refactor sigma actions handler into multiple files

src/handlers/sigma/actions/sigma_action_registry.js

@@ -0,0 +1,38 @@
+/**
+ * sigma_action_registry.js
+ * 
+ * Main registry that imports and registers all Sigma action handlers
+ */
+const logger = require('../../../utils/logger');
+const { registerViewActions } = require('./sigma_view_actions');
+const { registerConversionActions } = require('./sigma_conversion_actions');
+const { registerSiemActions } = require('./sigma_siem_actions');
+const { processRuleDetails, processRuleConversion } = require('./sigma_action_core');
+
+const FILE_NAME = 'sigma_action_registry.js';
+
+/**
+ * Register all Sigma-related action handlers
+ * 
+ * @param {Object} app - The Slack app instance
+ */
+const registerActionHandlers = (app) => {
+  logger.info(`${FILE_NAME}: Registering all sigma action handlers`);
+
+  // Register view-related handlers (view YAML, view details, pagination)
+  registerViewActions(app);
+  
+  // Register conversion-related handlers
+  registerConversionActions(app);
+  
+  // Register SIEM-related handlers (send to SIEM, space selection)
+  registerSiemActions(app);
+
+  logger.info(`${FILE_NAME}: All sigma action handlers registered successfully`);
+};
+
+module.exports = {
+  registerActionHandlers,
+  processRuleDetails,
+  processRuleConversion
+};