Remove meaningless option 'none'

Author: kargnas

README.md

@@ -312,7 +312,7 @@ Configure authentication in `config/mcp-server.php`:
 
 **Available Drivers:**
 
-- **`none`** (Development): No authentication required - useful for development and testing
+- **`null`** (Development): No authentication required - useful for development and testing
 - **`sanctum`** (Recommended): Laravel Sanctum token authentication
 - **`passport`** (Enterprise): Laravel Passport OAuth2 authentication
 - **`custom`** (Advanced): Custom authentication provider implementation

config/mcp-server.php

@@ -232,7 +232,7 @@
     | AUTHENTICATION METHODS:
     | ======================
     |
-    | 'none': No authentication (development only)
+    | null: No authentication (development only)
     | 'sanctum': Laravel Sanctum token authentication
     | 'passport': Laravel Passport OAuth2 authentication
     | 'jwt': JWT token authentication (requires tymon/jwt-auth)
@@ -246,18 +246,18 @@
         |----------------------------------------------------------------------
         |
         | The authentication method to use. Available drivers:
-        | - 'none': No authentication (development only)
+        | - null: No authentication (development only)
         | - 'sanctum': Laravel Sanctum token authentication (recommended)
         | - 'passport': Laravel Passport OAuth2 authentication (enterprise)
         | - 'custom': Custom authentication provider
         |
         | Environment examples:
-        | - Development: 'none'
+        | - Development: null
         | - Production API: 'sanctum'
         | - Enterprise SSO: 'passport'
         |
         */
-        'driver' => 'none',
+        'driver' => null,
 
         /*
         |----------------------------------------------------------------------

src/Auth/AuthManager.php

@@ -12,7 +12,8 @@ class AuthManager extends Manager
 {
     public function getDefaultDriver(): string
     {
-        return $this->config->get('mcp-server.auth.driver', 'none');
+        $driver = $this->config->get('mcp-server.auth.driver');
+        return $driver ?: 'none';
     }
 
     public function createNoneDriver(): AuthProvider

src/Auth/Traits/AuthConfigHelper.php

@@ -14,7 +14,8 @@ trait AuthConfigHelper
      */
     protected function isAuthEnabled(): bool
     {
-        return config('mcp-server.auth.driver', 'none') !== 'none';
+        $driver = config('mcp-server.auth.driver');
+        return !empty($driver);
     }
 
     /**

tests/Auth/Middleware/McpAuthenticateTest.php

@@ -11,8 +11,8 @@
     $this->middleware = new McpAuthenticate($this->authManager);
 });
 
-it('skips authentication when driver is none', function () {
-    config(['mcp-server.auth.driver' => 'none']);
+it('skips authentication when driver is null', function () {
+    config(['mcp-server.auth.driver' => null]);
 
     $request = Request::create('/test', 'POST', ['id' => 123]);
     $next = fn ($req) => response()->json(['success' => true]);

tests/Auth/Middleware/McpRateLimitTest.php

@@ -16,7 +16,7 @@
 });
 
 it('skips rate limiting when auth is disabled', function () {
-    config(['mcp-server.auth.driver' => 'none']);
+    config(['mcp-server.auth.driver' => null]);
 
     $request = Request::create('/test', 'POST', ['id' => 123]);
     $next = fn ($req) => response()->json(['success' => true]);