add checks for comma when importing recipies

app/Services/PluginImportService.php

@@ -17,6 +17,32 @@ use ZipArchive;
 
 class PluginImportService
 {
+    /**
+     * Validate YAML settings
+     *
+     * @param array $settings The parsed YAML settings
+     * @throws Exception
+     */
+    private function validateYAML(array $settings): void
+    {
+        if (!isset($settings['custom_fields']) || !is_array($settings['custom_fields'])) {
+            return;
+        }
+
+        foreach ($settings['custom_fields'] as $field) {
+            if (isset($field['field_type']) && $field['field_type'] === 'multi_string') {
+
+                if (isset($field['default']) && str_contains($field['default'], ',')) {
+                    throw new Exception("Validation Error: The default value for multistring fields like `{$field['keyname']}` cannot contain commas.");
+                }
+
+                if (isset($field['placeholder']) && str_contains($field['placeholder'], ',')) {
+                    throw new Exception("Validation Error: The placeholder value for multistring fields like `{$field['keyname']}` cannot contain commas.");
+                }
+
+            }
+        }
+    }
     /**
      * Import a plugin from a ZIP file
      *
@@ -58,6 +84,7 @@ class PluginImportService
             // Parse settings.yml
             $settingsYaml = File::get($filePaths['settingsYamlPath']);
             $settings = Yaml::parse($settingsYaml);
+            $this->validateYAML($settings);
 
             // Read full.liquid content
             $fullLiquid = File::get($filePaths['fullLiquidPath']);
@@ -187,6 +214,7 @@ class PluginImportService
             // Parse settings.yml
             $settingsYaml = File::get($filePaths['settingsYamlPath']);
             $settings = Yaml::parse($settingsYaml);
+            $this->validateYAML($settings);
 
             // Read full.liquid content
             $fullLiquid = File::get($filePaths['fullLiquidPath']);

tests/Feature/PluginImportTest.php

@@ -427,6 +427,65 @@ YAML;
         ->and($displayIncidentField['default'])->toBe('true');
 });
 
+it('throws exception when multi_string default value contains a comma', function (): void {
+    $user = User::factory()->create();
+
+    // YAML with a comma in the 'default' field of a multi_string
+    $invalidYaml = <<<YAML
+name: Test Plugin
+refresh_interval: 30
+strategy: static
+polling_verb: get
+static_data: '{"test": "data"}'
+custom_fields:
+  - keyname: api_key
+    field_type: multi_string
+    default: default-api-key1,default-api-key2
+    label: API Key
+YAML;
+
+    $zipContent = createMockZipFile([
+        'src/settings.yml' => $invalidYaml,
+        'src/full.liquid' => getValidFullLiquid(),
+    ]);
+
+    $zipFile = UploadedFile::fake()->createWithContent('invalid-default.zip', $zipContent);
+    $pluginImportService = new PluginImportService();
+
+    expect(fn () => $pluginImportService->importFromZip($zipFile, $user))
+        ->toThrow(Exception::class, "Validation Error: The default value for multistring fields like `api_key` cannot contain commas.");
+});
+
+it('throws exception when multi_string placeholder contains a comma', function (): void {
+    $user = User::factory()->create();
+
+    // YAML with a comma in the 'placeholder' field
+    $invalidYaml = <<<YAML
+name: Test Plugin
+refresh_interval: 30
+strategy: static
+polling_verb: get
+static_data: '{"test": "data"}'
+custom_fields:
+  - keyname: api_key
+    field_type: multi_string
+    default: default-api-key
+    label: API Key
+    placeholder: "value1, value2"
+YAML;
+
+    $zipContent = createMockZipFile([
+        'src/settings.yml' => $invalidYaml,
+        'src/full.liquid' => getValidFullLiquid(),
+    ]);
+
+    $zipFile = UploadedFile::fake()->createWithContent('invalid-placeholder.zip', $zipContent);
+    $pluginImportService = new PluginImportService();
+
+    expect(fn () => $pluginImportService->importFromZip($zipFile, $user))
+        ->toThrow(Exception::class, "Validation Error: The placeholder value for multistring fields like `api_key` cannot contain commas.");
+});
+
 // Helper methods
 function createMockZipFile(array $files): string
 {