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docs: translate CLAUDE.md to English, extend README with new features

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German documentation in CLAUDE.md was a barrier for any contributor or
tool without German language context. English is the project's working
language for code and commits — the docs should match.

README.md (bilingual) received new entries for logout confirmation,
shared types layer, ChapterPanel, and QualityPanel in both EN and DE.
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# Twitch4SteamDeck — CLAUDE.md # Twitch4SteamDeck — CLAUDE.md
Twitch-Client für das Steam Deck. Electron + React, gamepad-navigierbar, Big-Screen-UI (auf Linux/Steam Deck: Fenster maximiert auf Primärdisplay; im Windows-Dev: 1280x800). Unterstützt Live-Streams und VODs mit Resume und Kapitelwahl. Deployment als Flatpak auf dem Steam Deck. Twitch client for the Steam Deck. Electron + React, gamepad-navigable, Big-Screen UI (on Linux/Steam Deck: window maximized on primary display; on Windows dev: 1280x800). Supports live streams and VODs with resume and chapter selection. Deployed as a Flatpak on the Steam Deck.
--- ---
## Tech-Stack ## Tech Stack
| Schicht | Technologie | | Layer | Technology |
|---|---| |---|---|
| Framework | Electron 33, electron-vite, React 18, TypeScript 5.5 | | Framework | Electron 33, electron-vite, React 18, TypeScript 5.5 |
| Playback | hls.js 1.6 (HTML5 `<video>` im Renderer), Streamlink 6.11.0 im Flatpak-Build / 8.2.1 im Windows-Dev (nur für `--stream-url`) | | Playback | hls.js 1.6 (HTML5 `<video>` in renderer), Streamlink 6.11.0 in Flatpak build / 8.2.1 on Windows dev (only for `--stream-url`) |
| Gamepad (Linux) | evdev `/dev/input/event*` mit BTN_*-Codes (Xbox, PlayStation, Nintendo; USB + Bluetooth) | | Gamepad (Linux) | evdev `/dev/input/event*` with BTN_* codes (Xbox, PlayStation, Nintendo; USB + Bluetooth) |
| DB | better-sqlite3 (VOD-Verlauf + Resume-Positionen) | | DB | better-sqlite3 (VOD history + resume positions) |
| Packaging | Flatpak (freedesktop SDK 24.08, Electron2 BaseApp) | | Packaging | Flatpak (freedesktop SDK 24.08, Electron2 BaseApp) |
| Build-Host | Windows, Flatpak-Build läuft in WSL2 | | Build host | Windows, Flatpak build runs in WSL2 |
| Target | Steam Deck (Linux x86_64, Gaming Mode) | | Target | Steam Deck (Linux x86_64, Gaming Mode) |
--- ---
## Architektur ## Architecture
``` ```
Electron Main Process Electron Main Process
├── AuthService — Twitch Device Code Flow, Token-Verwaltung (safeStorage) ├── AuthService — Twitch Device Code Flow, token management (safeStorage)
├── HelixClient — Twitch Helix REST API + GQL (Kapitel) ├── HelixClient — Twitch Helix REST API + GQL (chapters)
├── PlaybackService — Live-/VOD-Orchestrierung ├── PlaybackService — Live/VOD orchestration
│ └── streamlink.ts — getStreamUrl() + getAvailableQualities() via streamlink │ └── streamlink.ts — getStreamUrl() + getAvailableQualities() via streamlink
├── historyRepo — SQLite VOD-Verlauf (Resume, Completed) ├── historyRepo — SQLite VOD history (resume, completed)
└── gamepadReader — Linux evdev /dev/input/event* (via js*-Discovery, BTN_*-Codes) └── gamepadReader — Linux evdev /dev/input/event* (via js* discovery, BTN_* codes)
Preload (contextBridge) Preload (contextBridge)
└── window.t4sd — Typisierte IPC-Bridge (auth, twitch, history, playback, gamepad) └── window.t4sd — Typed IPC bridge (auth, twitch, history, playback, gamepad)
Renderer (React) Renderer (React)
├── App.tsx — Auth-Gate: LoginScreen | AppShell ├── App.tsx — Auth gate: LoginScreen | AppShell (wrapped in ErrorBoundary)
├── AppShell.tsx — Tab-Routing, Sidebar/Main-Fokus, Globaler Playback-Overlay ├── AppShell.tsx — Tab routing, sidebar/main focus, global playback overlay
├── screens/ — FollowingScreen, BrowseScreen, CategoryScreen, ├── screens/ — FollowingScreen, BrowseScreen, CategoryScreen,
│ ChannelScreen (Hauptscreen), StreamListScreen, Settings, Account │ ChannelScreen (main screen), StreamListScreen, Settings, Account
├── components/ ├── components/
│ ├── VideoPlayer.tsx — hls.js <video> Wrapper (forwardRef, imperative handle) │ ├── VideoPlayer.tsx — hls.js <video> wrapper (forwardRef, imperative handle)
│ ├── PlaybackOverlay.tsx — DOM-Overlay über dem Video (z-index: 300) │ ├── PlaybackOverlay.tsx — DOM overlay over the video (z-index: 300)
│ └── GamepadPrompt.tsx — Typisierte Gamepad-Button-Icons (Face, Shoulder, D-Pad) │ ├── ChapterPanel.tsx — Chapter selection panel as a standalone component
│ ├── QualityPanel.tsx — Quality selection panel as a standalone component
│ ├── ErrorBoundary.tsx — React Error Boundary (errors logged via electron-log)
│ └── GamepadPrompt.tsx — Typed gamepad button icons (face, shoulder, D-pad)
├── hooks/ ├── hooks/
│ └── usePlaybackSession.ts — Gemeinsamer Playback-State-Hook für AppShell + ChannelScreen │ ├── usePlaybackSession.ts — Shared playback state hook for AppShell + ChannelScreen
├── input/gamepad.ts — Browser Gamepad API (Windows, Dev-Mode) │ └── useChannelKeyHandler.ts — Mode-based key handler for ChannelScreen
└── context/SettingsContext.tsx — localStorage-Settings (streamBadgeMode, sidebarWidth, …) ├── lib/
│ ├── playbackKeys.ts — Shared key dispatch for playback (AppShell + ChannelScreen)
