Add gateway_listeners table and related indexes to WAF migration

db/migrations/create_waf_tables.sql

@@ -35,8 +35,21 @@ CREATE TABLE waf_rule_categories (
     rules JSON NOT NULL
 );
 
+-- Create gateway_listeners table
+CREATE TABLE gateway_listeners (
+    id SERIAL PRIMARY KEY,
+    gateway_name VARCHAR(255) NOT NULL,
+    namespace VARCHAR(255) NOT NULL,
+    region_code VARCHAR(50) NOT NULL,
+    port INTEGER NOT NULL,
+    enable BOOLEAN NOT NULL
+);
+
 -- Add indexes for better query performance
 CREATE INDEX idx_waf_services_gateway_name ON waf_services(gateway_name);
 CREATE INDEX idx_waf_services_namespace ON waf_services(namespace);
 CREATE INDEX idx_waf_rules_category_id ON waf_rules(category_id);
 CREATE INDEX idx_waf_rule_categories_category_id ON waf_rule_categories(category_id);
+CREATE INDEX idx_gateway_listeners_gateway_name ON gateway_listeners(gateway_name);
+CREATE INDEX idx_gateway_listeners_namespace ON gateway_listeners(namespace);
+CREATE INDEX idx_gateway_listeners_region_code ON gateway_listeners(region_code);
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