chore: import upstream snapshot with attribution

apps/sim/tools/google_ads/list_customers.ts

@@ -0,0 +1,84 @@
+import type {
+  GoogleAdsListCustomersParams,
+  GoogleAdsListCustomersResponse,
+} from '@/tools/google_ads/types'
+import type { ToolConfig } from '@/tools/types'
+
+export const googleAdsListCustomersTool: ToolConfig<
+  GoogleAdsListCustomersParams,
+  GoogleAdsListCustomersResponse
+> = {
+  id: 'google_ads_list_customers',
+  name: 'List Google Ads Customers',
+  description: 'List all Google Ads customer accounts accessible by the authenticated user',
+  version: '1.0.0',
+
+  oauth: {
+    required: true,
+    provider: 'google-ads',
+  },
+
+  params: {
+    accessToken: {
+      type: 'string',
+      required: true,
+      visibility: 'hidden',
+      description: 'OAuth access token for the Google Ads API',
+    },
+    developerToken: {
+      type: 'string',
+      required: true,
+      visibility: 'user-only',
+      description: 'Google Ads API developer token',
+    },
+  },
+
+  request: {
+    url: 'https://googleads.googleapis.com/v24/customers:listAccessibleCustomers',
+    method: 'GET',
+    headers: (params) => ({
+      Authorization: `Bearer ${params.accessToken}`,
+      'developer-token': params.developerToken,
+    }),
+  },
+
+  transformResponse: async (response: Response) => {
+    const data = await response.json()
+
+    if (!response.ok) {
+      const errorMessage =
+        data?.error?.message ?? data?.error?.details?.[0]?.errors?.[0]?.message ?? 'Unknown error'
+      return {
+        success: false,
+        output: { customerIds: [], totalCount: 0 },
+        error: errorMessage,
+      }
+    }
+
+    const resourceNames: string[] = data.resourceNames ?? []
+    const customerIds = resourceNames.map((rn: string) => rn.replace('customers/', ''))
+
+    return {
+      success: true,
+      output: {
+        customerIds,
+        totalCount: customerIds.length,
+      },
+    }
+  },
+
+  outputs: {
+    customerIds: {
+      type: 'array',
+      description: 'List of accessible customer IDs',
+      items: {
+        type: 'string',
+        description: 'Google Ads customer ID (numeric, no dashes)',
+      },
+    },
+    totalCount: {
+      type: 'number',
+      description: 'Total number of accessible customer accounts',
+    },
+  },
+}