fix: type errors the merged batches brought

The name step reused one variable for paths and for (path, md5, size)
tuples, the standalone copies reused targets inside its own loop, and
the WSL state read as object. Ten baseline entries no longer occur.

scripts/generate_pack.py

@@ -4065,16 +4065,16 @@ def _profile_copies(
                 continue
             source = held[0]
             where = PurePosixPath(standalone)
-            targets: dict[str, list[str]] = {}
+            placed: dict[str, list[str]] = {}
             for system, root in roots.items():
                 sep = "\\" if system == "windows" else "/"
                 target = root if str(where.parent) == "." else (
                     root + sep + str(where.parent).replace("/", sep))
                 if not covered(system, target, where.name):
-                    targets[system] = [target]
-            if not targets:
+                    placed[system] = [target]
+            if not placed:
                 continue
-            copy = {"file": source, "targets": targets}
+            copy = {"file": source, "targets": placed}
             if where.name != PurePosixPath(source).name:
                 copy["as"] = where.name
             copies.append(copy)