ref(node): Add mechanism to errors captured via connect and koa integrations (#17579)

Adds mechanism following the trace origin naming scheme

closes #17261
ref: #17212

Author: Lms24

dev-packages/e2e-tests/test-applications/node-connect/tests/errors.test.ts

@@ -11,7 +11,13 @@ test('Sends correct error event', async ({ baseURL }) => {
   const errorEvent = await errorEventPromise;
 
   expect(errorEvent.exception?.values).toHaveLength(1);
-  expect(errorEvent.exception?.values?.[0]?.value).toBe('This is an exception');
+  const exception = errorEvent.exception?.values?.[0];
+  expect(exception?.value).toBe('This is an exception');
+
+  expect(exception?.mechanism).toEqual({
+    type: 'auto.middleware.connect',
+    handled: false,
+  });
 
   expect(errorEvent.request).toEqual({
     method: 'GET',

dev-packages/e2e-tests/test-applications/node-koa/tests/errors.test.ts

@@ -11,7 +11,13 @@ test('Sends correct error event', async ({ baseURL }) => {
   const errorEvent = await errorEventPromise;
 
   expect(errorEvent.exception?.values).toHaveLength(1);
-  expect(errorEvent.exception?.values?.[0]?.value).toBe('This is an exception with id 123');
+  const exception = errorEvent.exception?.values?.[0];
+
+  expect(exception?.value).toBe('This is an exception with id 123');
+  expect(exception?.mechanism).toEqual({
+    type: 'auto.middleware.koa',
+    handled: false,
+  });
 
   expect(errorEvent.request).toEqual({
     method: 'GET',

packages/node/src/integrations/tracing/connect.ts

@@ -48,7 +48,12 @@ export const connectIntegration = defineIntegration(_connectIntegration);
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 function connectErrorMiddleware(err: any, req: any, res: any, next: any): void {
-  captureException(err);
+  captureException(err, {
+    mechanism: {
+      handled: false,
+      type: 'auto.middleware.connect',
+    },
+  });
   next(err);
 }
 

packages/node/src/integrations/tracing/koa.ts

@@ -134,7 +134,12 @@ export const setupKoaErrorHandler = (app: { use: (arg0: (ctx: any, next: any) =>
     try {
       await next();
     } catch (error) {
-      captureException(error);
+      captureException(error, {
+        mechanism: {
+          handled: false,
+          type: 'auto.middleware.koa',
+        },
+      });
       throw error;
     }
   });