The simplest chain. Deterministic file I/O with output passed between steps via {{prev_output}}.
{ "workflow_id": "demo_1_file_chain", "tasks": [ { "id": "write_greeting", "action_type": "file_op", "target": "./demo_greeting.txt", "payload": { "operation": "write", "content": "Hello from Vibra..." } }, { "id": "read_greeting", ... }, { "id": "notify_done", ... } ] }