began to go through the files and organize imports and gui_2.py's new context defs

still a bunch to sift through after the last ai passes

src/file_cache.py

@@ -34,13 +34,16 @@ See Also:
  - docs/guide_tools.md for AST tool documentation
  - src/summarize.py for heuristic summaries
 """
-from pathlib import Path
-from typing import Optional, Any, List, Tuple, Dict
+import re
 import tree_sitter
 import tree_sitter_python
 import tree_sitter_cpp
 import tree_sitter_c
-import re
+
+# TODO(Ed): Eliminate these?
+from pathlib import Path
+from typing  import Optional, Any, List, Tuple, Dict
+
 
 _ast_cache: Dict[str, Tuple[float, tree_sitter.Tree]] = {}