fix(auto-reply): RawBody commands + locked session updates (#643)

src/auto-reply/templating.ts

@@ -11,6 +11,11 @@ export type OriginatingChannelType =
 
 export type MsgContext = {
   Body?: string;
+  /**
+   * Raw message body without structural context (history, sender labels).
+   * Used for command detection. Falls back to Body if not set.
+   */
+  RawBody?: string;
   From?: string;
   To?: string;
   SessionKey?: string;