takt/src/infra/task/summarize.ts
2026-02-02 17:11:42 +09:00

107 lines
3.2 KiB
TypeScript

/**
* Task name summarization using AI or romanization
*
* Generates concise English/romaji summaries for use in branch names and clone paths.
*/
import * as wanakana from 'wanakana';
import { loadGlobalConfig } from '../config/global/globalConfig.js';
import { getProvider, type ProviderType } from '../providers/index.js';
import { createLogger } from '../../shared/utils/debug.js';
import type { SummarizeOptions } from './types.js';
export type { SummarizeOptions };
const log = createLogger('summarize');
const SUMMARIZE_SYSTEM_PROMPT = `You are a slug generator. Given a task description, output ONLY a slug.
NEVER output sentences. NEVER start with "this", "the", "i", "we", or "it".
ALWAYS start with a verb: add, fix, update, refactor, implement, remove, etc.
Format: verb-noun (lowercase, hyphens, max 30 chars)
Input → Output:
認証機能を追加する → add-auth
Fix the login bug → fix-login-bug
ユーザー登録にメール認証を追加 → add-email-verification
worktreeを作るときブランチ名をAIで生成 → ai-branch-naming
レビュー画面に元の指示を表示する → show-original-instruction`;
/**
* Sanitize a string for use as git branch name and directory name.
* Allows only: a-z, 0-9, hyphen.
*/
function sanitizeSlug(input: string, maxLength = 30): string {
return input
.trim()
.toLowerCase()
.replace(/[^a-z0-9-]/g, '-')
.replace(/-+/g, '-')
.replace(/^-+/, '')
.slice(0, maxLength)
.replace(/-+$/, '');
}
/**
* Convert Japanese text to romaji slug.
*/
function toRomajiSlug(text: string): string {
const romaji = wanakana.toRomaji(text, { customRomajiMapping: {} });
return sanitizeSlug(romaji);
}
/**
* Summarizes task names into concise slugs using AI or romanization.
*/
export class TaskSummarizer {
/**
* Summarize a task name into a concise slug.
*
* @param taskName - Original task name (can be in any language)
* @param options - Summarization options
* @returns Slug suitable for branch names (English if LLM, romaji if not)
*/
async summarize(
taskName: string,
options: SummarizeOptions,
): Promise<string> {
const useLLM = options.useLLM ?? true;
log.info('Summarizing task name', { taskName, useLLM });
if (!useLLM) {
const slug = toRomajiSlug(taskName);
log.info('Task name romanized', { original: taskName, slug });
return slug || 'task';
}
const globalConfig = loadGlobalConfig();
const providerType = (globalConfig.provider as ProviderType) ?? 'claude';
const model = options.model ?? globalConfig.model ?? 'haiku';
const provider = getProvider(providerType);
const response = await provider.call('summarizer', taskName, {
cwd: options.cwd,
model,
systemPrompt: SUMMARIZE_SYSTEM_PROMPT,
allowedTools: [],
});
const slug = sanitizeSlug(response.content);
log.info('Task name summarized', { original: taskName, slug });
return slug || 'task';
}
}
// ---- Backward-compatible module-level function ----
const defaultSummarizer = new TaskSummarizer();
export async function summarizeTaskName(
taskName: string,
options: SummarizeOptions,
): Promise<string> {
return defaultSummarizer.summarize(taskName, options);
}