v1.2.0

Changelog

• c52104d Add rm to remove remote file(s)
• 435b39d Add file transfer: ls, get, put over the filesystem app (phase 1)
• d831a67 Batch command requests (count=N) and use it for multi-file rm
• 9c36969 File transfer: make '/' and '' interchangeable on Windows remotes
• bbc98ac Phase 2A: recursive get and rm (Walk over the tree, batched)
• 088f2b6 Phase 2B: recursive upload (put -r)
• d980ab4 Phase 2C: one-way sync (size+mtime) with dry-run
• 94aa89b README/help: reference the Commands table instead of enumerating reserved names
• 602752a README: reflect that file transfer (ls/get/put/rm) already works
• 942b8c8 README: trim the redundant feature/roadmap line from the Why section
• ff36468 Serialize the command channel per session (like the official client)
• 316dce8 files: root-relative remote paths, Windows '/' masks the drive list
• aa222c2 sync: add --checksum (SHA-256 content comparison)
• 5b1a643 sync: add --delete (remove destination entries missing from the source)