Log MCPServer handler exceptions by kind and keep crash details off the wire (#3314)

Co-authored-by: Marcelo Trylesinski <marcelotryle@gmail.com>

docs_src/handling_errors/tutorial004.py

@@ -0,0 +1,11 @@
+from mcp.server import MCPServer
+
+mcp = MCPServer("Bookshop")
+
+CATALOG = {"Dune": "Frank Herbert", "Neuromancer": "William Gibson"}
+
+
+@mcp.tool()
+def get_author(title: str) -> str:
+    """Look up the author of a book in the catalog."""
+    return CATALOG[title]