Telegram Industry Expert AI Assistant

I need a Telegram-based AI assistant that can act as a true subject-matter expert. The core idea is simple: we will feed it a large, well-structured document set from whichever industry offers the richest material, then let the bot do the heavy lifting. While the sector itself can be decided once I see which corpus is most complete, the bot must speak fluently about Artificial Intelligence concepts in particular, as that will be a recurring theme in user queries.

Once deployed the assistant should:
• read and index every document I supply (PDFs, Word files, web links, internal wikis)
• answer ad-hoc questions instantly, citing sources
• provide actionable recommendations where appropriate
• deliver concise summaries of lengthy texts on request

I expect a smooth user experience inside Telegram: natural conversation, inline replies, and threaded follow-ups. Technically, you are free to use OpenAI, Claude, or another LLM, so long as retrieval-augmented generation keeps answers grounded in my data. Python or Node.js, LangChain, and a vector store such as Pinecone or Weaviate all fit well here, but I am open to equivalent stacks.

Deliverables
1. Fully functional Telegram bot deployed to my server
2. Ingestion pipeline with clear instructions so I can add new documents myself
3. Brief user guide plus setup notes

Acceptance is complete when the bot can handle a ten-document pilot set, return accurate answers, recommendations, and bullet-point summaries, and preserve source traces for every response.