diff --git a/scripts/src/hwlab-node-web-observe-runner-source.ts b/scripts/src/hwlab-node-web-observe-runner-source.ts
index c1e5f288..cf8e3555 100644
--- a/scripts/src/hwlab-node-web-observe-runner-source.ts
+++ b/scripts/src/hwlab-node-web-observe-runner-source.ts
@@ -4132,8 +4132,11 @@ async function launchWorkbenchFromTask(command) {
   const requestedFilename = commandValue(command, ["filename", "fileName"]);
   const requestedTaskRef = typeof command.taskRef === "string" && command.taskRef.trim() ? command.taskRef.trim() : null;
   const requestedTaskId = typeof command.taskId === "string" && command.taskId.trim() ? command.taskId.trim() : null;
+  const needsMdtodoSelection = Boolean(requestedFileRef || requestedFilename || requestedTaskRef || requestedTaskId);
   const sourceSelection = requestedSourceId && initialProject.selectedSourceIdRaw !== requestedSourceId
     ? await selectMdtodoSource({ ...command, type: "selectMdtodoSource", sourceId: requestedSourceId })
+    : !requestedSourceId && needsMdtodoSelection && !initialProject.selectedSourceIdRaw
+      ? await selectMdtodoSource({ ...command, type: "selectMdtodoSource", sourceId: "" })
     : null;
   const fileProject = sourceSelection ? await projectManagementCommandSnapshot({ includeRaw: true }) : initialProject;
   const fileSelection = (requestedFileRef && fileProject.selectedFileRefRaw !== requestedFileRef) || requestedFilename