Use invalid model

Author: kevinbackhouse

examples/taskflows/example.yaml

@@ -1,15 +1,17 @@
 # SPDX-FileCopyrightText: 2025 GitHub
 # SPDX-License-Identifier: MIT
 
-# Import settings from a model_config file.
-model_config: examples.model_configs.model_config
+seclab-taskflow-agent:
+  version: 1
+  filetype: taskflow
 
 taskflow:
   - task:
       # taskflows can optionally choose any of the support CAPI models for a task
       model: gpt_default
       # taskflows can optionally limit the max allowed number of Agent task loop
       # iterations to complete a task, this defaults to 50 when not provided
+      model: kevmodel
       max_steps: 20
       must_complete: true
       # taskflows can set a primary (first entry) and handoff (additional entries) agent