feat: bot file transfer, mobile file download, and relay server improvements#100
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GCWing merged 2 commits intoGCWing:mainfrom Mar 9, 2026
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March 9, 2026 20:59
…vements ## Bot file transfer (Feishu + Telegram) - Extract `computer://` links from AI responses and offer download buttons - Feishu: upload files via IM file API (≤30MB), send as file messages - Telegram: send files via sendDocument API (≤30MB), inline keyboard buttons - Shared utilities in bot/mod.rs: resolve_workspace_path, read_workspace_file, detect_mime_type, extract_computer_file_paths, format_file_size - ForwardedTurnResult replaces plain String to carry both display_text and full_text for link extraction - pending_files map on BotChatState for download token management - Auto-inherit desktop workspace when bot session has none - Graceful stop signal (watch channel) for bot pairing loops ## Remote server file commands - Add ReadFile, ReadFileChunk, GetFileInfo commands - Chunked transfer with 3MB raw chunks (4MB base64) for large files - Terminal pre-warming for remote sessions (avoids 30s shell readiness wait) - Increase broadcast channel buffer from 256 to 1024 - accumulated_text() accessor on RemoteSessionStateTracker ## Mobile web file download - FileCard component renders `computer://` links as interactive cards with name, size, and download progress indicator - MarkdownContent: custom `a` renderer for computer:// links + urlTransform to preserve the protocol - RemoteSessionManager: readFile() with chunked transfer + progress callback, getFileInfo() for metadata-only queries - Download triggers browser save dialog via blob URL ## Relay server deployment - Standalone Dockerfile (no workspace dependency, Rust 1.85) - Simplified docker-compose.yml (Caddy commented out) - Add remote-deploy.sh for SSH-based deployment from dev machine - Updated README with local vs remote deploy instructions - WS max_frame_size and max_write_buffer_size set to 64MB - Relay client WebSocket config with matching 64MB limits ## Terminal & input fixes - Fix pty_to_session mapping race: retry lookup for non-Data events - Accept Starting session status when shell integration reaches Prompt - RichTextInput: fix IME composition handling for Safari (delayed clear) - Mobile ChatPage: IME compositionStart/End guards on textarea - Improved scroll behavior: only auto-scroll when near bottom - useLayoutEffect for initial scroll to prevent flash - Theme switching: CSS transition class instead of opacity crossfade - index.html: inline script reads saved theme before first paint - Navigation animations: iOS-style full-width slide with z-index layering Made-with: Cursor
- Keep our delayed isComposingRef clear (Safari fix) while preserving upstream's onCompositionEnd callback propagation Made-with: Cursor
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Summary
computer://links in AI responses, present download buttons, and transfer workspace files to users (Feishu IM file API / Telegram sendDocument, ≤30MB).computer://links in chat messages render as interactive FileCard components with file metadata, progress bar, and browser save-as download via chunked transfer (3MB chunks).remote-deploy.shfor SSH-based deployment, WebSocket 64MB limits across relay server and client.Changes
Bot File Transfer
bot/mod.rs: Shared utilities —resolve_workspace_path,read_workspace_file,detect_mime_type,extract_computer_file_paths,format_file_size,WorkspaceFileContentbot/feishu.rs:upload_file_to_feishu,send_file_to_feishu_chat,notify_files_ready,handle_download_request; graceful stop signal for pairing loopbot/telegram.rs:send_message_with_keyboard,send_file_as_document,notify_files_ready,handle_download_request,download_photo(image support); inline keyboard buttons;send_handle_resultwithclean_reply_textbot/command_router.rs:ForwardedTurnResultstruct; auto-inherit workspace; updatedexecute_forwarded_turnto return full_text for link extractionRemote Server
remote_server.rs:ReadFile,ReadFileChunk,GetFileInfocommands; terminal pre-warming; broadcast buffer 256→1024;accumulated_text()accessorrelay_client.rs: WebSocket config with 64MB limitsmod.rs: Graceful stop signal for bot pairing; race guard on bot_connected_infoMobile Web
ChatPage.tsx:FileCardcomponent with chunked download + progress;MarkdownContentcustomarenderer; IME composition guards;useLayoutEffectinitial scroll; near-bottom auto-scroll logicRemoteSessionManager.ts:readFile()chunked transfer,getFileInfo()ThemeProvider.tsx: CSS transition class approach;commitThemeDOM; pre-cached CSSindex.html: Inline theme script before first paintglobal.scss: iOS-style navigation animations with z-index layering;theme-switchingclassRelay Server Deployment
Dockerfile(Rust 1.85, no workspace)docker-compose.yml: Caddy commented out,room-webvolumeremote-deploy.sh: SSH-based deployment scriptdeploy.sh: Stop old containers before rebuildREADME.md: Local vs remote deploy docsFixes
terminal/session/manager.rs: Retry pty_to_session lookup for non-Data events; acceptStartingsession statusRichTextInput.tsx: Safari IME fix (delayedisComposingRefclear)max_frame_size/max_write_buffer_size64MBTest Plan
computer://link → user taps download button → file delivered to chatcomputer://link → FileCard renders with name/size → tap to download → progress bar → browser save dialogbash deploy.shlocal deploy works;bash remote-deploy.sh <host>SSH deploy worksMade with Cursor