docs: vehicle cache env vars and logs endpoint

README.md

@@ -73,11 +73,17 @@ The server serves `/health`
 locally and only proxies the API routes used by the app:
 
 - `GET /api/tss/leaderboard/teams?limit=1..100`
+- `GET /api/tss/games/recent?limit=1..100`
+- `GET /api/tss/games/:session_id?lang=...`
+- `GET /api/tss/games/:session_id/logs`
 - `GET /api/tss/teams/resolve?name=...`
 - `GET /api/tss/teams/:team`
 - `GET /api/tss/teams/:team/history`
 - `GET /api/tss/teams/:team/games`
 
+Vehicle icon PNGs are served statically at `/vehicle-icons` from `VEHICLE_ICONS_DIR`
+(populated at deploy from `SHARED/ICONS/VEHICLES`).
+
 The proxy blocks cross-origin/API-navigation requests, strips CORS headers from
 the upstream response, rate limits callers, and caches successful GET responses
 briefly so public page traffic does not hammer the upstream API. All responses