Ollama Cloud usage is at 100% so ollama-cloud/* agents fail. Move
pm, junior, senior, qa to xai-oc (grok-4.5 / grok-4.3). leave intern on
local ollama/ornith:35b; lead/ops already on xAI.
Add 'hermes' to the trusted issue creators and comment authors in the
workflow gate so the Hermes Agent can create issues and comment with
@mentions to trigger the AI agent pipeline.