Update app.py

app.py

@@ -400,24 +400,19 @@ Title = "# PG-ATLAS - POWERGRID - AI Technical Library & Assistance System"
 Description = """
 ## Welcome to the AI-Powered Search Engine
 ### Model Technical Specifications | Engineering — Substation Department
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 This intelligent assistant leverages **Large Language Model (LLM)** technology to provide precise, context-aware answers directly from POWERGRID's official documentation.
 
 **Document Coverage:**
 * 📑 Model Technical Specifications — Engineering (Substation) Department, POWERGRID
 * ⚡ Applicable to AIS/GIS Substations up to **765kV**
 * 🔄 Updated to the latest revision as on 03-May-2026.
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 **Guidelines for Effective Use:**
 * Frame queries with **specific equipment names** and **voltage class** (e.g., *765kV GIS Circuit Breaker*, *400kV Surge Arrester*, *220kV Isolator*)
 * Include **clause keywords** for targeted retrieval (e.g., *type test*, *insulation level*, *earthing*, *interpole cabling*)
 * For comparative queries, specify the parameter of interest (e.g., *rated current*, *BIL*, *SF₆ gas pressure*)
 * Clear the chat session if responses appear off-context or drift from the query intent
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 > ⚠️ *Responses are strictly based on the provided documentation. Always verify critical design parameters against the original Model TS before application.*
 """