feat(opsserver): add container workspace API and backend execution environment for services

ts/classes/docker.ts

@@ -857,7 +857,23 @@ export class OneboxDockerManager {
     cmd: string[]
   ): Promise<{ stdout: string; stderr: string; exitCode: number }> {
     try {
-      const container = await this.dockerClient!.getContainerById(containerID);
+      let container: any = null;
+      try {
+        container = await this.dockerClient!.getContainerById(containerID);
+      } catch {
+        // Not a direct container ID — try Swarm service lookup
+      }
+
+      if (!container) {
+        const serviceContainerId = await this.getContainerIdForService(containerID);
+        if (serviceContainerId) {
+          try {
+            container = await this.dockerClient!.getContainerById(serviceContainerId);
+          } catch {
+            // Service container also not found
+          }
+        }
+      }
 
       if (!container) {
         throw new Error(`Container not found: ${containerID}`);