feat: activate buddy system in open build (#346)

src/commands.ts

@@ -59,6 +59,7 @@ import usage from './commands/usage/index.js'
 import theme from './commands/theme/index.js'
 import vim from './commands/vim/index.js'
 import { feature } from 'bun:bundle'
+import { isBuddyEnabled } from './buddy/feature.js'
 // Dead code elimination: conditional imports
 /* eslint-disable @typescript-eslint/no-require-imports */
 const proactive =
@@ -117,7 +118,7 @@ const forkCmd = feature('FORK_SUBAGENT')
       require('./commands/fork/index.js') as typeof import('./commands/fork/index.js')
     ).default
   : null
-const buddy = feature('BUDDY')
+const buddy = isBuddyEnabled()
   ? (
       require('./commands/buddy/index.js') as typeof import('./commands/buddy/index.js')
     ).default