import type { Register } from 'claude-code'

import { resolveConfig } from './config'
import { buildRules, SECTION_ID } from './rules'

// 依強度與稱呼把規則段落加到系統提示最後；人格卡與檢索見 W5～W7。
export const register: Register = (on, options) => {
  const config = resolveConfig(options)
  on('prompt.compose', async ($, e, next) => {
    const result = await next(e)
    const text = buildRules(config)
    if (text === null) return result
    return { sections: [...result.sections, { id: SECTION_ID, text, scope: 'session' }] }
  })
}