chore: import upstream snapshot with attribution

apps/sim/lib/api/contracts/tools/servicenow.ts

@@ -0,0 +1,25 @@
+import { z } from 'zod'
+import { defineRouteContract } from '@/lib/api/contracts/types'
+import { RawFileInputSchema } from '@/lib/uploads/utils/file-schemas'
+
+export const servicenowUploadAttachmentBodySchema = z.object({
+  instanceUrl: z.string().min(1, 'Instance URL is required'),
+  username: z.string().min(1, 'Username is required'),
+  password: z.string().min(1, 'Password is required'),
+  tableName: z.string().min(1, 'Table name is required'),
+  recordSysId: z.string().min(1, 'Record sys_id is required'),
+  fileName: z.string().min(1, 'File name is required'),
+  file: RawFileInputSchema.optional().nullable(),
+})
+
+export type ServiceNowUploadAttachmentBody = z.input<typeof servicenowUploadAttachmentBodySchema>
+
+// untyped-response: ServiceNow returns arbitrary attachment metadata wrapped in a success envelope
+const servicenowToolResponseSchema = z.unknown()
+
+export const servicenowUploadAttachmentContract = defineRouteContract({
+  method: 'POST',
+  path: '/api/tools/servicenow/upload-attachment',
+  body: servicenowUploadAttachmentBodySchema,
+  response: { mode: 'json', schema: servicenowToolResponseSchema },
+})