Fix: Handle DefaultConfigs values correctly and add ApiKeyIsMissing e…

composer.json

@@ -20,7 +20,7 @@
     "homepage": "https://github.com/deepseek-php/deepseek-laravel",
     "license": "MIT",
     "type": "library",
-    "version": "1.0.0",
+    "version": "1.0.0.0,
     "authors": [
         {
             "name": "deepseek-php",

config/deepseek.php

@@ -27,7 +27,7 @@
     | connect to a custom endpoint.
     |
     */
-    'base_url' => env('DEEPSEEK_API_BASE_URL', DefaultConfigs::BASE_URL),
+    'base_url' => env('DEEPSEEK_API_BASE_URL', (string) DefaultConfigs::BASE_URL->value),
 
     /*
     |--------------------------------------------------------------------------
@@ -40,6 +40,6 @@
     | You can override it in the environment file by setting DEEPSEEK_API_TIMEOUT.
     |
     */
-    'timeout' => env('DEEPSEEK_API_TIMEOUT', DefaultConfigs::TIMEOUT),
+    'timeout' => env('DEEPSEEK_API_TIMEOUT', (int) DefaultConfigs::TIMEOUT->value),
 
 ];

src/DeepseekLaravelServiceProvider.php

@@ -4,6 +4,7 @@
 
 use DeepseekPhp\DeepseekClient;
 use Illuminate\Support\ServiceProvider;
+use DeepseekPhp\DeepseekLaravel\Exceptions\ApiKeyIsMissing;
 
 class DeepseekLaravelServiceProvider extends ServiceProvider
 {
@@ -29,6 +30,10 @@ public function register()
             $baseUrl = config('deepseek.base_url');
             $timeout = config('deepseek.timeout');
 
+            if (! is_string($apiKey)) {
+                throw ApiKeyIsMissing::create();
+            }
+
             return DeepseekClient::build($apiKey, $baseUrl, $timeout);
         });
     }

src/Exceptions/ApiKeyIsMissing.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DeepseekPhp\DeepseekLaravel\Exceptions;
+
+use InvalidArgumentException;
+
+/**
+ * @internal
+ */
+final class ApiKeyIsMissing extends InvalidArgumentException
+{
+    /**
+     * Create a new exception instance.
+     */
+    public static function create(): self
+    {
+        return new self(
+            'The Deepseek API key is not set. Please ensure `DEEPSEEK_API_KEY` is configured in your .env file.',
+        );
+    }
+}