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Wake lock persistence, button reposition, docs, dev LAN support

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Wake lock (Prevent Sleep) toggles now persist across reloads via
localStorage in both AdminView and DisplayView. Buttons repositioned
inline in AdminView campaigns header bar (was floating overlay causing
overlap on tablets). DisplayView buttons persist localStorage too.

Wake lock acquire failure now shows toast with fix hint (HTTPS or
Chrome flag). Fullscreenchange listener re-acquires wake lock (Android
discards on screen off).

dev-start.sh: auto-detects LAN IP (en0/en1), frontend binds 0.0.0.0,
backend URL inlined as LAN IP so phones reach backend. DANGEROUSLY_DISABLE_HOST_CHECK
for LAN access. Outputs LAN URL + wake lock flag instructions.

Docs: README 'Prevent Sleep (Wake Lock)' section covering secure context
requirement, Android Chrome flag workaround for LAN testing, iOS Safari
standalone PWA bug. DEVELOPMENT.md LAN access + wake lock note.
This commit is contained in:
david raistrick
2026-07-08 13:19:10 -04:00
parent 863e8b3719
commit 41c1e48874
5 changed files with 130 additions and 6 deletions
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scripts/dev-start.sh
+13 -3
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@@ -27,11 +27,15 @@ fi
# frontend: server storage, :3999
if ! lsof -ti :3999 >/dev/null 2>&1; then
echo "starting frontend :3999..."
# detect LAN ip so other devices (phones) can reach backend
LAN_IP=$(ipconfig getifaddr en0 2>/dev/null || ipconfig getifaddr en1 2>/dev/null || echo 127.0.0.1)
echo "starting frontend :3999 (lan ip: $LAN_IP)..."
NODE_ENV=development REACT_APP_DEV_TOOLS=1 \
REACT_APP_STORAGE=server \
REACT_APP_BACKEND_URL=http://127.0.0.1:4001 \
REACT_APP_BACKEND_REALTIME_URL=ws://127.0.0.1:4001/ws \
REACT_APP_BACKEND_URL=http://${LAN_IP}:4001 \
REACT_APP_BACKEND_REALTIME_URL=ws://${LAN_IP}:4001/ws \
DANGEROUSLY_DISABLE_HOST_CHECK=true \
HOST=0.0.0.0 \
BROWSER=none PORT=3999 \
nohup npm start > tmp/fe.log 2>&1 &
echo $! > tmp/fe.pid
@@ -51,5 +55,11 @@ done
echo ""
echo "backend : http://127.0.0.1:4001 (curl http://127.0.0.1:4001/health)"
echo "frontend : http://127.0.0.1:3999 (admin / player /display)"
echo "lan url : http://${LAN_IP}:3999 (phones/other devices on network)"
echo "logs : tmp/server.log tmp/fe.log"
echo "stop : ./scripts/dev-stop.sh"
echo ""
echo "NOTE: Prevent Sleep (wake lock) requires secure context (HTTPS/localhost)."
echo " LAN IP (http) won't work unless Android Chrome flag set:"
echo " chrome://flags/#unsafely-treat-insecure-origin-as-secure"
echo " Add: http://${LAN_IP}:3999 (include port)"