│ └── hlsNoCacheLoader.ts — Fetch API-based hls.js loader (cache: 'no-store')
├── input/gamepad.ts — Browser Gamepad API (Windows, dev mode)
└── context/SettingsContext.tsx — localStorage settings (streamBadgeMode, sidebarWidth, …)
``` ```
### Datenfluss ### Data Flow
- **Auth:** LoginScreen → IPC → AuthService → Device Code Flow → Token (safeStorage) - **Auth:** LoginScreen → IPC → AuthService → Device Code Flow → token (safeStorage)
- **Browsing:** Screen → IPC → HelixClient → Twitch Helix API → Screen - **Browsing:** Screen → IPC → HelixClient → Twitch Helix API → Screen
- **Live-Playback (via ChannelScreen):** ChannelScreen → IPC `playback:start-live` → PlaybackService → `streamlink --stream-url twitch.tv/<login>` → HLS-URL → IPC-Event `playback:hls-url` → Renderer → `VideoPlayer` (hls.js) - **Live playback (via ChannelScreen):** ChannelScreen → IPC `playback:start-live` → PlaybackService → `streamlink --stream-url twitch.tv/<login>` → HLS URL → IPC event `playback:hls-url` → renderer → `VideoPlayer` (hls.js)
- **Live-Playback (Direkt-Start):** BrowseScreen/StreamListScreen/CategoryScreen → A-Button → `window.t4sd.playback.startLive()` → PlaybackService → HLS-URL → IPC-Event `playback:hls-url` → AppShell-Globaler-Overlay → `VideoPlayer` (hls.js) — **kein ChannelScreen-Routing** - **Live playback (direct start):** BrowseScreen/StreamListScreen/CategoryScreen → A button → `window.t4sd.playback.startLive()` → PlaybackService → HLS URL → IPC event `playback:hls-url` → AppShell global overlay → `VideoPlayer` (hls.js) — **no ChannelScreen routing**
- **VOD-Playback:** ChannelScreen → IPC `playback:start-vod` → PlaybackService → `streamlink --stream-url twitch.tv/videos/<id>` → HLS-URL → IPC-Event `playback:hls-url` → Renderer → `VideoPlayer` (hls.js, seekTo startPosition) - **VOD playback:** ChannelScreen → IPC `playback:start-vod` → PlaybackService → `streamlink --stream-url twitch.tv/videos/<id>` → HLS URL → IPC event `playback:hls-url` → renderer → `VideoPlayer` (hls.js, seekTo startPosition)
- **Overlay:** `PlaybackOverlay` (z-index: 300) liegt als normales DOM-Element über `VideoPlayer` (z-index: 100) — kein Fenster-Layering nötig - **Overlay:** `PlaybackOverlay` (z-index: 300) sits as a normal DOM element over `VideoPlayer` (z-index: 100) — no window layering needed
- **Seek/Pause/Stop:** direkt über `videoRef.current` (kein IPC-Roundtrip) - **Seek/pause/stop:** directly via `videoRef.current` (no IPC round-trip)
- **Qualitätswechsel:** `videoRef.current.stop()` → `startLive/startVod(quality)` → neuer `playback:hls-url` Event — streamlink-Neustart nötig, da Single-Bitrate-HLS (kein hls.js Level-Switch möglich) - **Quality switch:** `videoRef.current.stop()` → `startLive/startVod(quality)` → new `playback:hls-url` event — streamlink restart required since single-bitrate HLS (no hls.js level switch possible)
- **Qualitätsliste:** `IPC playback:get-qualities` → `streamlink --json <url>` → `Object.keys(streams)` sortiert nach fixem Order-Array - **Quality list:** IPC `playback:get-qualities` → `streamlink --json <url>` → `Object.keys(streams)` sorted by fixed order array
- **Position-Tracking:** `VideoPlayer` meldet alle 5s via IPC `playback:report-position` → Main → SQLite - **Position tracking:** `VideoPlayer` reports every 5s via IPC `playback:report-position` → main → SQLite
- **Gamepad:** evdev `/dev/input/event*` via js*-Discovery (Linux/Gaming-Mode) **oder** `navigator.getGamepads()` (Windows/Dev) → synthetische `KeyboardEvent`s → alle Screen-Handler reagieren auf Keys - **Gamepad:** evdev `/dev/input/event*` via js* discovery (Linux/Gaming Mode) **or** `navigator.getGamepads()` (Windows/dev) → synthetic `KeyboardEvent`s → all screen handlers respond to keys
--- ---
## Entwicklung ## Development
### Voraussetzungen ### Prerequisites
- Node.js, npm - Node.js, npm
- `.env` mit `MAIN_VITE_TWITCH_CLIENT_ID=<deine-client-id>` (Twitch Application, Public, Device Code Flow) - `.env` with `MAIN_VITE_TWITCH_CLIENT_ID=<your-client-id>` (Twitch Application, Public, Device Code Flow)
- Windows: Streamlink unter `%LOCALAPPDATA%\Programs\Streamlink\bin\streamlink.exe` - Windows: Streamlink at `%LOCALAPPDATA%\Programs\Streamlink\bin\streamlink.exe`
### Build-Befehle ### Build Commands
```bash ```bash
npm install # Dependencies installieren npm install # Install dependencies
npm run dev # Electron Dev-Server mit Hot-Reload starten npm run dev # Start Electron dev server with hot reload
npm run build # Produktions-Build (out/) npm run build # Production build (out/)
npm run typecheck # TypeScript prüfen (npx tsc --noEmit) npm run typecheck # Check TypeScript (npx tsc --noEmit)
npm run package # Linux AppImage bauen (dist/) npm run package # Build Linux AppImage (dist/)
``` ```
### Flatpak-Build (WSL2) ### Flatpak Build (WSL2)
Muss aus dem WSL2-Dateisystem (NICHT `/mnt/`) laufen: Must run from the WSL2 filesystem (NOT `/mnt/`):
```bash ```bash
bash flatpak/build-flatpak.sh bash flatpak/build-flatpak.sh
``` ```
Das Skript: prüft deps → npm-Build → Python-Deps generieren → Streamlink-Tarballs hashen → `flatpak-builder` → SCP zum Steam Deck. The script: checks deps → npm build → generate Python deps → hash Streamlink tarballs → `flatpak-builder` → SCP to Steam Deck.
