Function addOutput

ts/workflow-builder/src/utils/functionOperations.ts:125–137

(id: string)

// ── Outputs (declaration + assignment bundled) ─────────────────────────────────

export function addOutput(id: string): void {
  mutate(
    id,
    (fn) => {
      const dataType: DataType = "string";
      return {
        ...fn,
        outputs: [...fn.outputs, { uid: generateId(), name: `output${fn.outputs.length + 1}`, dataType, expression: emptyExpression(dataType) }],
      };
    },
    true,
  );
}

/** Update an output's declaration (name/dataType). A dataType change retags the
 *  bundled expression's dataType but keeps the entered text. */