feat(config): add hyperplan to builtin command schema

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/config/schema/commands.ts

@@ -9,6 +9,7 @@ export const BuiltinCommandNameSchema = z.enum([
   "start-work",
   "stop-continuation",
   "remove-ai-slops",
+  "hyperplan",
 ])
 
 export type BuiltinCommandName = z.infer<typeof BuiltinCommandNameSchema>