--- ---
## Codebase-Struktur ## Codebase Structure
``` ```
src/shared/
types.ts — Shared types between main + renderer (AuthStatus, PlaybackEvent, HlsUrlPayload, VodInfo, VodChapter, …)
src/main/ src/main/
index.ts — Electron-Einstiegspunkt, Service-Wiring, Window (Linux: maximiert auf Primärdisplay; Windows: 1280x800), CORS-Handler für Twitch CDN index.ts — Electron entry point, service wiring, window (Linux: maximized on primary display; Windows: 1280x800), CORS handler for Twitch CDN
env.d.ts — Typ für MAIN_VITE_TWITCH_CLIENT_ID env.d.ts — Type for MAIN_VITE_TWITCH_CLIENT_ID
auth/ auth/
authService.ts — Auth-Lifecycle, Token-Refresh, Event-Emitter authService.ts — Auth lifecycle, token refresh, event emitter
deviceCodeFlow.ts — OAuth Device Code + Polling (https://id.twitch.tv/oauth2/) deviceCodeFlow.ts — OAuth Device Code + polling (https://id.twitch.tv/oauth2/)
tokenStore.ts — safeStorage-Verschlüsselung, Fallback auf plaintext tokenStore.ts — safeStorage encryption, plaintext fallback
constants/ constants/
input.ts — TRIGGER_THRESHOLD, DEDUP_WINDOW_MS, HOTPLUG_SCAN_INTERVAL_MS input.ts — TRIGGER_THRESHOLD, DEDUP_WINDOW_MS, HOTPLUG_SCAN_INTERVAL_MS
input/ input/
gamepadReader.ts — evdev /dev/input/event* Leser (via js*-Discovery), Hotplug (3s-Scan), Deduplizierung (40ms); BTN_*-Codes für controller-unabhängiges Mapping gamepadReader.ts — evdev /dev/input/event* reader (via js* discovery), hotplug (3s scan), deduplication (40ms); BTN_* codes for driver-independent controller mapping
ipc/ ipc/
handlers.ts — Alle ipcMain.handle()-Registrierungen + Event-Forwarding channels.ts — IPC channel names as a typed constants object (IPC.*); single source of truth
handlers.ts — All ipcMain.handle() registrations + event forwarding
playback/ playback/
playbackService.ts — Orchestrator: streamlink --stream-url → HLS-URL → playback-hls-url Event; startVod(quality?); getAvailableQualities() playbackService.ts — Orchestrator: streamlink --stream-url → HLS URL → playback:hls-url event; startVod(quality?); getAvailableQualities()
streamlink.ts — getStreamUrl() + getAvailableQualities() via streamlink (--stream-url für URL, --json für Qualitätsliste) streamlink.ts — getStreamUrl() + getAvailableQualities() via streamlink (--stream-url for URL, --json for quality list)
types.ts — Quality-Typ, PlaybackEvent, HlsUrlPayload types.ts — Quality type; re-exports PlaybackEvent from src/shared/types
prefs/ prefs/
hlsCachePref.ts — In-Memory-Flag für HLS-Disk-Cache-Aktivierung (gesetzt via app:set-hls-cache-enabled IPC) hlsCachePref.ts — In-memory flag for HLS disk cache activation (set via app:set-hls-cache-enabled IPC)
store/ store/
db.ts — SQLite-Init, WAL-Modus, Migration (vod_history-Tabelle) db.ts — SQLite init, WAL mode, migration (vod_history table)
historyRepo.ts — upsertVod, updatePosition, markCompleted, getProgressMap historyRepo.ts — upsertVod, updatePosition, markCompleted, getProgressMap
twitch/ twitch/
helixClient.ts — Helix-API (followed, streams, videos, games) + GQL (Kapitel) helixClient.ts — Helix API (followed, streams, videos, games) + GQL (chapters)
types.ts — Helix-Typen + vereinfachte Renderer-Typen types.ts — Helix-specific types
src/preload/ src/preload/
index.ts — contextBridge: window.t4sd (auth, twitch, history, playback, gamepad) index.ts — contextBridge: window.t4sd (auth, twitch, history, playback, gamepad)
src/renderer/ src/renderer/
index.html — CSP: default-src 'self'; media-src 'self' blob: (blob: nötig für hls.js MediaSource) index.html — CSP: default-src 'self'; media-src 'self' blob: (blob: required for hls.js MediaSource)
src/renderer/src/ src/renderer/src/
App.tsx — Auth-Gate, Gamepad-Init App.tsx — Auth gate, gamepad init, ErrorBoundary wrapper
main.tsx — React-DOM-Bootstrap, SettingsProvider main.tsx — React DOM bootstrap, SettingsProvider
screens/ screens/
AppShell.tsx — Tab-Routing, Sidebar/Main-Fokus-Split, Globaler Playback-Overlay (direkter Stream-Start ohne ChannelScreen), Qualitätswahl für Live AppShell.tsx — Tab routing, sidebar/main focus split, global playback overlay (direct stream start without ChannelScreen), quality selection for live
LoginScreen.tsx — Device-Code-Login, QR-Code, Countdown LoginScreen.tsx — Device code login, QR code, countdown
FollowingScreen.tsx — Gefolgte Kanäle (Grid), Live/Offline-Sort FollowingScreen.tsx — Followed channels (grid), live/offline sort
BrowseScreen.tsx — Top-Streams-Shelf (A=Direkt-Play, X=Kanalseite) + Kategorien-Grid (Infinite Scroll) BrowseScreen.tsx — Top streams shelf (A=direct play, X=channel page) + category grid (infinite scroll)
CategoryScreen.tsx — Streams einer Kategorie (A=Direkt-Play, X=Kanalseite) CategoryScreen.tsx — Streams for a category (A=direct play, X=channel page)
ChannelScreen.tsx — Channel-Detail, VOD-Shelf, VideoPlayer + PlaybackOverlay, Kapitel-Panel, Qualitätswahl ChannelScreen.tsx — Channel detail, VOD shelf, VideoPlayer + PlaybackOverlay, chapter panel, quality selection; key handling via useChannelKeyHandler
StreamListScreen.tsx — Sprachgefilterte Stream-Liste DE/EN (A=Direkt-Play, X=Kanalseite) StreamListScreen.tsx — Language-filtered stream list DE/EN (A=direct play, X=channel page)
SettingsScreen.tsx — streamBadgeMode, sidebarWidth, badgeGap SettingsScreen.tsx — streamBadgeMode, sidebarWidth, badgeGap, hlsCacheEnabled, fileLoggingEnabled
AccountScreen.tsx — Nutzerinfo, Logout AccountScreen.tsx — User info, logout (with confirmation dialog)
components/ components/
VideoPlayer.tsx — hls.js <video> Wrapper, forwardRef (seek, seekTo, pause, play, stop, getCurrentTime); attachMedia vor loadSource; play() in MANIFEST_PARSED VideoPlayer.tsx — hls.js <video> wrapper, forwardRef (seek, seekTo, pause, play, stop, getCurrentTime); attachMedia before loadSource; play() in MANIFEST_PARSED
PlaybackOverlay.tsx — DOM-Overlay (Seek-Bar, Kanalinfo, Gamepad-Hints, Auto-Hide, Qualitäts-Button + Panel); playState: 'playing'|'paused' PlaybackOverlay.tsx — DOM overlay (seek bar, channel info, gamepad hints, auto-hide); playState: 'playing'|'paused'
GamepadPrompt.tsx — Typisierter Gamepad-Button-Renderer (<GamepadPrompt prompt="a"/>, <GamepadHintItem>) ChapterPanel.tsx — Chapter selection panel (during playback or VOD start); duringPlayback prop controls label
FocusableCard.tsx — Wiederverwendbare Kanal-Karte (Thumbnail, Badge, Progress) QualityPanel.tsx — Quality selection panel with button + dropdown list
Sidebar.tsx — Navigationssidebar (6 Tabs) ErrorBoundary.tsx — React Error Boundary; logs via electron-log, shows reload button
LanguageBadge.tsx — Sprach-/Flagge-Badge GamepadPrompt.tsx — Typed gamepad button renderer (<GamepadPrompt prompt="a"/>, <GamepadHintItem>)
Icons.tsx — SVG-Icons FocusableCard.tsx — Reusable channel card (thumbnail, badge, progress)
