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Pull request overview
This PR successfully addresses Issue #31 by refactoring the monolithic 1100+ line root page into a modular, maintainable structure. The changes separate concerns between the landing page (/) and the task decomposition workflow (/task-decomp), while introducing unified timezone handling and user-scoped autosave functionality.
Changes:
- Extracted task decomposition workflow from root page to
/task-decompwith modular components (steps, helpers, types, constants) - Created a clean landing page that presents two workflow modes: design mode (task decomposition) and operation mode (dashboard)
- Unified timezone normalization across frontend and backend with consistent fallback to "Asia/Tokyo"
- Implemented per-user localStorage autosave for task drafts with proper cleanup on logout and error handling
- Improved UI with Steps indicator, history Drawer, and enhanced status displays
- Prioritized summary over goal for calendar event names and history titles for consistency
Reviewed changes
Copilot reviewed 10 out of 10 changed files in this pull request and generated 3 comments.
Show a summary per file
| File | Description |
|---|---|
| frontend/src/app/page.tsx | Refactored from 1021 lines to 142 lines; now serves as a clean landing page with navigation to task-decomp and dashboard |
| frontend/src/app/task-decomp/page.tsx | New dedicated page (738 lines) for task decomposition workflow with improved UX including Steps, Drawer, and autosave |
| frontend/src/app/task-decomp/types.ts | Extracted type definitions for RunPhase, ErrorAction, ViewMode, and TransitionDirection |
| frontend/src/app/task-decomp/helpers.ts | Extracted helper functions (269 lines) including timezone normalization, formatting, and status conversion |
| frontend/src/app/task-decomp/constants.ts | Extracted constants including STEP_ITEMS, CALENDAR_REAUTH_MARKER, and DEFAULT_USER_TIMEZONE |
| frontend/src/app/task-decomp/components/task-decomp-steps.tsx | Modular step components (485 lines) for AuthStep, ComposeStep, RunningStep, and ResultStep |
| backend/src/features/task-decompose/task-timezone.ts | New utility for timezone normalization with IANA validation and fallback |
| backend/src/features/task-decompose/task-decompose.validation.ts | Updated to use normalizeTaskTimezone, making timezone effectively non-optional after validation |
| backend/src/features/task-decompose/task-decompose.service.ts | Updated to use normalizeTaskTimezone for consistent prompt generation |
| backend/src/features/task-decompose/task-calendar.service.ts | Updated to use normalizeTaskTimezone and prioritize summary over goal for event names |
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Retasusan
approved these changes
Feb 22, 2026
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概要
/task-decompを中心に、導線・UI・実行履歴・入力体験を改善し、トップページと/dashboardを含めた全体体験を整理しました。変更内容
ルーティング/構成整理
ルートページと
/task-decompの役割分離、トップ導線の追加/task-decompのコンポーネント分割（helpers / step components）/task-decompUI/UX 改善モバイルで冗長なカード構成を簡素化
Steps 表示、ステータス表示、履歴 Drawer 導線/レイアウトを改善
Google 認可説明文・実行処理説明の見直し
トップ/ダッシュボードへのナビゲーション追加
タスク入力のアカウント単位 autosave（localStorage）追加
カレンダー/履歴表示改善
Calendar 予定名に要約タイトル（summary）を優先利用
履歴タイトル・結果表示の文言と情報設計を調整
タイムゾーン統一（最新）
backend でタイムゾーン正規化関数を追加し、validation / decomposition prompt / calendar sync で共通利用
frontend で表示時タイムゾーンを正規化し、履歴・結果・予定表示で一貫した基準に統一
ブラウザ検出タイムゾーンを送信時にも利用し、期限/表示のズレを低減
動作確認方法
pnpm --dir frontend checkpnpm --dir backend check/task-decompでログイン後、タスク実行チェックリスト
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