Seed the aircon write-path rig

Four controls and the unit's own answer beside them. Two catches, both on:
the flow is seeded stopped and the node's commands setting is off. The initial
values are read off the unit when the script runs, so starting the flow asks
for what it was already doing rather than commanding it to something else.

Makefile

@@ -3,7 +3,7 @@
 # The workspace root delegates to these (see ../Makefile).
 
 .PHONY: dev-utils dev dev-local up down update install dev-backend dev-frontend \
-        generate-client seed-example seed-demo seed-house seed-hosted-demo test test-backend test-frontend soak bench-startup lint lint-backend \
+        generate-client seed-example seed-demo seed-house seed-aircon seed-hosted-demo test test-backend test-frontend soak bench-startup lint lint-backend \
         lint-frontend umami clean help
 
 COMPOSE_ROOT := $(CURDIR)
@@ -100,6 +100,9 @@ seed-demo:  ## Seed the training-run example: a batch flow and its dashboard
 seed-house:  ## Seed the house write-path rig (needs the real broker reachable)
 	cd backend && uv run python ../scripts/seed_house_control.py
 
+seed-aircon:  ## Seed the aircon write-path rig (needs the unit reachable)
+	cd backend && uv run python ../scripts/seed_aircon_control.py
+
 # Operators of the hosted demo only — NOT part of any deployment, and nothing a
 # self-hosted instance needs. It wipes and recreates its three flows and its
 # dashboard, so re-running it is how the public demo is reset.