Sidebar.tsx — Navigation sidebar (6 tabs)
LanguageBadge.tsx — Language/flag badge
Icons.tsx — SVG icons
constants/ constants/
ui.ts — CARD_W, CARD_GAP, STREAM_W, STREAM_GAP (Karten-/Grid-Größen) ui.ts — CARD_W, CARD_GAP, STREAM_W, STREAM_GAP (card/grid sizes)
playback.ts — OVERLAY_HIDE_DELAY_MS, DOUBLE_TAP_MS, POSITION_REPORT_INTERVAL_MS playback.ts — OVERLAY_HIDE_DELAY_MS, DOUBLE_TAP_MS, POSITION_REPORT_INTERVAL_MS
input.ts — AXIS_THRESHOLD, REPEAT_INITIAL_MS, REPEAT_INTERVAL_MS input.ts — AXIS_THRESHOLD, REPEAT_INITIAL_MS, REPEAT_INTERVAL_MS
context/ context/
SettingsContext.tsx — localStorage-Settings (streamBadgeMode, sidebarWidth, badgeGap), CSS-Custom-Properties-Sync SettingsContext.tsx — localStorage settings (streamBadgeMode, sidebarWidth, badgeGap, hlsCacheEnabled, fileLoggingEnabled), CSS custom properties sync
hooks/ hooks/
usePlaybackSession.ts — Gemeinsamer Hook: hlsPayload, playState, videoRef, Quality-Panel-State, startLive/startVod/stop; genutzt von AppShell + ChannelScreen usePlaybackSession.ts — Shared hook: hlsPayload, playState, videoRef, quality panel state, startLive/startVod/stop; used by AppShell + ChannelScreen
useChannelKeyHandler.ts — Mode-based key handler for ChannelScreen; 5 modes: chapter/playback-quality/playback/hero/shelf
input/ input/
gamepad.ts — Browser Gamepad API, rAF-Poll, Achsen-Debounce gamepad.ts — Browser Gamepad API, rAF poll, axis debounce
lib/ lib/
formatting.ts — Gemeinsame Format-Utilities (Zeit, Zahlen, Dauer) formatting.ts — Shared format utilities (time, numbers, duration)
languageBadge.ts — ISO-Code → Flagge/Kürzel Mapping (~40 Sprachen) languageBadge.ts — ISO code → flag/abbreviation mapping (~40 languages)
playbackKeys.ts — Shared key dispatch for playback mode + quality panel; used by AppShell + ChannelScreen
hlsNoCacheLoader.ts — Fetch API-based hls.js loader (cache: 'no-store'); prevents HLS disk cache more reliably than XHR headers
styles/ styles/
global.css — Dark Theme (#0e0e10, #9147ff Akzent), 1280x800-optimiert global.css — Dark theme (#0e0e10, #9147ff accent), 1280x800-optimized
types/ types/
t4sd.d.ts — window.t4sd-Typ-Deklaration t4sd.d.ts — window.t4sd type declaration
scripts/ scripts/
test-playback-pipeline.mjs — Standalone-Test: streamlink → HLS-URL → Manifest → Segment (node scripts/test-playback-pipeline.mjs twitch.tv/<kanal>) test-playback-pipeline.mjs — Standalone test: streamlink → HLS URL → manifest → segment (node scripts/test-playback-pipeline.mjs twitch.tv/<channel>)
flatpak/ flatpak/
tv.twitch4steamdeck.App.yml — Flatpak-Manifest (Streamlink, alle Native-Deps) tv.twitch4steamdeck.App.yml — Flatpak manifest (Streamlink, all native deps)
build-flatpak.sh — 6-Schritt Build-Pipeline (WSL2) build-flatpak.sh — 6-step build pipeline (WSL2)
twitch4steamdeck.sh — Launcher mit zypak-wrapper twitch4steamdeck.sh — Launcher with zypak wrapper
tv.twitch4steamdeck.App.desktop tv.twitch4steamdeck.App.desktop
``` ```
--- ---
## Wichtige Patterns & Architektur-Entscheidungen ## Key Patterns & Architecture Decisions
### IPC-Bridge Pattern ### IPC Bridge Pattern
Alle Renderer→Main-Calls gehen über `window.t4sd.*` (definiert in `src/preload/index.ts`). Neue Features brauchen: All renderer→main calls go through `window.t4sd.*` (defined in `src/preload/index.ts`). New features require:
1. Handler in `src/main/ipc/handlers.ts` (`ipcMain.handle('kanal:aktion', ...)`) 1. Channel constant in `src/main/ipc/channels.ts` (in the `IPC` object)
2. Bridge-Methode in `src/preload/index.ts` 2. Handler in `src/main/ipc/handlers.ts` (`ipcMain.handle(IPC.channelAction, ...)`)
3. Typ-Deklaration in `src/renderer/src/types/t4sd.d.ts` 3. Bridge method in `src/preload/index.ts`
4. Type declaration in `src/renderer/src/types/t4sd.d.ts`
IPC-Namespaces: `app:` (quit, Cache-Größe, Cache leeren, HLS-Cache-Toggle), `auth:`, `twitch:`, `history:`, `playback:`, `gamepad:` (Main→Renderer-Events). IPC namespaces: `app:` (quit, cache size, clear cache, HLS cache toggle, file logging toggle), `auth:`, `twitch:`, `history:`, `playback:`, `gamepad:` (main→renderer events).
### Zwei Playback-Kontexte ### Two Playback Contexts
Beide Kontexte nutzen `usePlaybackSession` (`src/renderer/src/hooks/usePlaybackSession.ts`) — der Hook kapselt `hlsPayload`, `playState`, `videoRef`, Quality-Panel-State sowie `startLive`/`startVod`/`stop`. Der `active`-Parameter steuert, ob der Hook auf IPC-Events (hls-url, playback-event) subscribed. Both contexts use `usePlaybackSession` (`src/renderer/src/hooks/usePlaybackSession.ts`) — the hook encapsulates `hlsPayload`, `playState`, `videoRef`, quality panel state, and `startLive`/`startVod`/`stop`. The `active` parameter controls whether the hook subscribes to IPC events (hls-url, playback-event).
**1. ChannelScreen-Playback** (Live + VOD, X-Button oder „Du folgst"): **1. ChannelScreen playback** (live + VOD, via X button or "You follow"):
- Nutzer navigiert zur ChannelScreen → drückt „▶ Live ansehen" oder wählt einen VOD - User navigates to ChannelScreen → presses "▶ Watch live" or selects a VOD
- ChannelScreen instanziiert `usePlaybackSession({ active: true })` — hält eigene Session, eigene PlaybackOverlay - ChannelScreen instantiates `usePlaybackSession({ active: true })` — owns its own session and PlaybackOverlay
- VOD-Features: Resume, Kapitel-Panel, Position-Tracking - VOD features: resume, chapter panel, position tracking
**2. Globaler AppShell-Overlay** (Direkt-Start, A-Button in BrowseScreen/StreamListScreen/CategoryScreen): **2. Global AppShell overlay** (direct start, A button in BrowseScreen/StreamListScreen/CategoryScreen):
- Nutzer drückt A auf einer Stream-Karte → `onStartLive(ch)` → AppShell ruft `startLive()` direkt auf - User presses A on a stream card → `onStartLive(ch)` → AppShell calls `startLive()` directly
- AppShell instanziiert `usePlaybackSession({ active: !isChannelScreenActive })` — `active` schaltet IPC-Subscription frei - AppShell instantiates `usePlaybackSession({ active: !isChannelScreenActive })` — `active` enables IPC subscription
- Während Playback: `hasFocus={false}` für alle Browse-Screens → keine Tastenkonflikte - During playback: `hasFocus={false}` for all browse screens → no key conflicts
- AppShell-eigener Keydown-Handler: Escape=Stop, Enter=Pause, Pfeile=Seek - AppShell key handler uses `dispatchPlaybackKey()` + `dispatchQualityPanelKey()` from `playbackKeys.ts`
- Nur Live-Streams (kein VOD, kein Resume, kein Position-Tracking) - Live streams only (no VOD, no resume, no position tracking)
### Playback-Architektur (hls.js im Renderer) ### Playback Architecture (hls.js in renderer)
Video läuft als HTML5 `<video>` Element innerhalb des Electron-Fensters — **kein externer mpv-Prozess**. Video runs as an HTML5 `<video>` element inside the Electron window — **no external mpv process**.
