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/summarize.py

@@ -24,12 +24,16 @@ context block that replaces full file contents in the initial <context> send.
 """
 import ast
 import re
+
 from pathlib import Path
-from typing import Callable, Any
+from typing  import Callable, Any
+
 from src.summary_cache import SummaryCache, get_file_hash
 
+
 _summary_cache = SummaryCache()
 
+
 # ------------------------------------------------------------------ per-type extractors
 
 def _summarise_python(path: Path, content: str) -> str: