fix: eslint/prettier formatting and type-only imports

- Use type-only import for HttpContext in exceptions/handler.ts
- Use #services alias instead of relative path in device_record.ts
- Reformat api_key_middleware and cwmp_logger_middleware per prettier

app/middleware/api_key_middleware.ts

@@ -24,8 +24,7 @@ export default class ApiKeyMiddleware {
     const expected = Buffer.from(expectedKey)
 
     // Lengths must match and content must match in constant time
-    const valid =
-      provided.length === expected.length && timingSafeEqual(provided, expected)
+    const valid = provided.length === expected.length && timingSafeEqual(provided, expected)
 
     if (!valid) {
       return response.status(401).send('Unauthorized: invalid or missing X-Api-Key header')