Slate AR Status

Handle $ARGUMENTS by loading slate-ar and running its read-only status mode.

Use this when the user asks where the Slate v2 Autoresearch loop stands.

Contract:

• Read .tmp/slate-v2/autoresearch.* state when present.
• Run read-only Codex Autoresearch commands such as state, onboarding-packet, recommend-next, and dashboard liveness with --cwd .tmp/slate-v2.
• Start or restart Codex Autoresearch serve only to provide a live dashboard URL.
• Report latest, best, baseline, kept/discarded/checks-failed/crashed packet counts when available.
• Do not run next, log, setup, benchmark packets, finalization, branch, commit, push, or cleanup.