Review M2b task 11: accept; M2b done

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

CLAUDE.md

@@ -5,10 +5,10 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 ## Current state
 
 Boxmaker is a sovereign personal agent harness written in Rust. Work proceeds one milestone at a
-time (M0 to M7, table in `docs/milestones.md`). M0 (measurements) and M1 (workspace, `proto`, gate,
-`Decision`) and M2a (the inference path: `inferproxy`, `loopd`'s HTTP, SSE and llama client,
-the startup self-test) are done. M2b (sessions, turn loop, `bxctl chat`) is specified in
-`docs/specs/2026-09-18-m2b-agent-loop.md` and planned in `docs/plans/M2b/`. Check `docs/implementer-log.md` for
+time (M0 to M7, table in `docs/milestones.md`). M0 (measurements), M1 (workspace, `proto`, gate,
+`Decision`), M2a (the inference path: `inferproxy`, `loopd`'s HTTP, SSE and llama client, the
+startup self-test) and M2b (sessions, the turn loop, `loopd serve`, `bxctl chat`) are done. M3
+(`brokerd`) is next to design. Check `docs/implementer-log.md` for
 what is in flight.
 
 - `docs/design.md` is the binding design brief. If it looks wrong or conflicts with a measurement,
@@ -43,8 +43,9 @@ requests, check `GET /slots?model=ornith-1.5-35b-a3b` so you do not evict someon
 - `make audit` runs `cargo deny check advisories`; it needs the network.
 - `make verify-device` (from M2a task 13) runs the ignored tests in `crates/loopd/tests/device.rs`
   against straylight through a private `inferproxy`. It uses Ornith slot 0.
-- `bxctl` is the owner CLI (`bxctl chat` from M2, `bxctl reindex` from M5). Until then every binary
-  prints "not implemented" and exits 2.
+- `bxctl` is the owner CLI: `bxctl chat` talks to a running `loopd serve --config <path>`;
+  `bxctl reindex` comes in M5. Roles not yet built (`brokerd`, `gatewayd`, `toolkit`) print "not
+  implemented" and exit 2.
 
 ## Architecture in brief