Pasting or dropping OS files into a remote project tree sent a client-local source path to the server, so nothing was copied. Local-source imports are now carried separately from project copies and uploaded over the session SFTP channel: streamed in bounded chunks, created exclusively, cancellable across all selected paths under one task, with partial files removed on failure. Symlinks and Unix file modes are preserved, and special files are skipped and reported. Project-internal paste keeps working when the OS clipboard is briefly unavailable.
Native drop positions were assumed to be physical pixels, which shifted the target far from the pointer on Retina displays and with IDE zoom. A shared helper converts them to CSS coordinates for the project tree, the editor and Markdown drop handling, and the agent composer. Composer image drops are now read on the client in remote windows.
Verified on macOS against a live SSH host. Windows and Linux were not run: the Windows conversion is unchanged, the Linux one changed. Copy out from a remote tree to the local machine still needs a download workflow.
Deployment only supported SFTP, so a web root on the same machine or on a mounted share still needed an SSH server.
Servers now have a type: SFTP or Local or mounted folder. A local server has a folder and optional web URL and shares upload on save, upload and download, delete, compare and sync, excludes, mappings and the Remote Host view with SFTP through one backend filesystem. Copies never read the whole file into memory, a file is never copied onto itself, and Test Connection checks the folder exists and is writable. Existing servers stay SFTP.
Fixes#467