v0.10.0

Deploy feature line: fastagent deploy fly and fastagent deploy railway (artifact + runbook generation and --run to drive the host CLI to completion), the model-travel gate (the model must live in fastagent.config.ts to reach the box), OAuth-on-server (--run carries a local OAuth login as FASTAGENT_AUTH_SEED, materialized onto the volume on first boot), the first-run model picker, and an invoke retryable-classification fix.