Let the lead configure the iPhone Action button

internal/agents/workflows.go

@@ -51,6 +51,23 @@ func (m *Manager) SetReviewWorkflow(ctx context.Context, projectID, name, actor
 	return m.store.SetReviewWorkflow(ctx, projectID, name, actor)
 }
 
+func (m *Manager) SetQuickRun(ctx context.Context, login string, q api.QuickRun) (api.User, error) {
+	if (q.ProjectId == "") != (q.Workflow == "") {
+		return api.User{}, fmt.Errorf("%w: project_id and workflow are set together", ErrInvalid)
+	}
+	if q.ProjectId != "" {
+		_, err := m.store.GetProject(ctx, q.ProjectId)
+		if err != nil {
+			return api.User{}, fmt.Errorf("project %s: %w", q.ProjectId, err)
+		}
+		_, err = m.store.GetWorkflow(ctx, q.Workflow)
+		if err != nil {
+			return api.User{}, fmt.Errorf("workflow %q: %w", q.Workflow, err)
+		}
+	}
+	return m.store.UpdateQuickRun(ctx, login, q)
+}
+
 func reviewProblem(def api.WorkflowDefinition) error {
 	for _, s := range workflow.Stages(def) {
 		if s.Agents != nil {
@@ -918,6 +935,29 @@ func (m *Manager) workflowTools(tool func(name, description, schema string, run
 				return fmt.Sprintf("Project %s is audited with workflow %q.", p.Name, p.AuditWorkflow), nil
 			}),
 
+		tool("set_action_button",
+			"Set the workflow the human's iPhone Action button starts, and the project it runs in: pressing the button opens byre for a prompt and starts that workflow with it as the brief. "+
+				"Empty project_id and workflow turn it off. Only when the human asks.",
+			`{"type": "object", "properties": {
+				"project_id": {"type": "string"},
+				"workflow": {"type": "string"}
+			}, "required": ["project_id", "workflow"]}`,
+			func(ctx context.Context, user api.User, raw json.RawMessage) (string, error) {
+				q := api.QuickRun{}
+				err := json.Unmarshal(raw, &q)
+				if err != nil {
+					return "", err
+				}
+				u, err := m.SetQuickRun(ctx, user.Login, q)
+				if err != nil {
+					return "", err
+				}
+				if u.QuickRun.Workflow == "" {
+					return "The Action button starts no workflow now.", nil
+				}
+				return fmt.Sprintf("The Action button starts workflow %q in project %s.", u.QuickRun.Workflow, u.QuickRun.ProjectId), nil
+			}),
+
 		tool("delete_workflow",
 			"Delete a workflow from the server. Tasks that froze it keep their copy. Only when the human asks.",
 			`{"type": "object", "properties": {"name": {"type": "string"}}, "required": ["name"]}`,