feat(browser): include SDK metadata in rules requests

Author: sameerank

packages/browser/src/transport/fetchConfiguration.ts

@@ -65,6 +65,11 @@ export function buildConfigurationUrl(options: ConfigurationFetchOptions, endpoi
   }
 
   url.searchParams.set('dd_env', options.env || '')
+  if (endpoint === 'rules') {
+    for (const [name, value] of Object.entries(sourcePayload)) {
+      url.searchParams.set(name, value)
+    }
+  }
   return url
 }
 

packages/browser/test/transport/fetchConfiguration.spec.ts

@@ -384,7 +384,7 @@ describe('createFlagsConfigurationFetcher', () => {
       )
     })
 
-    it('decodes a rules configuration response', async () => {
+    it('decodes a rules configuration response and includes source query parameters', async () => {
       const bytes = Uint8Array.from(Buffer.from(rulesWire.rules.response, 'base64'))
       mockFetch.mockResolvedValue({
         ok: true,
@@ -400,7 +400,7 @@ describe('createFlagsConfigurationFetcher', () => {
         response: { environmentName: 'prod' },
       })
       expect(mockFetch).toHaveBeenCalledWith(
-        'https://proxy.example.com/?dd_env=test',
+        'https://proxy.example.com/?dd_env=test&sdk_name=browser&sdk_version=1.0.0-test',
         expect.objectContaining({
           method: 'GET',
           headers: {