Initial commit: deliver-file skill, t3-deliver, sync script

bin/t3-deliver

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+# Print a ready-to-paste scp command for pulling a file from this host
+# to the user's Windows machine over Tailscale SSH.
+set -euo pipefail
+
+HOST="vasily@msi.tail0b014a.ts.net"
+
+if [[ $# -ne 1 ]]; then
+  echo "usage: t3-deliver <file-or-directory>" >&2
+  exit 1
+fi
+
+path="$1"
+if [[ ! -e "$path" ]]; then
+  echo "t3-deliver: no such path: $path" >&2
+  exit 1
+fi
+
+if [[ "$path" != /* ]]; then
+  path="$(realpath "$path")"
+else
+  path="$(realpath -m "$path")"
+fi
+
+flags=""
+if [[ -d "$path" ]]; then
+  flags="-r "
+fi
+
+echo "Paste in cmd or PowerShell on your Windows machine:"
+echo
+echo "${flags}scp ${HOST}:\"${path}\" ."