feat(edge,protocol,test): add configurable edge bind address and expand flow-control test coverage

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@serve.zone/remoteingress',
-  version: '4.6.1',
+  version: '4.7.0',
   description: 'Edge ingress tunnel for DcRouter - accepts incoming TCP connections at network edge and tunnels them to DcRouter SmartProxy preserving client IP via PROXY protocol v1.'
 }

ts/classes.remoteingressedge.ts

@@ -14,6 +14,7 @@ type TEdgeCommands = {
       hubPort: number;
       edgeId: string;
       secret: string;
+      bindAddress?: string;
     };
     result: { started: boolean };
   };
@@ -38,6 +39,7 @@ export interface IEdgeConfig {
   hubPort?: number;
   edgeId: string;
   secret: string;
+  bindAddress?: string;
 }
 
 const MAX_RESTART_ATTEMPTS = 10;
@@ -132,6 +134,7 @@ export class RemoteIngressEdge extends EventEmitter {
       hubPort: edgeConfig.hubPort ?? 8443,
       edgeId: edgeConfig.edgeId,
       secret: edgeConfig.secret,
+      ...(edgeConfig.bindAddress ? { bindAddress: edgeConfig.bindAddress } : {}),
     });
 
     this.started = true;
@@ -227,6 +230,7 @@ export class RemoteIngressEdge extends EventEmitter {
         hubPort: this.savedConfig.hubPort ?? 8443,
         edgeId: this.savedConfig.edgeId,
         secret: this.savedConfig.secret,
+        ...(this.savedConfig.bindAddress ? { bindAddress: this.savedConfig.bindAddress } : {}),
       });
 
       this.started = true;