Additional rooms:
- Store tracks customRooms per networkId; createRoom action slugifies and
deduplicates, switches active room on creation
- Sidebar: + button next to Rooms label opens an inline input; Escape
dismisses; Enter creates the room
Per-network share directories:
- Store tracks sharedFilesByNetwork keyed by networkId instead of a single
global map; setSharedFiles(files, networkId?) defaults to activeNetworkId
- FolderPicker reads per-network map to display accurate file count label
File transfer UX:
- Incoming file-offer now emits pending_offer instead of auto-accepting;
user sees Accept / Reject buttons in the sidebar Transfers section
- Progress events emitted per chunk during receive; Transfers panel shows
a live progress bar with received/total sizes
- file-cancel protocol message: sender or receiver can cancel an in-flight
transfer; DataChannel is closed and buffers discarded
- PeerConn: acceptOffer(), rejectOffer(), cancelRecv(), cancelSend()
- BrowserAdapter: acceptOffer(), rejectOffer(), cancelTransfer()
- Store: pendingOffers, fileProgress, acceptOffer, rejectOffer, cancelTransfer
- Transfers component renders in sidebar; auto-hides when no activity
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>