Fix final WPCS errors: closing brace, short ternary, Yoda condition, multi-line array

includes/class-psa-error.php

@@ -35,5 +35,4 @@ class PSA_Error {
 			$http_code
 		);
 	}
-
 }

includes/class-psa-post-type.php

@@ -95,8 +95,12 @@ class PSA_Post_Type {
 		wp_nonce_field( 'psa_save_meta', 'psa_meta_nonce' );
 
 		$textarea_fields = array(
-			'psa_sequence', 'psa_mechanism', 'psa_research_apps',
-			'psa_safety_profile', 'psa_dosage_info', 'psa_references',
+			'psa_sequence',
+			'psa_mechanism',
+			'psa_research_apps',
+			'psa_safety_profile',
+			'psa_dosage_info',
+			'psa_references',
 		);
 
 		echo '<table class="form-table">';
@@ -106,7 +110,7 @@ class PSA_Post_Type {
 			echo '<th><label for="' . esc_attr( $key ) . '">' . esc_html( $label ) . '</label></th>';
 			echo '<td>';
 
-			if ( $key === 'psa_source' ) {
+			if ( 'psa_source' === $key ) {
 				$options = array(
 					''             => '— Select —',
 					'ai-generated' => 'AI Generated',

includes/class-psa-pubchem.php

@@ -67,7 +67,8 @@ class PSA_PubChem {
 		$properties['cid'] = $cid;
 
 		// Cache successful lookups for 7 days.
-		set_transient( $cache_key, $properties, PSA_Config::PUBCHEM_CACHE_TTL ?: 7 * DAY_IN_SECONDS );
+		$ttl = PSA_Config::PUBCHEM_CACHE_TTL ? PSA_Config::PUBCHEM_CACHE_TTL : 7 * DAY_IN_SECONDS;
+		set_transient( $cache_key, $properties, $ttl );
 
 		return $properties;
 	}