refactor(mcp-server): Remove patch references from baseline implementation

The defensive programming patterns are now the correct baseline
implementation, not patches to be applied.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: codyde

packages/core/src/integrations/mcp-server/attributeExtraction.ts

@@ -269,7 +269,7 @@ export function buildTransportAttributes(
   transport: MCPTransport,
   extra?: ExtraHandlerData,
 ): Record<string, string | number> {
-  // PATCHED: Gracefully handle undefined sessionId during MCP initialization
+  // Gracefully handle undefined sessionId during MCP initialization
   // Respects client-provided sessions and waits for proper session establishment
   const sessionId = transport && 'sessionId' in transport ? transport.sessionId : undefined;