fix(tools): Windows builds when paths contain spaces (prefix_map, ldgen, CI)

- Harden prefix_map.cmake for paths with spaces on Windows

- ldgen: fragments-list-file, list normalization, CMake integration (tools/cmake + cmakev2)

- CI exclude list for check_tools; test_spaces bundle tweak

Made-with: Cursor

tools/ldgen/ldgen.py

@@ -144,6 +144,12 @@ def main():
         '--fragments-list', help='Input fragment files as a semicolon-separated list', type=str
     )
 
+    fragments_group.add_argument(
+        '--fragments-list-file',
+        type=argparse.FileType('r'),
+        help='File containing fragment file paths, one per line',
+    )
+
     argparser.add_argument(
         '--libraries-file', type=argparse.FileType('r'), help='File that contains the list of libraries in the build'
     )
@@ -201,6 +207,8 @@ def main():
     fragment_files = []
     if args.fragments_list:
         fragment_files = args.fragments_list.split(';')
+    elif args.fragments_list_file:
+        fragment_files = [line.strip() for line in args.fragments_list_file if line.strip()]
     elif args.fragments:
         fragment_files = args.fragments