**VideoPlayer-Initialisierung (kritisch):** **VideoPlayer initialization (critical order):**
1. `hls.attachMedia(video)` — zuerst Media-Kontext aufbauen 1. `hls.attachMedia(video)` — build the media context first
2. Im `MEDIA_ATTACHED`-Event: `hls.loadSource(hlsUrl)` — dann erst Source laden 2. In the `MEDIA_ATTACHED` event: `hls.loadSource(hlsUrl)` — load the source only then
3. Im `MANIFEST_PARSED`-Event: `video.play()` — jetzt ist MediaSource bereit 3. In the `MANIFEST_PARSED` event: `video.play()` — MediaSource is ready now
- **Reihenfolge wichtig:** `loadSource` vor `attachMedia` → MANIFEST_PARSED feuert bevor MSE bereit → `play()` wirft `NotSupportedError: The element has no supported sources` - **Order matters:** `loadSource` before `attachMedia` → MANIFEST_PARSED fires before MSE is ready → `play()` throws `NotSupportedError: The element has no supported sources`
- **CSP:** `media-src 'self' blob:` in `src/renderer/index.html` — hls.js braucht `blob:` für MediaSource - **CSP:** `media-src 'self' blob:` in `src/renderer/index.html` — hls.js needs `blob:` for MediaSource
**Imperative Handle** — ChannelScreen / AppShell halten `videoRef = useRef<VideoPlayerHandle>()`: **Imperative handle** — ChannelScreen / AppShell hold `videoRef = useRef<VideoPlayerHandle>()`:
- `videoRef.current.seek(delta)` — relativer Seek (Sekunden) - `videoRef.current.seek(delta)` — relative seek (seconds)
- `videoRef.current.seekTo(abs)` — absoluter Seek - `videoRef.current.seekTo(abs)` — absolute seek
- `videoRef.current.pause()` / `.play()` / `.togglePause()` - `videoRef.current.pause()` / `.play()` / `.togglePause()`
- `videoRef.current.stop()` — zerstört hls.js-Instanz, leert `<video>` - `videoRef.current.stop()` — destroys the hls.js instance, clears `<video>`
- `videoRef.current.getCurrentTime()` — aktuell abgespielte Position (synchron) - `videoRef.current.getCurrentTime()` — current playback position (synchronous)
**Warum dieser Ansatz:** Früherer Ansatz mit externem mpv-Fullscreen-Fenster wurde vom OS-Windowmanager (Gamescope auf Steam Deck) immer über das Electron-Fenster gelegt. CSS `z-index` wirkt nur innerhalb eines Dokuments, nicht auf OS-Fensterebene. Die Lösung: Video und Overlay im selben Rendering-Kontext halten. **Why this approach:** The earlier approach with an external mpv fullscreen window was always placed over the Electron window by the OS window manager (Gamescope on Steam Deck). CSS `z-index` only works within a single document, not at the OS window level. The fix: keep video and overlay in the same rendering context.
### Qualitätswahl während Wiedergabe ### Quality Selection During Playback
- **Qualitätswechsel = streamlink-Neustart**: streamlink liefert Single-Bitrate-HLS → hls.js-Level-Switch nicht nutzbar. Wechsel: `videoRef.stop()` → `startLive/startVod(quality)` → neuer `hls-url` Event. - **Quality switch = streamlink restart**: streamlink delivers single-bitrate HLS → hls.js level switch not usable. Switch: `videoRef.stop()` → `startLive/startVod(quality)` → new `hls-url` event.
- **VOD mit Resume**: `getCurrentTime()` vor Stop → als `startSeconds` an neues `startVod()`. - **VOD with resume**: `getCurrentTime()` before stop → passed as `startSeconds` to the new `startVod()`.
- **Qualitätsliste**: asynchron nach Stream-Start via `playback:get-qualities` IPC → `streamlink --json <url>` → `Object.keys(json.streams)`, sortiert: `['best', '1080p60', '720p60', '480p', '360p', '160p', 'audio_only', 'worst']` - **Quality list**: fetched asynchronously after stream start via `playback:get-qualities` IPC → `streamlink --json <url>` → `Object.keys(json.streams)`, sorted: `['best', '1080p60', '720p60', '480p', '360p', '160p', 'audio_only', 'worst']`
- **Session-only**: kein Persistieren in Settings/localStorage. - **Session-only**: not persisted to settings/localStorage.
- **Panel-State im Parent**: `qualityPanelOpen`, `qualityFocusedIndex` in ChannelScreen/AppShell — PlaybackOverlay bekommt Props + Callbacks. - **Panel state in parent**: `qualityPanelOpen`, `qualityFocusedIndex` in ChannelScreen/AppShell — the `QualityPanel` component receives props + callbacks.
- **Key-Handler Priorität**: `qualityPanelOpen`-Block wird VOR allen anderen Keys geprüft und gibt `return` — verhindert Seek/Pause-Konflikte während das Panel offen ist. - **Key handler isolation**: In ChannelScreen the `playback-quality` mode of `useChannelKeyHandler` takes full control; in AppShell `dispatchQualityPanelKey()` from `playbackKeys.ts` handles it — seek/pause conflicts are impossible.
- **X-Taste** öffnet Quality-Panel (Gamepad Button X → `x`-KeyboardEvent). - **X button** opens the quality panel (gamepad button X → `x` keyboard event).
### Kapitel-Panel during Playback ### Chapter Panel During Playback
Wenn der User während der Wiedergabe das Kapitel-Panel öffnet (Y-Taste), läuft das Video **weiter** (nicht pausiert). `PlaybackOverlay` wird per conditional render (`!chapterPanelVod`) ausgeblendet, sodass das Kapitel-Panel sauber über dem Video erscheint. Nach Kapitelwahl: `seekTo(chapter.positionSeconds)` — kein `play()` nötig, da Video bereits läuft. Nach Schließen ohne Auswahl: Panel weg, Video läuft unverändert weiter. Bei leerer Kapitelliste: X-Taste seeked zu `0` (Videoanfang). When the user opens the chapter panel during playback (Y button), the video keeps **playing** (not paused). `PlaybackOverlay` is hidden via conditional render (`!chapterPanelVod`); instead `ChapterPanel` appears with `duringPlayback={true}`. After selecting a chapter: `seekTo(chapter.positionSeconds)` — no `play()` needed since the video is already running. After closing without a selection: panel gone, video continues unchanged. With an empty chapter list: X button seeks to `0` (start of video).
