Game Activity

Status: Active Last updated: 2026-07-05

Overview

"Now playing" game detection: Electron foreground-window/process heuristics, RAWG metadata match via signaling server, and P2P game-activity broadcast to peers. Shown on profile cards and room sidebars.

Responsibilities

Layer	Owns
`game-activity` domain	Scan loop, confidence scoring, P2P broadcast, user store updates
Electron IPC	`get-running-process-names`, `get-active-game-candidate`
Signaling server	`POST /api/games/match` (RAWG proxy + miss cache)
P2P	`game-activity` data-channel event

Server API

`POST /api/games/match`

Auth: Public
Body: { processNames: string[], candidates?: { processName, score }[] } (bounded list sizes)
Response: { game: MatchedGame | null } — RAWG-backed title, cover art, store links

Misses cached in server SQLite (GameMatchMiss) to limit API calls.

Client detection

Periodic scan (default 10 s, configurable 5–60 s in localStorage metoyou_game_scan_interval_ms).
Ignores launcher/helper processes via IGNORED_PROCESS_NAMES and regex patterns.
Electron: suppresses scan when MetoYou window is focused; prefers foreground-window candidate from get-active-game-candidate.
Browser/Capacitor: no process scan — activity only from P2P peers.

P2P event

{ "type": "game-activity", "activity": { "game", "startedAt", "processName", ... } }

Peers merge into User.gameActivity in NgRx store.

signaling.md — not WS-relayed
server-directory.md — API base URL for match endpoint
Domain README: toju-app/src/app/domains/game-activity/README.md

Changelog

Date	Change
2026-07-05	Initial cross-context game-activity contract

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