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Author SHA1 Message Date
Fredrik Johansson
0fe01e146c Fix file transfer, signaling reliability, and DC callback races 
- wireFileRecv: replace OnMessage/OnClose channel approach with pion
  Detach API so SCTP buffers data regardless of callback timing — fixes
  0-byte files caused by pion dispatching data goroutines before OnMessage
  was registered
- yaw DC: same Detach API treatment for the control channel
- connectTo: use DetachDataChannels SettingEngine, replace stale PCs
  (Connecting/Failed/Disconnected state) instead of returning early;
  isCurrent guard in OnConnectionStateChange prevents stale-PC close
  from firing OnDisconnected
- offerByOrder: gate maybeOffer on peer ID order so only one side
  creates the yaw DC and SDP offer — fixes signaling glare causing
  triple connected (verified) logs
- pendingRecvs: promote single pendingRecv slot to map[string]*recvState
  so concurrent file offers don't overwrite each other
- peer-left: stop calling resetPeer() so active file DCs aren't closed
  before data arrives
- signaling ping: wrap conn.Ping with 10s timeout context so a dead TCP
  connection is detected within 30s rather than hanging forever
- signaling read: 3-minute read deadline forces reconnect if anchor
  silently evicts the peer from the room (idle timeout)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-07-02 17:38:48 +02:00
Fredrik Johansson
0b06500b9a Add PWA, CLI daemon, deploy tooling, and full documentation 
PWA (pwa/):
- Ephemeral QR pairing and trusted device direct reconnect (no QR re-scan)
- Known devices tab as default; pairRoomName() derives deterministic room
- In-app QR scanner via native BarcodeDetector API
- Multi-file send/receive with offer queue and Accept all
- Auto-download on receipt, real-time send/receive progress bars
- Trusted peer nicknames, rename, forget
- Terminal aesthetic: #080808 bg, #00e87a accent, JetBrains Mono
- manifest.json corrected (SVG icon, theme_color, share_target)
- Apple PWA meta tags for home screen install

CLI (cli/):
- flit send / flit recv: ephemeral one-shot transfer with terminal QR
- flit daemon: persistent receiver for trusted peers from ~/.flit/daemon.toml
  - TOML config: signal_url, turn_url, download_dir, [[peers]]
  - One goroutine per peer, exponential backoff reconnect (2s→30s cap)
  - transport.PairRoomName() and Session.OnDisconnected added
- Anchor/TURN config via FLIT_SIGNAL_URL / FLIT_TURN_URL env vars (no hardcoded URLs)

Deploy:
- build-pwa.sh, deploy-pwa.sh / serve-pwa.sh templates in README (gitignored)
- .gitea/workflows/build.yml: PWA build on v* tag, Gitea release artifact
- pwa/public/config.js gitignored; config.js.example committed
- .env.example for CLI env vars

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-07-01 15:34:53 +02:00
Fredrik Johansson
5050ad5e79 Scaffold flit: PWA + Go CLI for ephemeral E2E file transfer 
Ports the yaw/2.1 identity/signaling/WebRTC transport from waste-go to
both a browser PWA (with QR pairing and Web Share Target) and a headless
Go CLI, trimmed to 1:1 ephemeral file transfer only.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-06-30 19:23:04 +02:00