docs(socket): note Socket Mode availability on Canary and Pilot1

examples/socket/README.md

@@ -60,9 +60,10 @@ You should see per-geo `ready` logs as each connection comes up, then `you said
 
 - **No HTTP surface** — tabs, remote functions, OAuth callbacks, and other
   browser routes are unavailable in Socket Mode.
-- **Canary endpoint** — the sample currently overrides `negotiate_base_url`
-  because Socket Mode negotiate is available on the canary ring while the
-  production default returns 503. Remove the override when production is
-  enabled.
+- **Canary and Pilot1 endpoints** — Socket Mode is currently available only on
+  the Canary (`https://canary.botapi.skype.com`) and Pilot1
+  (`https://pilot1.botapi.skype.com`) rings; the production default returns
+  503. The sample sets `negotiate_base_url` to the canary ring, but Pilot1 works
+  too. Remove the override when production is enabled.
 - **Classic bot identity only** — Socket Mode connects with the bot's MSA App Id.
   Agentic identities are not supported today.

examples/socket/src/main.py

@@ -27,6 +27,8 @@
 
 app = App(
     socket_mode=SocketModeOptions(
+        # Socket Mode is only available on the Canary and Pilot1 rings for now.
+        # Pilot1 (https://pilot1.botapi.skype.com) is supported as well.
         negotiate_base_url="https://canary.botapi.skype.com",
     )
 )