deactivator.php
+++ b/includes/class-pr-core-deactivator.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Deactivator.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/class-pr-core-seed-data.php b/includes/class-pr-core-seed-data.php
index 4e9d75c..e48e6a4 100644
--- a/includes/class-pr-core-seed-data.php
+++ b/includes/class-pr-core-seed-data.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Seed Data.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/class-pr-core-seed-fixtures.php b/includes/class-pr-core-seed-fixtures.php
index 9a8c9df..863d229 100644
--- a/includes/class-pr-core-seed-fixtures.php
+++ b/includes/class-pr-core-seed-fixtures.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Seed Fixtures.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/class-pr-core.php b/includes/class-pr-core.php
index afcec4d..dd70de1 100644
--- a/includes/class-pr-core.php
+++ b/includes/class-pr-core.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Class Pr Core.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/core/class-pr-core-internal-posts-provider.php b/includes/core/class-pr-core-internal-posts-provider.php
index 7c123a3..08653e5 100644
--- a/includes/core/class-pr-core-internal-posts-provider.php
+++ b/includes/core/class-pr-core-internal-posts-provider.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Internal Posts Provider.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/core/class-pr-core-related-posts-provider.php b/includes/core/class-pr-core-related-posts-provider.php
index fc74b24..869f4b2 100644
--- a/includes/core/class-pr-core-related-posts-provider.php
+++ b/includes/core/class-pr-core-related-posts-provider.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Related Posts Provider.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/core/class-pr-core-related-posts-section.php b/includes/core/class-pr-core-related-posts-section.php
index 3e60a7f..06e68a4 100644
--- a/includes/core/class-pr-core-related-posts-section.php
+++ b/includes/core/class-pr-core-related-posts-section.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Related Posts Section.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/cpt/class-pr-core-peptide-cpt.php b/includes/cpt/class-pr-core-peptide-cpt.php
index 3d85d8c..13dd35c 100644
--- a/includes/cpt/class-pr-core-peptide-cpt.php
+++ b/includes/cpt/class-pr-core-peptide-cpt.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Peptide Cpt.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/cpt/class-pr-core-peptide-meta-schema.php b/includes/cpt/class-pr-core-peptide-meta-schema.php
index 3f3343a..0d34b4c 100644
--- a/includes/cpt/class-pr-core-peptide-meta-schema.php
+++ b/includes/cpt/class-pr-core-peptide-meta-schema.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Peptide Meta Schema.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/cpt/class-pr-core-repo-daily-cpt.php b/includes/cpt/class-pr-core-repo-daily-cpt.php
index ae3d03d..6875ce2 100755
--- a/includes/cpt/class-pr-core-repo-daily-cpt.php
+++ b/includes/cpt/class-pr-core-repo-daily-cpt.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Repo Daily Cpt.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/cpt/class-pr-core-schema-sanitizers.php b/includes/cpt/class-pr-core-schema-sanitizers.php
index 7699487..865a1f1 100644
--- a/includes/cpt/class-pr-core-schema-sanitizers.php
+++ b/includes/cpt/class-pr-core-schema-sanitizers.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Schema Sanitizers.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/cpt/class-pr-core-topic-taxonomy.php b/includes/cpt/class-pr-core-topic-taxonomy.php
index 2b8ff01..40f479f 100644
--- a/includes/cpt/class-pr-core-topic-taxonomy.php
+++ b/includes/cpt/class-pr-core-topic-taxonomy.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Topic Taxonomy.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/cpt/class-pr-core-verification-sanitizers.php b/includes/cpt/class-pr-core-verification-sanitizers.php
index b4b7201..648a909 100644
--- a/includes/cpt/class-pr-core-verification-sanitizers.php
+++ b/includes/cpt/class-pr-core-verification-sanitizers.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Verification Sanitizers.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/dto/class-pr-core-candidate-dto.php b/includes/dto/class-pr-core-candidate-dto.php
index 3c308eb..ee183ce 100644
--- a/includes/dto/class-pr-core-candidate-dto.php
+++ b/includes/dto/class-pr-core-candidate-dto.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Candidate Dto.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/dto/class-pr-core-dosing-row-dto.php b/includes/dto/class-pr-core-dosing-row-dto.php
index 2a8e00e..b7548bd 100644
--- a/includes/dto/class-pr-core-dosing-row-dto.php
+++ b/includes/dto/class-pr-core-dosing-row-dto.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Dosing Row Dto.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/dto/class-pr-core-legal-cell-dto.php b/includes/dto/class-pr-core-legal-cell-dto.php
