Extend leading ~ to the user's home directory in work-dir specs

run-exp.py

@@ -109,7 +109,7 @@ class Task:
         parameters = data.get("parameters", [])
 
         if "work-dir" in data:
-            work_dir = pathlib.Path(data["work-dir"])
+            work_dir = pathlib.Path(data["work-dir"]).expanduser()
         else:
             work_dir = pathlib.Path.cwd()