fix(core): recognize per-request MCP HTTP transport

Co-Authored-By: GPT-6 (Codex) <codex@openai.com>

Author: betegon

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

@@ -258,6 +258,7 @@ export function getTransportTypes(transport: MCPTransport): {
     'StreamableHTTPServerTransport',
     'NodeStreamableHTTPServerTransport',
     'WebStandardStreamableHTTPServerTransport',
+    'PerRequestHTTPServerTransport',
     'SSEServerTransport',
   ].includes(transportName);
 

packages/core/test/lib/integrations/mcp-server/networkAttributes.test.ts

@@ -3,6 +3,17 @@ import { buildTransportAttributes } from '../../../../src/integrations/mcp-serve
 import { createMockStdioTransport, createMockTransport } from './testUtils';
 
 describe('MCP network attributes', () => {
+  it('identifies per-request HTTP without request metadata', () => {
+    const transport = createMockTransport();
+    Object.defineProperty(transport, 'constructor', { value: { name: 'PerRequestHTTPServerTransport' } });
+
+    expect(buildTransportAttributes(transport)).toEqual({
+      'mcp.transport': 'PerRequestHTTPServerTransport',
+      'mcp.session.id': 'test-session-123',
+      'network.protocol.name': 'http',
+    });
+  });
+
   it('does not report JSON-RPC as a network protocol for stdio', () => {
     const attributes = buildTransportAttributes(createMockStdioTransport());