run 15

docs/pt2-protocol-summary.md

@@ -196,7 +196,11 @@ What does not work:
 - The RCP sends heartbeat continuously when not active.
 - The RCP can parse host traffic and produce structured, checksum-valid
   responses.
-- The B/A/C command regions expose one-shot readable response blocks.
+- The B/A/C command regions expose the cleanest currently mapped one-shot
+  readable response blocks.
+- Commands outside B/A/C have also been tested; most were heartbeat-only,
+  `CONNECT NOT ACT` parser-visible, CALL-path related, or context-sensitive
+  rather than part of the stable mapped response table.
 - The CALL event path can be synthesized by the host without pressing the
   physical button.
 - The panel can remain visibly at `CONNECT NOT ACT` while still responding in