Start a workflow from the switcher

api/openapi.yaml

@@ -194,7 +194,9 @@ paths:
         "404": { $ref: "#/components/responses/Error" }
     post:
       operationId: createTask
-      description: Creates the task's branch and worktree from the project's default branch.
+      description: >
+        Creates the task's branch and worktree from the project's default branch, or with workflow, starts a run of
+        that workflow from it.
       requestBody:
         required: true
         content:
@@ -1048,6 +1050,12 @@ components:
       required: [title]
       properties:
         title: { type: string }
+        workflow:
+          type: string
+          description: >
+            The name of a saved workflow to run instead of creating one task with no agent: each stage with no after
+            stages becomes its own task, titled "<title>: <stage>", with the title as the run's brief. The response is
+            the first of those tasks.
 
     WorkflowSummary:
       type: object