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Build a production-ready AI-powered Social Media Manager that generates platform-specific posts, captions, and hashtags from a single content brief. You will architect and implement a full-stack application using Next.js for the frontend, FastAPI for the backend, LangChain for AI orchestration, OpenAI as the language model provider, Pinecone as the vector store for brand context retrieval, and Tailwind CSS for styling. By the end of this course, you will have a fully deployed