refactor(goclaw): comment out optional MiniMax and trace env vars

goclaw/.env.example

@@ -21,11 +21,11 @@ POSTGRES_DB=goclaw
 # Apply schema migrations and data hooks on startup.
 GOCLAW_AUTO_UPGRADE=true
 
-# MiniMax keys, for the MiniMax LLM provider and text-to-speech. Leave empty
-# when MiniMax is not used.
-GOCLAW_MINIMAX_API_KEY=
-GOCLAW_TTS_MINIMAX_API_KEY=
-GOCLAW_TTS_MINIMAX_GROUP_ID=
+# MiniMax keys, for the MiniMax LLM provider and text-to-speech. Uncomment
+# here and in compose.yml to use MiniMax.
+# GOCLAW_MINIMAX_API_KEY=
+# GOCLAW_TTS_MINIMAX_API_KEY=
+# GOCLAW_TTS_MINIMAX_GROUP_ID=
 
 # Set to 1 to log full LLM request and response bodies.
-GOCLAW_TRACE_VERBOSE=0
+# GOCLAW_TRACE_VERBOSE=0