todo: trim state-badge entry to what's left (compacting/napping)

TODO.md

@@ -37,11 +37,11 @@ Pick anything from here when relevant. Cross-cutting design notes live in
   turns, and so `/events/history` survives restart. Cap rows per
   agent or auto-vacuum on age, same trade-off as the bounded broker
   entry below.
-- **Granular agent state badge** above the terminal: `idle 💤 / thinking 🧠 /
-  compacting 📦` with an age timer (`thinking · 12s`). Drives a state
-  channel from the harness: idle when waiting on the inbox, thinking
-  while claude's stream is open, compacting when `/compact` is in
-  flight. Replaces the binary "harness alive — turn loop running" line.
+- **State badge: compacting + napping states.** Idle/thinking already
+  ship (driven from SSE turn_start/turn_end). Add `compacting 📦` and
+  `napping 😴` once the `/compact` trigger and `nap` tool exist —
+  both need a harness signal (an explicit `LiveEvent::StateChange`
+  variant or piggyback on Note).
 - **Terminal: slash commands beyond /help and /clear.** Operator-facing
   in-terminal commands still to add: `/model`, `/compact`, `/cancel`.
   Each needs harness-side support (model override, force compaction,