index 78a036a..9f2aea7 100644
--- a/includes/dto/class-pr-core-legal-cell-dto.php
+++ b/includes/dto/class-pr-core-legal-cell-dto.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Legal Cell Dto.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/dto/class-pr-core-peptide-dto.php b/includes/dto/class-pr-core-peptide-dto.php
index bece7bc..047f123 100644
--- a/includes/dto/class-pr-core-peptide-dto.php
+++ b/includes/dto/class-pr-core-peptide-dto.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Peptide Dto.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/frontend/class-pr-core-disclaimer.php b/includes/frontend/class-pr-core-disclaimer.php
index 7960840..d24f8f7 100644
--- a/includes/frontend/class-pr-core-disclaimer.php
+++ b/includes/frontend/class-pr-core-disclaimer.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Disclaimer.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/frontend/class-pr-core-jsonld-drug.php b/includes/frontend/class-pr-core-jsonld-drug.php
index ea6c51c..b5ef29e 100644
--- a/includes/frontend/class-pr-core-jsonld-drug.php
+++ b/includes/frontend/class-pr-core-jsonld-drug.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Jsonld Drug.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/frontend/class-pr-core-jsonld-faq.php b/includes/frontend/class-pr-core-jsonld-faq.php
index 8faf598..45c4c03 100644
--- a/includes/frontend/class-pr-core-jsonld-faq.php
+++ b/includes/frontend/class-pr-core-jsonld-faq.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Jsonld Faq.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/frontend/class-pr-core-jsonld-webpage.php b/includes/frontend/class-pr-core-jsonld-webpage.php
index ac51e92..ca43eb8 100644
--- a/includes/frontend/class-pr-core-jsonld-webpage.php
+++ b/includes/frontend/class-pr-core-jsonld-webpage.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Jsonld Webpage.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/frontend/class-pr-core-jsonld.php b/includes/frontend/class-pr-core-jsonld.php
index b0f1e43..4bad099 100644
--- a/includes/frontend/class-pr-core-jsonld.php
+++ b/includes/frontend/class-pr-core-jsonld.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Jsonld.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/frontend/class-pr-core-verification-display.php b/includes/frontend/class-pr-core-verification-display.php
index 8df406f..30c56fe 100644
--- a/includes/frontend/class-pr-core-verification-display.php
+++ b/includes/frontend/class-pr-core-verification-display.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Verification Display.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/interfaces/interface-related-posts-provider.php b/includes/interfaces/interface-related-posts-provider.php
index b384077..fb14e25 100644
--- a/includes/interfaces/interface-related-posts-provider.php
+++ b/includes/interfaces/interface-related-posts-provider.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Related Posts Provider.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/migrations/class-pr-core-migration-0001-dosing-rows.php b/includes/migrations/class-pr-core-migration-0001-dosing-rows.php
index c4f87c2..342a032 100644
--- a/includes/migrations/class-pr-core-migration-0001-dosing-rows.php
+++ b/includes/migrations/class-pr-core-migration-0001-dosing-rows.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Migration 0001 Dosing Rows.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/migrations/class-pr-core-migration-0002-legal-cells.php b/includes/migrations/class-pr-core-migration-0002-legal-cells.php
index 1b4632f..330b032 100644
--- a/includes/migrations/class-pr-core-migration-0002-legal-cells.php
+++ b/includes/migrations/class-pr-core-migration-0002-legal-cells.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Migration 0002 Legal Cells.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/migrations/class-pr-core-migration-0003-candidate-queue.php b/includes/migrations/class-pr-core-migration-0003-candidate-queue.php
index 987206b..00f6c18 100644
--- a/includes/migrations/class-pr-core-migration-0003-candidate-queue.php
+++ b/includes/migrations/class-pr-core-migration-0003-candidate-queue.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Migration 0003 Candidate Queue.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/migrations/class-pr-core-migration-0004-backfill-peptide-meta.php b/includes/migrations/class-pr-core-migration-0004-backfill-peptide-meta.php
index f4896de..1fba437 100644
--- a/includes/migrations/class-pr-core-migration-0004-backfill-peptide-meta.php
+++ b/includes/migrations/class-pr-core-migration-0004-backfill-peptide-meta.php
@@ -1,5 +1,9 @@
 <?php
-/** @package Peptide_Repo_Core */
+/**
+ * Migration 0004: Backfill peptide schema meta.
+ * @package Peptide_Repo_Core
+ */
+
 declare(strict_types=1);
 
