workflow.json

{
  "package_format": "tin-workflow-package-v1",
  "definition": {
    "key": "example.order_report",
    "title": "Summarize fixture orders",
    "description": "Filter fixture orders by minimum value and write a small Markdown report using ordinary Python.",
    "version": "1.0.0",
    "executor": "workflow.code",
    "schedule_modes": ["on_demand"],
    "input_schema": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "project_id": {"type": "string", "format": "uuid"},
        "minimum_cents": {"type": "integer", "minimum": 0, "maximum": 100000, "default": 1000}
      },
      "required": ["project_id", "minimum_cents"]
    },
    "code": {
      "runtime": "python3.12.8-stdlib-v1",
      "entrypoint": "main.py",
      "files": ["main.py", "fixtures/orders.json"],
      "timeout_seconds": 10,
      "output": {
        "kind": "project.artifact",
        "path": "reports/custom/ORDER_REPORT.md",
        "media_type": "text/markdown",
        "max_bytes": 8000
      }
    },
    "presentation": {
      "flow": {
        "direction": "TD",
        "nodes": [
          {"id": "orders", "kind": "store", "label": "Fixture orders", "fact": "fixtures/orders.json in the package"},
          {"id": "filter", "kind": "step", "label": "Keep the larger orders", "fact": "at or above your minimum, in Python"},
          {"id": "report", "kind": "receipt", "label": "Order report in Files", "fact": "reports/custom/ORDER_REPORT.md"}
        ],
        "edges": [
          {"from": "orders", "to": "filter", "kind": "call"},
          {"from": "filter", "to": "report", "kind": "call"}
        ]
      }
    }
  }
}