normaliztion fix

core/tools/normalize.py

@@ -0,0 +1,20 @@
+# core/tools/normalize.py
+
+from __future__ import annotations
+
+def normalize_tool_name(name: str) -> str:
+    """
+    Converts transport-layer tool names (Continue MCP)
+    into internal registry tool names.
+    """
+
+    if not isinstance(name, str):
+        raise ValueError("tool name must be string")
+
+    name = name.strip()
+
+    # Continue MCP prefix stripping
+    if name.startswith("vs_code_mcp_"):
+        return name[len("vs_code_mcp_"):]
+
+    return name