harness: remove deprecated manager-side request_spawn surface (closes #442)

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

@@ -36,8 +36,8 @@ 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`, `answer`, `remind`).
+    /// manager tool surface (`request_init_config`, `request_apply_commit`,
+    /// `kill`, `start`, `restart`, `ask`, `answer`, `remind`, …).
     Mcp,
 }