### Gamepad Dual-Path ### Key Handler Architecture (ChannelScreen)
- **Linux/Gaming-Mode:** `src/main/input/gamepadReader.ts` nutzt Linux evdev (`/dev/input/event*`). Erkennung läuft über `/dev/input/js*`-Scan; für jedes js*-Device wird via `/sys/class/input/jsN` das zugehörige `event*`-Device ermittelt und geöffnet. Dadurch werden standardisierte `BTN_*`-Codes gelesen (BTN_NORTH=X, BTN_SOUTH=A usw.) — funktioniert treiber- und controller-unabhängig für Xbox, PlayStation, Nintendo und beliebige USB/Bluetooth-Gamepads. `useChannelKeyHandler` (`src/renderer/src/hooks/useChannelKeyHandler.ts`) encapsulates all keyboard input for ChannelScreen. The hook registers **one** stable `keydown` listener and dispatches based on a `mode` parameter:
- **Windows/Dev:** `src/renderer/src/input/gamepad.ts` nutzt `navigator.getGamepads()` via rAF-Loop
- Beide Pfade erzeugen synthetische `KeyboardEvent('keydown')`. Alle UI-Komponenten reagieren nur auf Key-Events — kein Gamepad-Code in Screens.
- Button-Mapping: A=Enter, B=Escape, X=x, Y=y, LB=l1, RB=r1, LT=l2, RT=r2, DPad=Arrows
- Fallback: Falls `/sys`-Lookup fehlschlägt, öffnet `JoystickFallbackReader` das js*-Device direkt (altes Joystick-API mit festem Button-Nummern-Mapping)
### A-Button-Verhalten je Screen | Mode | Active when |
| Screen | A-Button | X-Button | |---|---|
| `chapter` | Chapter panel is open |
| `playback-quality` | Quality panel is open during playback |
| `playback` | Video is playing, no panel open |
| `hero` | Channel hero is focused (no playback) |
| `shelf` | VOD shelf is focused |
All binding objects are held in a ref — the listener never needs to be re-registered. No stale-closure bugs, no long dependency arrays.
**Shared playback dispatch** (`src/renderer/src/lib/playbackKeys.ts`): `dispatchPlaybackKey()` and `dispatchQualityPanelKey()` are pure functions used both by `useChannelKeyHandler` (ChannelScreen) and directly by AppShell — a single source of truth for playback key bindings in both contexts.
### Gamepad Dual Path
- **Linux/Gaming Mode:** `src/main/input/gamepadReader.ts` uses Linux evdev (`/dev/input/event*`). Discovery scans `/dev/input/js*`; for each js* device the corresponding `event*` device is found via `/sys/class/input/jsN` and opened. This reads standardized `BTN_*` codes (BTN_NORTH=X, BTN_SOUTH=A, etc.) — works driver- and controller-independently for Xbox, PlayStation, Nintendo, and any USB/Bluetooth gamepad.
- **Windows/dev:** `src/renderer/src/input/gamepad.ts` uses `navigator.getGamepads()` via rAF loop
- Both paths produce synthetic `KeyboardEvent('keydown')` events. All UI components respond to key events only — no gamepad code in screens.
- Button mapping: A=Enter, B=Escape, X=x, Y=y, LB=l1, RB=r1, LT=l2, RT=r2, D-Pad=Arrows
- Fallback: if `/sys` lookup fails, `JoystickFallbackReader` opens the js* device directly (legacy joystick API with fixed button number mapping)
### A Button Behavior per Screen
| Screen | A button | X button |
|---|---|---| |---|---|---|
| FollowingScreen | Kanalseite öffnen | — | | FollowingScreen | Open channel page | — |
| BrowseScreen (Shelf) | Stream direkt starten (AppShell-Overlay) | Kanalseite öffnen | | BrowseScreen (shelf) | Start stream directly (AppShell overlay) | Open channel page |
| StreamListScreen | Stream direkt starten (AppShell-Overlay) | Kanalseite öffnen | | StreamListScreen | Start stream directly (AppShell overlay) | Open channel page |
| CategoryScreen | Stream direkt starten (AppShell-Overlay) | Kanalseite öffnen | | CategoryScreen | Start stream directly (AppShell overlay) | Open channel page |
| ChannelScreen | Live-Stream starten / Bestätigen | — | | ChannelScreen | Start live stream / confirm | — |
### VOD vs. Live Playback ### VOD vs. Live Playback
- **Live:** `streamlink --stream-url twitch.tv/<login> <quality>` → HLS-URL → hls.js spielt Live-Playlist nativ - **Live:** `streamlink --stream-url twitch.tv/<login> <quality>` → HLS URL → hls.js plays live playlist natively
- **VOD:** `streamlink --stream-url twitch.tv/videos/<id> <quality>` → HLS-URL → hls.js seeked zu `startPosition` via `video.currentTime` - **VOD:** `streamlink --stream-url twitch.tv/videos/<id> <quality>` → HLS URL → hls.js seeks to `startPosition` via `video.currentTime`
- **Quality-Default:** `'best'` — kein Persistieren, nur Session-State - **Quality default:** `'best'` — not persisted, session state only
- **Resume:** `history.getPosition(vodId)` im Main-Prozess → als `startPosition` im `playback:hls-url` Event → `VideoPlayer` seeked nach MANIFEST_PARSED - **Resume:** `history.getPosition(vodId)` in the main process → as `startPosition` in the `playback:hls-url` event → `VideoPlayer` seeks after MANIFEST_PARSED
### Position-Tracking ### Position Tracking
`VideoPlayer` meldet alle 5s via `window.t4sd.playback.reportPosition(vodId, currentTime, durationSeconds)` → Main → `historyRepo.updatePosition()` + `markCompleted()` (bei >95% Fortschritt). Nur für VODs (nicht Live). `VideoPlayer` reports every 5s via `window.t4sd.playback.reportPosition(vodId, currentTime, durationSeconds)` → main → `historyRepo.updatePosition()` + `markCompleted()` (at >95% progress). VODs only (not live).
