feat: add gateway tls support

src/config/types.gateway.ts

@@ -127,6 +127,8 @@ export type GatewayHttpConfig = {
   endpoints?: GatewayHttpEndpointsConfig;
 };
 
+export type GatewayTlsConfig = BridgeTlsConfig;
+
 export type GatewayConfig = {
   /** Single multiplexed port for Gateway WS + HTTP (default: 18789). */
   port?: number;
@@ -151,5 +153,6 @@ export type GatewayConfig = {
   tailscale?: GatewayTailscaleConfig;
   remote?: GatewayRemoteConfig;
   reload?: GatewayReloadConfig;
+  tls?: GatewayTlsConfig;
   http?: GatewayHttpConfig;
 };

src/config/zod-schema.ts

@@ -300,6 +300,15 @@ export const ClawdbotSchema = z
           })
           .strict()
           .optional(),
+        tls: z
+          .object({
+            enabled: z.boolean().optional(),
+            autoGenerate: z.boolean().optional(),
+            certPath: z.string().optional(),
+            keyPath: z.string().optional(),
+            caPath: z.string().optional(),
+          })
+          .optional(),
         http: z
           .object({
             endpoints: z