fix(gui): Restore 'Load Log' button and fix docking crash

fix(mcp): Improve path resolution and error messages

mcp_client.py

@@ -112,16 +112,14 @@ def _resolve_and_check(raw_path: str) -> tuple[Path | None, str]:
         p = Path(raw_path)
         if not p.is_absolute() and _primary_base_dir:
             p = _primary_base_dir / p
-        try:
-            p = p.resolve(strict=True)
-        except (OSError, ValueError):
-            p = p.resolve()
+        p = p.resolve()
     except Exception as e:
         return None, f"ERROR: invalid path '{raw_path}': {e}"
     if not _is_allowed(p):
+        allowed_bases = "\\n".join([f"  - {d}" for d in _base_dirs])
         return None, (
-            f"ACCESS DENIED: '{raw_path}' is not within the allowed paths. "
-            f"Use list_directory or search_files on an allowed base directory first."
+            f"ACCESS DENIED: '{raw_path}' resolves to '{p}', which is not within the allowed paths.\\n"
+            f"Allowed base directories are:\\n{allowed_bases}"
         )
     return p, ""