Running LLM Classification After the Response: Next.js after() + OpenRouter at $0.0002 per Call

Platform: DEV.to (also cross-posted to Hashnode with canonical_url set to the DEV URL) Language: en Audience: Next.js / TypeScript / LLM developers building production features Angle: Implementation and design decisions. Shows real code from a production codebase. Suggested cover asset: topics/blog/external/assets/043-dev-llm-classification-pipeline.png (Gemini prompt at the bottom) Primary CTA: Related deep-dives on DEV (MCP orchestration, MCP safety levels) + formlova.com signup I've been b...