v0.45.3
Adds the Stockgate Python client and qf service workflows.\n\n- Authenticate through Stockgate device OAuth.\n- Create services and request endpoint-bound, single-use registration grants.\n- Register, heartbeat, resolve, and clean up VGI endpoints.\n- Run a worker with a process-lifetime Iroh identity transferred to the bridge through inherited stdin.\n- Add unit coverage, documentation, and a staging E2E helper.