# Changelog

All notable changes to this project will be documented in this file.

## [Unreleased]

### 🌙 Mobile Application

- Default to dark theme across the mobile app
- Filter native calendar events by location to exclude empty ones
- Async station selection with error handling and alerts
- Improved notification settings UI

### 📅 Calendar Integration

- **Google Calendar sync** via full OAuth 2.0 flow (token exchange, refresh, and status checks)
- UI for connecting, syncing, and disconnecting Google accounts in the Calendar panel
- Batch edit panel for managing event destinations on the web calendar
- Edit support in AddEventModal for modifying existing events

### 🚉 Public Transport

- HAFAS LocMatch method in API client for finding nearest station to current location
- Improved station selection with async search and error handling
- WienerLinien departures hook improvements

### 🔧 API Client

- Added `fetchGoogleCalendarEvents` method for Google Calendar sync
- Added `findNearestStation` method for geolocation-based station lookup
- Enhanced HAFAS request handling

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## [1.0.0] — 2025-01-27

### 🎉 Initial MVP Release

First stable release of TimeToLeave: a smart departure planner that integrates
your calendar with real-time public transport data to tell you exactly when to leave.

### Web Application

- Next.js 16 web dashboard with Tailwind CSS 4
- Calendar sync via `.ics` file import or URL
- Station search and journey planning for upcoming events
- Real-time departures with dynamic leave-status countdown
- Browser-based leave reminders with push notifications
- Dark/light theme toggle
- Debounced search and optimized calendar loading
- Docker support with multi-stage build and standalone output

### Mobile Application

- React Native 0.81 / Expo 54 mobile client
- Five-screen navigation: Event List, Add Event, Event Detail, Origin Setup, Settings
- Native calendar import via `expo-calendar`
- Geolocation-based origin detection via `expo-location`
- Local push notifications via `expo-notifications`
- Persistent settings and state via AsyncStorage

### Public Transport Integration

- HAFAS protocol support for Austrian railway (ÖBB) real-time departures
- WienerLinien integration for Vienna U-Bahn, tram, and bus departures
- Accurate timezone-aware HAFAS time parsing with DST transition handling for `Europe/Vienna`
- Support for repeated stop IDs and multiple connections

### Routing

- Bike route calculation from origin to departure station via OSRM
- Geocoding API integration for station lookups
- Fallback and caching logic for API failures

### Shared Infrastructure

- Monorepo structure with npm workspaces
- `@timetoleave/core` — shared types, countdown utilities, and leave-status logic
- `@timetoleave/api-client` — typed client for HAFAS, calendar, geocoding, and bike routing
- Correlation IDs for request tracing and monitoring
- Comprehensive test coverage across web (Vitest) and mobile (Jest)
- Strict TypeScript type-checking across all workspaces
- ESLint linting across the codebase