 /**
@@ -31,32 +35,16 @@ declare(strict_types=1);
  */
 class PR_Core_Migration_0004_Backfill_Peptide_Meta {
 
-	/**
-	 * Meta key: molecular formula (PR Core namespace).
-	 *
-	 * @var string Meta key: molecular formula (PR Core namespace).
-	 */
+	/** @var string Meta key: molecular formula (PR Core namespace). */
 	public const META_FORMULA = '_pr_molecular_formula';
 
-	/**
-	 * Meta key: molecular weight as float string (PR Core namespace).
-	 *
-	 * @var string Meta key: molecular weight as float string (PR Core namespace).
-	 */
+	/** @var string Meta key: molecular weight as float string (PR Core namespace). */
 	public const META_WEIGHT = '_pr_molecular_weight';
 
-	/**
-	 * Meta key: aliases JSON array (PR Core namespace).
-	 *
-	 * @var string Meta key: aliases JSON array (PR Core namespace).
-	 */
+	/** @var string Meta key: aliases JSON array (PR Core namespace). */
 	public const META_ALIASES = '_pr_aliases';
 
-	/**
-	 * HTTP client for PubChem REST API.
-	 *
-	 * @var PR_Core_Pubchem_Client HTTP client for PubChem REST API.
-	 */
+	/** @var PR_Core_Pubchem_Client HTTP client for PubChem REST API. */
 	private PR_Core_Pubchem_Client $pubchem;
 
 	/**
diff --git a/includes/migrations/class-pr-core-migration-runner.php b/includes/migrations/class-pr-core-migration-runner.php
index 2a00152..c327e14 100644
--- a/includes/migrations/class-pr-core-migration-runner.php
+++ b/includes/migrations/class-pr-core-migration-runner.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Migration Runner.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/migrations/class-pr-core-pubchem-client.php b/includes/migrations/class-pr-core-pubchem-client.php
index 534a9a5..cebe139 100644
--- a/includes/migrations/class-pr-core-pubchem-client.php
+++ b/includes/migrations/class-pr-core-pubchem-client.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Pubchem Client.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/repositories/class-pr-core-candidate-queue-repository.php b/includes/repositories/class-pr-core-candidate-queue-repository.php
index 2d022b1..8135222 100644
--- a/includes/repositories/class-pr-core-candidate-queue-repository.php
+++ b/includes/repositories/class-pr-core-candidate-queue-repository.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Candidate Queue Repository.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/repositories/class-pr-core-dosing-repository.php b/includes/repositories/class-pr-core-dosing-repository.php
index 9c03489..6f79d9b 100644
--- a/includes/repositories/class-pr-core-dosing-repository.php
+++ b/includes/repositories/class-pr-core-dosing-repository.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Dosing Repository.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/repositories/class-pr-core-legal-repository.php b/includes/repositories/class-pr-core-legal-repository.php
index 0d52f2d..6ba7e35 100644
--- a/includes/repositories/class-pr-core-legal-repository.php
+++ b/includes/repositories/class-pr-core-legal-repository.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Legal Repository.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/repositories/class-pr-core-peptide-repository.php b/includes/repositories/class-pr-core-peptide-repository.php
index a14b38c..5fb99e7 100644
--- a/includes/repositories/class-pr-core-peptide-repository.php
+++ b/includes/repositories/class-pr-core-peptide-repository.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Peptide Repository.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/scanner/class-pr-core-verification-scanner.php b/includes/scanner/class-pr-core-verification-scanner.php
index 3b8e72e..2d69562 100644
--- a/includes/scanner/class-pr-core-verification-scanner.php
+++ b/includes/scanner/class-pr-core-verification-scanner.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Verification Scanner.
+ *
  * @package Peptide_Repo_Core
  */
 
diff --git a/includes/taxonomies/class-pr-core-repo-daily-taxonomy.php b/includes/taxonomies/class-pr-core-repo-daily-taxonomy.php
index b175563..0398685 100755
--- a/includes/taxonomies/class-pr-core-repo-daily-taxonomy.php
+++ b/includes/taxonomies/class-pr-core-repo-daily-taxonomy.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Repo Daily Taxonomy.
+ *
  * @package Peptide_Repo_Core
  */