ask: rename ask_operator → ask + optional 'to' for agent-to-agent Q&A

hive-ag3nt/src/bin/hive-m1nd.rs

@@ -36,7 +36,7 @@ enum Cmd {
     /// Run the manager MCP server on stdio. Spawned by claude via
     /// `--mcp-config`; same shape as `hive-ag3nt mcp` but with the
     /// manager tool surface (`request_spawn`, `kill`, `start`, `restart`,
-    /// `request_apply_commit`, `ask_operator`).
+    /// `request_apply_commit`, `ask`, `answer`, `remind`).
     Mcp,
 }