refactor: move memory tooling into memory-core extension

src/cli/program/root-help.ts

@@ -13,11 +13,17 @@ function buildRootHelpProgram(): Command {
     agentChannelOptions: "",
   });
 
+  const existingCommands = new Set<string>();
   for (const command of getCoreCliCommandDescriptors()) {
     program.command(command.name).description(command.description);
+    existingCommands.add(command.name);
   }
   for (const command of getSubCliEntries()) {
+    if (existingCommands.has(command.name)) {
+      continue;
+    }
     program.command(command.name).description(command.description);
+    existingCommands.add(command.name);
   }
 
   return program;