### Twitch API ### Twitch API
- Helix REST API für alle Standard-Daten: `https://api.twitch.tv/helix` - Helix REST API for all standard data: `https://api.twitch.tv/helix`
- Twitch GraphQL für Kapitel-Daten (`getVodChapters`): `https://gql.twitch.tv/gql` mit public client-id `kimne78kx3ncx6brgo4mv6wki5h1ko` (kein eigener Token nötig) - Twitch GraphQL for chapter data (`getVodChapters`): `https://gql.twitch.tv/gql` with public client ID `kimne78kx3ncx6brgo4mv6wki5h1ko` (no own token needed)
- Auth-Scope: nur `user:read:follows` - Auth scope: `user:read:follows` only
- `getTopGames()` macht 40 parallele `/streams?game_id=<id>&first=100` Calls zur Zuschauerzahl-Schätzung - `getTopGames()` makes 40 parallel `/streams?game_id=<id>&first=100` calls to estimate viewer counts
### Settings-Persistenz ### Settings Persistence
- UI-Settings (Badge-Mode, Sidebar-Breite, Badge-Gap) → `localStorage` unter Key `t4sd:settings` (kein IPC, kein Flicker beim Start) - UI settings (badge mode, sidebar width, badge gap, HLS cache toggle, file logging toggle) → `localStorage` under key `t4sd:settings` (no IPC, no flicker on startup); changes are mirrored to the main process via IPC (`app:set-hls-cache-enabled`, `app:set-file-logging-enabled`)
- VOD-Verlauf + Resume → SQLite `history.db` in `userData/` - VOD history + resume → SQLite `history.db` in `userData/`
- Twitch-Tokens → Electron `safeStorage` (OS-Keystore), Datei: `userData/twitch-tokens.bin` - Twitch tokens → Electron `safeStorage` (OS keystore), file: `userData/twitch-tokens.bin`
--- ---
## Bekannte Einschränkungen ## Known Limitations
| Problem | Status | Details | | Problem | Status | Details |
|---|---|---| |---|---|---|
| hls.js Performance auf Steam Deck | Ungetestet | Chromiums VA-API Hardware-Decode sollte ausreichen. Falls Dropped Frames bei 1080p60 → Qualitäts-Button im Overlay nutzen (720p60 wählen). | | hls.js performance on Steam Deck | Untested | Chromium's VA-API hardware decode should be sufficient. If dropped frames at 1080p60 → use the quality button in the overlay (select 720p60). |
| Twitch Live-Stream URL-Expiry | Unkritisch | `streamlink --stream-url` Token in URL kann ablaufen. hls.js handelt Playlist-Refresh automatisch; bei Verbindungsabbruch muss neu gestartet werden. | | Twitch live stream URL expiry | Non-critical | `streamlink --stream-url` token in URL can expire. hls.js handles playlist refresh automatically; on connection loss the stream must be restarted. |
| Ad-Bypass | Nicht implementiert | `--twitch-disable-ads` von Streamlink deprecated. Post-MVP. | | Ad bypass | Not implemented | `--twitch-disable-ads` is deprecated in Streamlink. Post-MVP. |
| Flaggen-Emojis auf Windows | Nur Rechtecke | Unicode Regional Indicators brauchen Noto Color Emoji (Linux). Im Dev-Mode ignorieren. | | Flag emojis on Windows | Boxes only | Unicode Regional Indicators require Noto Color Emoji (Linux). Ignore in dev mode. |
| Browser Gamepad API in Gaming Mode | Nicht nutzbar | Steam Input + Flatpak-Sandbox blockiert udev-Events für Chromium. Deshalb evdev direkt im Main-Process. | | Browser Gamepad API in Gaming Mode | Not usable | Steam Input + Flatpak sandbox blocks udev events for Chromium. That is why evdev is read directly in the main process. |
| Bluetooth-Controller-Deduplizierung | Aktiv | Mehrere `/dev/input/js*`-Devices (z.B. Raw-Device + Steam-Virtual-Device) → 40ms-Deduplizierungsfenster in `gamepadReader.ts` | | Bluetooth controller deduplication | Active | Multiple `/dev/input/js*` devices (e.g. raw device + Steam virtual device) → 40ms deduplication window in `gamepadReader.ts` |
| Direkt-Start: kein VOD-Support | By Design | AppShell-Overlay nur für Live-Streams. VODs nur über Kanalseite (ChannelScreen) mit Resume + Kapitel. | | Direct start: no VOD support | By design | AppShell overlay is live streams only. VODs are only available via the channel page (ChannelScreen) with resume + chapters. |
--- ---
## Deployment auf dem Steam Deck ## Deployment on Steam Deck
```bash ```bash
# Auf Steam Deck installieren (einmalig) # Install on Steam Deck (once)
flatpak install --user twitch4steamdeck.flatpak flatpak install --user twitch4steamdeck.flatpak
# Starten # Launch
flatpak run tv.twitch4steamdeck.App flatpak run tv.twitch4steamdeck.App
# Update (Neuinstallation) # Update (reinstall)
flatpak uninstall tv.twitch4steamdeck.App flatpak uninstall tv.twitch4steamdeck.App
flatpak install --user twitch4steamdeck.flatpak flatpak install --user twitch4steamdeck.flatpak
``` ```
Flatpak-Berechtigungen (aus Manifest): `--share=network`, `--socket=x11`, `--socket=pulseaudio`, `--device=all` (GPU + `/dev/input/*`), `--share=ipc`. Flatpak permissions (from manifest): `--share=network`, `--socket=x11`, `--socket=pulseaudio`, `--device=all` (GPU + `/dev/input/*`), `--share=ipc`.
--- ---
## Typische Debugging-Workflows ## Typical Debugging Workflows
### Kein Playback / Video startet nicht ### No playback / video does not start
1. In DevTools (Ctrl+Shift+I im Dev-Mode) Console prüfen — `[VideoPlayer]`-Logs zeigen jeden Schritt 1. Check DevTools console (Ctrl+Shift+I in dev mode) — `[VideoPlayer]` logs show every step
2. `node scripts/test-playback-pipeline.mjs twitch.tv/<kanal>` ausführen — testet streamlink + Manifest + Segment 2. Run `node scripts/test-playback-pipeline.mjs twitch.tv/<channel>` — tests streamlink + manifest + segment
3. `streamlink --stream-url <url> best` manuell ausführen: liefert es eine gültige `https://`-URL? 3. Run `streamlink --stream-url <url> best` manually: does it return a valid `https://` URL?
