phase 1 and 2

app/Services/JobApi/Exceptions/RateLimitException.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Services\JobApi\Exceptions;
+
+class RateLimitException extends ApiException
+{
+    public function __construct(
+        string $apiSource,
+        public readonly ?int $retryAfter = null,
+        array $context = []
+    ) {
+        $message = "Rate limit exceeded for {$apiSource}";
+        if ($this->retryAfter) {
+            $message .= ". Retry after {$this->retryAfter} seconds";
+        }
+
+        parent::__construct($message, $apiSource, $context, 429);
+    }
+}