feat(tess): persist durable session state (#729)

apps/gateway/src/agent/runtime-provider-registry.service.ts

@@ -64,12 +64,19 @@ export interface RuntimeTerminationAction {
   tenantId: string;
   channelId: string;
   correlationId: string;
+  agentName: string;
 }
 
 export interface RuntimeApprovalVerifier {
   consume(approvalRef: string, action: RuntimeTerminationAction): Promise<boolean>;
 }
 
+function configuredAgentName(): string {
+  const agentName = process.env['MOSAIC_AGENT_NAME']?.trim();
+  if (!agentName) throw new RuntimeApprovalDeniedError();
+  return agentName;
+}
+
 class RuntimeApprovalDeniedError extends Error {
   constructor() {
     super('Runtime termination approval denied');
@@ -261,6 +268,7 @@ export class RuntimeProviderService {
           tenantId: scope.tenantId,
           channelId: scope.channelId,
           correlationId: scope.correlationId,
+          agentName: configuredAgentName(),
         });
         if (!approved) {
           throw new RuntimeApprovalDeniedError();