Record the connectors and what is still read-only

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011LF61rxW1FG5YCD2J9YqjY

NOTEPAD.md

@@ -86,6 +86,16 @@ Deferring because out of scope is fine, but don't mention deferring than.
   `crypto.hash is not a function` — Vite 7 wants Node 20.12+ and the host has 18. The
   Docker image builds fine, so it only bites local bundling; `bunx tsc` still type-checks.
 
+- FEAT/NODE: the connectors only read. Enable the write paths with someone watching:
+  WF-RAC `setAirconStat` (needs an operatorId registered with the unit first, which is
+  itself a write) and Art-Net `transmit`.
+- FEAT/NODE: the second WF-RAC unit (the one Node-RED addresses with operatorId "0")
+  closes the connection on an anonymous read. It likely wants an account registered;
+  the first unit answers without one.
+- CHORE/NODE: `wfrac` reports `mode` as "unknown" while the unit is off, because the
+  mode bits hold a value outside the known set. Faithful to the reference decoder, but
+  "off" would read better.
+
 ## Blocked
 
 - FEAT/UI: a "Bug" icon on the node error bubble opening the logs panel at that node's