fix(amplitude): default the saved credential's data residency to us

Author: waleedlatif1

apps/sim/lib/credentials/service-account-secret.test.ts

@@ -927,6 +927,23 @@ describe('a token provider whose region or host defaults to the one it always us
     })
   })
 
+  it.each([
+    [undefined, 'https://amplitude.com/api/2/events/list', 'us'],
+    ['eu', 'https://analytics.eu.amplitude.com/api/2/events/list', 'eu'],
+  ])(
+    'checks an Amplitude project with residency %s at %s and stores it as %s',
+    async (domain, url, stored) => {
+      const result = await verifyAndBuildServiceAccountSecret('amplitude-service-account', {
+        apiToken: 'secret-1',
+        providerWorkspaceId: 'api-key-1',
+        ...(domain === undefined ? {} : { domain }),
+      })
+
+      expect(requestedUrl()).toBe(url)
+      expect(JSON.parse(result.encryptedServiceAccountKey)).toMatchObject({ domain: stored })
+    }
+  )
+
   it.each([
     ['launchdarkly-service-account', 'LaunchDarkly'],
     ['langsmith-service-account', 'LangSmith'],

apps/sim/lib/credentials/token-service-accounts/descriptors.ts

@@ -2643,13 +2643,14 @@ export const TOKEN_SERVICE_ACCOUNT_DESCRIPTORS: Record<
         label: 'Data residency',
         placeholder: 'us or eu',
         secret: false,
+        defaultValue: 'us',
         hintPattern: /^(us|eu|US|EU)$/,
         hintMessage: 'Enter us or eu, the region your Amplitude project stores data in.',
       },
     ],
     docsUrl: 'https://docs.sim.ai/integrations/amplitude',
     helpText:
-      "In Amplitude, open Settings > Projects, choose the project, and copy the API key and secret key from its General tab. Enter eu only for a project hosted in Amplitude's EU data center.",
+      "In Amplitude, open Settings > Projects, choose the project, and copy the API key and secret key from its General tab. Change the data residency to eu only for a project hosted in Amplitude's EU data center.",
     invalidCredentialsHelp:
       'Amplitude rejected this API key and secret key. Check that both come from the same project, and that the data residency matches the region the project is hosted in.',
   },