- Delete unused OpenAI WAF bypass client block (60+ lines) from both monolith and microservice llmModerationClient.ts - Replace OpenAI.Chat.Completions.ChatCompletion with type-only ChatCompletion import from openai/resources/chat/completions - All LLM chat calls already go through centralized llmClient.ts helper Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>