[Hackathon] MachineUDF operator + per-host machine-manager

.dockerignore

@@ -119,6 +119,9 @@ metals.sbt
 
 # Ignore Angular build output
 **/dist/
+# ...but the webserver FE overlay (bin/k8s/utils/webserver-fe-overlay.dockerfile)
+# needs the frontend bundle as build input.
+!frontend/dist
 **/.angular/cache/
 **/.nx/cache/
 

agent-service/src/agent/texera-agent.ts

@@ -47,6 +47,18 @@ import {
   TOOL_NAME_EXECUTE_OPERATOR,
   type ExecutionConfig,
 } from "./tools/workflow-execution-tools";
+import {
+  createRunOnMachineTool,
+  createRunPythonOnMachineTool,
+  createListDatasetsTool,
+  createUploadFileToDatasetTool,
+  createGetDatasetFileTool,
+  TOOL_NAME_RUN_ON_MACHINE,
+  TOOL_NAME_RUN_PYTHON_ON_MACHINE,
+  TOOL_NAME_LIST_DATASETS,
+  TOOL_NAME_UPLOAD_FILE_TO_DATASET,
+  TOOL_NAME_GET_DATASET_FILE,
+} from "./tools/machine-tools";
 import { assembleContext } from "./util/context-utils";
 import { compileWorkflowAsync, type WorkflowCompilationResponse } from "../api/compile-api";
 import { createLogger } from "../logger";
@@ -228,6 +240,19 @@ export class TexeraAgent {
       );
     }
 
+    if (this.delegateConfig?.userToken) {
+      const userToken = this.delegateConfig.userToken;
+      tools[TOOL_NAME_RUN_ON_MACHINE] = createRunOnMachineTool(userToken);
+      // `runPythonOnMachine` is intentionally NOT registered. The product showcases
+      // Texera as a workflow engine — every data-analysis path must end in a
+      // workflow on the canvas, not a side-channel script. Keep the helper in
+      // machine-tools.ts as dead code for now in case we need it for diagnostics
+      // later, but do not expose it to the LLM.
+      tools[TOOL_NAME_LIST_DATASETS] = createListDatasetsTool(userToken);
+      tools[TOOL_NAME_UPLOAD_FILE_TO_DATASET] = createUploadFileToDatasetTool(userToken);
+      tools[TOOL_NAME_GET_DATASET_FILE] = createGetDatasetFileTool(userToken);
+    }
+
     return tools;
   }
 

agent-service/src/agent/tools/index.ts

@@ -20,3 +20,4 @@
 export * from "./tools-utility";
 export * from "./workflow-crud-tools";
 export * from "./workflow-execution-tools";
+export * from "./machine-tools";