fix tests failure

apps/api/src/swagger/openapi.ts

@@ -1,5 +1,7 @@
 import { zodToJsonSchema } from 'zod-to-json-schema'
 
+type JsonObject = Record<string, unknown>
+
 // ── Vehicles ─────────────────────────────────────────────────────────────────
 import {
   vehicleSchema,
@@ -60,34 +62,37 @@ import { renterUpdateSchema, renterFcmTokenSchema } from '../modules/auth/auth.r
 
 // ─────────────────────────────────────────────────────────────────────────────
 
-function s(schema: Parameters<typeof zodToJsonSchema>[0]): Record<string, unknown> {
-  const { $schema, ...rest } = zodToJsonSchema(schema, { target: 'openApi3' }) as Record<string, unknown>
+function s(schema: unknown): JsonObject {
+  const { $schema, ...rest } = zodToJsonSchema(
+    schema as Parameters<typeof zodToJsonSchema>[0],
+    { target: 'openApi3' },
+  ) as JsonObject
   return rest
 }
 
-const idPath = (name = 'id') => ({
+const idPath = (name = 'id'): JsonObject => ({
   name,
   in: 'path' as const,
   required: true,
   schema: { type: 'string' },
 })
 
-const pagingParams = [
+const pagingParams: JsonObject[] = [
   { name: 'page',     in: 'query', schema: { type: 'integer', default: 1 } },
   { name: 'pageSize', in: 'query', schema: { type: 'integer', default: 20 } },
 ]
 
-const jsonBody = (ref: string) => ({
+const jsonBody = (ref: string): JsonObject => ({
   required: true,
   content: { 'application/json': { schema: { $ref: ref } } },
 })
 
-const ok   = { description: 'Success' }
-const err4 = { description: 'Validation error', content: { 'application/json': { schema: { type: 'object', properties: { error: { type: 'string' } } } } } }
-const err401 = { description: 'Unauthorized' }
-const err404 = { description: 'Not found' }
+const ok: JsonObject = { description: 'Success' }
+const err4: JsonObject = { description: 'Validation error', content: { 'application/json': { schema: { type: 'object', properties: { error: { type: 'string' } } } } } }
+const err401: JsonObject = { description: 'Unauthorized' }
+const err404: JsonObject = { description: 'Not found' }
 
-export const openApiDocument = {
+export const openApiDocument: JsonObject = {
   openapi: '3.0.3',
   info: {
     title: 'RentalDriveGo API',