• [new] Auth events for 401 attribution, disk-token expiry recovery, authority refresh failure, permanent failure set/short-circuit, prepare_sampling_config with no session key, and silent refresh failure requiring re-auth (fields cover key prefixes, expiry, reason/TTL, auth_type/model).
• [new] oidc try_refresh_pure terminal error with client_id, error_code/description, suspend timing, and tried RT prefix.
• [new] model catalog refresh failed (had_real_catalog).
• [new] shell.turn.inference_failed and turn.terminal_failure (retryability, kind/status, sampler request id, reauthable, auth_mode, key_prefix).
• [removed] Intermediate/success auth events: cached_token check, init user_info check, cached_token method-priority override, disk write/enrichment, refresh.success, cached_token handler set api_key.
• [removed] Model catalog auth-refresh watcher trigger/update, fetch succeeded, and client notify events.
• [removed] oidc try_refresh_pure succeeded, shell.tool.exec_done, and shell.turn.inference_done.
• [removed] Session files sessions/{workspace}/{session}/resources_state.json and signals.json.
• [removed] Top-level bundled/ tree (agents, personas, roles, skills, scripts, and manifest).