4. CSP-Fehler? → `src/renderer/index.html` prüfen: `media-src 'self' blob:` muss vorhanden sein 4. CSP error? → check `src/renderer/index.html`: `media-src 'self' blob:` must be present
5. CORS-Fehler? → `session.defaultSession.webRequest` in `index.ts` prüfen 5. CORS error? → check `session.defaultSession.webRequest` in `index.ts`
### VideoPlayer-Diagnose (DevTools Console) ### VideoPlayer diagnostics (DevTools console)
Beim Start erscheinen diese Logs (alle mit `[VideoPlayer]`-Prefix): These logs appear on startup (all with `[VideoPlayer]` prefix):
- `Hls.isSupported: true` — hls.js kann MSE nutzen - `Hls.isSupported: true` — hls.js can use MSE
- `attachMedia aufgerufen` — MediaSource wird aufgebaut - `attachMedia called` — MediaSource is being built
- `MEDIA_ATTACHED — lade Source` — MediaSource bereit, Manifest wird geladen - `MEDIA_ATTACHED — loading source` — MediaSource ready, manifest is being loaded
- `MANIFEST_PARSED — readyState: X networkState: Y` — Manifest geladen, play() wird aufgerufen - `MANIFEST_PARSED — readyState: X networkState: Y` — manifest loaded, play() is called
- `play() erfolgreich` — Video läuft - `play() succeeded` — video is running
### VOD startet an falscher Position ### VOD starts at wrong position
1. `startPosition` im `playback:hls-url` Event korrekt? In `PlaybackService.startVod()` prüfen 1. Is `startPosition` correct in the `playback:hls-url` event? Check `PlaybackService.startVod()`
2. hls.js seeked in `MANIFEST_PARSED`-Handler: `video.currentTime = startPosition` 2. hls.js seeks in the `MANIFEST_PARSED` handler: `video.currentTime = startPosition`
### Gamepad-Eingaben kommen nicht an (Steam Deck) ### Gamepad inputs not received (Steam Deck)
1. `gamepadReader.ts` scannt `/dev/input/js*` — prüfen ob js-Device vorhanden (`ls /dev/input/js*`) 1. `gamepadReader.ts` scans `/dev/input/js*` — check if js device is present (`ls /dev/input/js*`)
2. Für jedes js-Device wird via `/sys/class/input/jsN` ein evdev-Device (`event*`) gesucht — Log `[gamepad] geöffnet (evdev): /dev/input/js0 → /dev/input/event4` zeigt ob das funktioniert 2. For each js device, an evdev device (`event*`) is looked up via `/sys/class/input/jsN` — log `[gamepad] opened (evdev): /dev/input/js0 → /dev/input/event4` shows whether this worked
3. Deduplizierungs-Fenster: 40ms — bei Doppel-Inputs `DUPLICATE_EVENT_WINDOW_MS` erhöhen 3. Deduplication window: 40ms — increase `DUPLICATE_EVENT_WINDOW_MS` for double inputs
4. Axis-Mapping: DPad ist ABS_HAT0X/Y (code 16/17), Stick ist ABS_X/Y (code 0/1, threshold 16384) 4. Axis mapping: D-pad is ABS_HAT0X/Y (code 16/17), stick is ABS_X/Y (code 0/1, threshold 16384)
### IPC-Channel fehlt / unbekannt ### IPC channel missing / unknown
Prüfen: `handlers.ts` (Main), `preload/index.ts` (Bridge), `t4sd.d.ts` (Renderer-Typen) — alle drei müssen übereinstimmen. Check: `channels.ts` (channel constant), `handlers.ts` (main), `preload/index.ts` (bridge), `t4sd.d.ts` (renderer types) — all four must be consistent.
### TypeScript-Fehler ### TypeScript errors
```bash ```bash
npm run typecheck npm run typecheck
``` ```
Zwei unabhängige tsconfig: `tsconfig.node.json` (Main+Preload) und `tsconfig.web.json` (Renderer). Two independent tsconfigs: `tsconfig.node.json` (main + preload) and `tsconfig.web.json` (renderer).
README.md
+12
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@@ -40,6 +40,7 @@ Twitch client for the Steam Deck with Big-Screen UI, full gamepad control, and V
- **VOD History** — Local SQLite database with playback history and progress - **VOD History** — Local SQLite database with playback history and progress
- **Hardware Decoding** — GPU-accelerated video via Chromium's built-in VA-API on Steam Deck - **Hardware Decoding** — GPU-accelerated video via Chromium's built-in VA-API on Steam Deck
- **Quit Dialog** — Confirm quit via Xbox/Start button - **Quit Dialog** — Confirm quit via Xbox/Start button
- **Logout Confirmation** — Confirmation dialog before logging out
## Architecture ## Architecture
@@ -51,10 +52,15 @@ Electron (Main Process)
├── Gamepad -- Linux evdev (/dev/input/event*), discovered via js*, BTN_* codes ├── Gamepad -- Linux evdev (/dev/input/event*), discovered via js*, BTN_* codes
└── History -- SQLite (better-sqlite3) for VOD history + resume └── History -- SQLite (better-sqlite3) for VOD history + resume
Shared (src/shared/)
└── Types -- Shared types between main and renderer (PlaybackEvent, HlsUrlPayload, …)
Electron (Renderer) Electron (Renderer)
├── React UI -- Screens: Login, Following, Browse, Category, Channel, ├── React UI -- Screens: Login, Following, Browse, Category, Channel,
│ StreamList (DE/EN), Settings, Account │ StreamList (DE/EN), Settings, Account
├── VideoPlayer -- hls.js <video> wrapper (forwardRef, imperative handle) ├── VideoPlayer -- hls.js <video> wrapper (forwardRef, imperative handle)
├── ChapterPanel -- Chapter selection panel (during playback or VOD start)
├── QualityPanel -- Quality selection panel
└── AppShell -- Global playback overlay for direct stream start └── AppShell -- Global playback overlay for direct stream start
``` ```
@@ -212,6 +218,7 @@ The script handles automatically:
- **VOD-Verlauf** — Lokale SQLite-Datenbank mit Wiedergabe-Historie und Fortschritt - **VOD-Verlauf** — Lokale SQLite-Datenbank mit Wiedergabe-Historie und Fortschritt
- **Hardware-Decoding** — GPU-beschleunigte Videowiedergabe ueber Chromiums eingebaute VA-API auf dem Steam Deck - **Hardware-Decoding** — GPU-beschleunigte Videowiedergabe ueber Chromiums eingebaute VA-API auf dem Steam Deck
- **Quit-Dialog** — Beenden per Xbox/Start-Button bestaetigen - **Quit-Dialog** — Beenden per Xbox/Start-Button bestaetigen
- **Logout-Bestaetigung** — Bestaedigungsdialog vor dem Abmelden
## Architektur ## Architektur
@@ -223,10 +230,15 @@ Electron (Main Process)
├── Gamepad -- Linux evdev (/dev/input/event*), via js* erkannt, BTN_*-Codes ├── Gamepad -- Linux evdev (/dev/input/event*), via js* erkannt, BTN_*-Codes
└── History -- SQLite (better-sqlite3) fuer VOD-Verlauf + Resume └── History -- SQLite (better-sqlite3) fuer VOD-Verlauf + Resume
Geteilt (src/shared/)
└── Types -- Geteilte Typen zwischen Main und Renderer (PlaybackEvent, HlsUrlPayload, …)
Electron (Renderer) Electron (Renderer)
├── React UI -- Screens: Login, Following, Browse, Category, Channel, ├── React UI -- Screens: Login, Following, Browse, Category, Channel,
│ StreamList (DE/EN), Settings, Account │ StreamList (DE/EN), Settings, Account
├── VideoPlayer -- hls.js <video> Wrapper (forwardRef, imperative handle) ├── VideoPlayer -- hls.js <video> Wrapper (forwardRef, imperative handle)
├── ChapterPanel -- Kapitel-Auswahl-Panel (waehrend Wiedergabe oder VOD-Start)
├── QualityPanel -- Qualitaets-Auswahl-Panel
└── AppShell -- Globaler Playback-Overlay fuer Direkt-Stream-Start └── AppShell -- Globaler Playback-Overlay fuer Direkt-Stream-Start
``` ```