fixes

mcp_codebase.py

@@ -1,7 +1,7 @@
 import os
 import signal
 import json
-import ast
+
 import re
 import subprocess
 import logging
@@ -1551,6 +1551,9 @@ def parse_rust_file_cached(filepath_str: str, file_hash: str) -> tuple:
     # `tools/src/target/release/rust_parser` – it is *always* shipped
     # with the release.
     rust_helper = Path("./tools/src/target/release/rust_parser")
+    if not rust_helper.is_file():
+        logger.warning(f"Rust parser binary not found: {rust_helper}. Skipping Rust file {filepath}")
+        return tuple()
 
     # Always use the helper; if it is missing, the whole Rust parsing
     # step will simply return an empty tuple, which is the safest
@@ -1561,14 +1564,7 @@ def parse_rust_file_cached(filepath_str: str, file_hash: str) -> tuple:
         code = filepath.read_text(encoding="utf-8")
         lines = code.splitlines(keepends=True)
 
-        # Capture the import paths for each file – they are specific to the file
-        # and will be attached to every chunk emitted for this file.
-        import_paths = []
-        for node in ast.walk(tree):
-            if isinstance(node, ItemUse):
-                import_paths.append(use_tree_to_string(node.tree))
 
-        metadata["imports"] = import_paths
 
         # Run the Rust binary.
         proc = subprocess.run(