fix: use minimal CLI for conversation commands only

- Created bin/brainy-minimal.js with only conversation commands
- Fixes 'brainyData.js does not export Brainy' error
- Removed deprecated boolean package warning with override
- Full CLI will be restored in 3.20.0

This is a temporary fix to ensure conversation setup/remove work
while we refactor the complete CLI system.

src/cli/index.ts

@@ -10,9 +10,6 @@ import { Command } from 'commander'
 import chalk from 'chalk'
 import ora from 'ora'
 import { Brainy } from '../brainy.js'
-import { neuralCommands } from './commands/neural.js'
-import { coreCommands } from './commands/core.js'
-import { utilityCommands } from './commands/utility.js'
 import conversationCommand from './commands/conversation.js'
 import { readFileSync } from 'fs'
 import { fileURLToPath } from 'url'