Connectors: Preserve AI Client registry data precedence over hardcoded defaults.

Merges AI Client registry values on top of hardcoded defaults before
registering, so provider plugin data takes precedence while hardcoded
values serve as fallbacks.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: gziolo

src/wp-includes/connectors.php

@@ -205,12 +205,8 @@ function _wp_register_default_connectors(): void {
 		),
 	);
 
-	// Register built-in connectors first.
-	foreach ( $defaults as $id => $args ) {
-		wp_register_connector( $id, $args );
-	}
-
-	// Register connectors from the AI Client registry.
+	// Merge AI Client registry data on top of defaults.
+	// Registry values (from provider plugins) take precedence over hardcoded fallbacks.
 	$ai_registry = AiClient::defaultRegistry();
 
 	foreach ( $ai_registry->getRegisteredProviderIds() as $connector_id ) {
@@ -233,20 +229,32 @@ function _wp_register_default_connectors(): void {
 		$name        = $provider_metadata->getName();
 		$description = $provider_metadata->getDescription();
 
-		if ( wp_has_connector( $connector_id ) ) {
-			// Already registered as a built-in; skip to avoid duplicate registration error.
-			continue;
-		}
-
-		wp_register_connector(
-			$connector_id,
-			array(
+		if ( isset( $defaults[ $connector_id ] ) ) {
+			// Override fields with non-empty registry values.
+			if ( $name ) {
+				$defaults[ $connector_id ]['name'] = $name;
+			}
+			if ( $description ) {
+				$defaults[ $connector_id ]['description'] = $description;
+			}
+			// Always update auth method; keep existing credentials_url as fallback.
+			$defaults[ $connector_id ]['authentication']['method'] = $authentication['method'];
+			if ( ! empty( $authentication['credentials_url'] ) ) {
+				$defaults[ $connector_id ]['authentication']['credentials_url'] = $authentication['credentials_url'];
+			}
+		} else {
+			$defaults[ $connector_id ] = array(
 				'name'           => $name ? $name : ucwords( $connector_id ),
 				'description'    => $description ? $description : '',
 				'type'           => 'ai_provider',
 				'authentication' => $authentication,
-			)
-		);
+			);
+		}
+	}
+
+	// Register all connectors.
+	foreach ( $defaults as $id => $args ) {
+		wp_register_connector( $id, $args );
 	}
 }