RAG Chatbot with Supabase + TogetherAI + Openrouter

⚠️ RUN the FIRST WORKFLOW ONLY ONCE (as it will convert your content in Embedding format and save it in DB and is ready for the RAG Chat) 📌 Telegram Trigger Type: telegramTrigger Purpose: Waits for new Telegram messages to trigger the workflow. Note: Currently disabled. 📄 Content for the Training Type: googleDocs Purpose: Fetches document content from Google Docs using its URL. Details: Uses Service Account authentication. ✂️ Splitting into Chunks Type: code Purpose: Splits the fetched document text into smaller chunks (1000 chars each) for processing. Logic: Loops over text and slices it. 🧠 Embedding Uploaded Document Type: httpRequest Purpose: Calls Together AI embedding API to get vect

Help me set up the n8n workflow "RAG Chatbot with Supabase + TogetherAI + Openrouter" (https://n8n.io/workflows/5680). It uses: HTTP Request, Google Docs, Supabase, Code, Basic LLM Chain, OpenRouter Chat Model. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.