Krishi Sahayak v2.0.0

🌾 Krishi Sahayak v2.0.0 — Major Release

A complete rewrite of the AI Agriculture Assistant, built from the ground up with modern tools, a stunning UI, and powerful new capabilities.

✨ What's New

• 📸 Image-Based Crop Diagnosis — Upload a photo and get instant AI analysis of diseases, pests, and nutrient deficiencies using the Llama 4 Scout vision model.
• 🎙️ Groq TTS — Natural-sounding voice output via Groq Orpheus (replaced gTTS).
• 🗣️ Groq STT — Speech-to-text via Groq Whisper for English, Hindi, and Hinglish (replaced HuggingFace).
• ⚡ Prompt Caching — Automatic caching on Groq for faster responses and 50% cost savings.
• 💡 In-Memory Fallback — Conversation memory works even without Redis (Redis is now optional).
• 🎨 Glassmorphism UI — Frosted glass panels, backdrop blur, and gradient mesh background.
• 🌗 Dark/Light Theme Toggle — One-click switch with localStorage persistence.
• 🖼️ Image Preview — Upload button with thumbnail preview before sending.
• 📊 Cache Badge — Shows hit rate on bot messages.
• 🧹 Post-Processing Sanitizer — Strips markdown formatting from LLM output for clean text.
• 🔍 SEO Package — robots.txt, sitemap.xml, llms.txt, Open Graph, Twitter Cards, JSON-LD.
• 🐳 Deployment Ready — Dockerfile, render.yaml, gunicorn.conf.py for Render/Docker.
• 📋 .env.example — Template for quick setup.
• 📦 uv Support — Full dependency management via pyproject.toml.

🔧 Changes

• Migrated from monolithic app.py to class-based app/ package structure.
• Replaced openai SDK with groq SDK for all LLM interactions.
• Replaced LangChain wrapper with direct Groq SDK calls.
• System prompt rewritten with XML + Chain-of-Thought (CoT) format.
• Response length increased — more thorough, actionable answers.
• UI completely redesigned (Bootstrap 5 → custom glassmorphism).

🗑️ Removed

• asgi.py — no longer using uvicorn (Flask dev server).
• gTTS dependency — replaced by Groq Orpheus TTS.
• langchain / langchain-groq dependencies — replaced by direct Groq SDK.
• openai dependency — replaced by Groq SDK.

🐛 Fixed

• Model no longer generates markdown (**bold**) — stronger prompt + post-processing strip.
• Redis connection failure no longer breaks the app — graceful in-memory fallback.

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Live Demo → llm-agri-bot.onrender.com

Built with ❤️ for Indian farmers. Ask anything about crops, pests, soil, weather, and government schemes.