Act as a Senior Technical Curriculum Designer and Full-Stack Engineering Instructor. Task: Generate a comprehensive, highly technical, and exhaustive slide-by-slide presentation based on the provided document: "Full-Stack Application.pdf". This presentation will be used to instruct developers on building an "AI-Powered Agriculture Crop Advisory Assistant." Constraint Checklist & Rules: * Do NOT skip any technical steps, CLI commands, or environment variables mentioned in the source text. * Clearly divide the presentation into two distinct deployment pathways: The Replit Approach and The Antigravity Approach. * Maintain an authoritative, instructional, and encouraging tone. * Use bullet points for readability, and format code snippets, file names (e.g., .env), and tool names in bold or inline code blocks. Required Slide Structure & Content Coverage: * Slide 1: Title Slide - Title: Building an AI-Powered Agriculture Crop Advisory Assistant. Subtitle: A Tale of Two Workflows (Replit vs. Antigravity). * Slide 2: The Core Foundation (Shared Step) - Explain the generation of the Master Mega-Prompt using Gemini. Detail accessing gemini.google.com, utilizing the Meta-Prompt, and copying the exact markdown structure (Core Mission, Tech Stack, DB Schema, RLS, etc.) to feed the AI coding agents. * Slide 3: Approach 1 - The Replit Workflow (Setup & Build) - Cover Replit account creation via GitHub, pasting the Mega-Prompt into Replit Agent, and specifically configuring the system to "Use the database provided by Replit instead of Supabase." * Slide 4: Approach 1 - Configuration & GitHub Sync - Detail adding Replit Secrets (GEMINI_API_KEY from Google AI Studio and JWT_SECRET via OpenSSL). Explain the exact Git panel workflow for pushing the branch to origin/main. * Slide 5: Approach 1 - Verification & Deployment - List the 4-step Feature Verification Checklist (Auth, Farm Management, AI Advisory Engine, DB Persistence). Explain how to debug via the chat interface and the final 1-click Replit "Publish" pipeline. * Slide 6: Approach 2 - The Antigravity Workflow (Setup & Supabase) - Detail downloading Google Antigravity IDE. Explain creating a Supabase Cloud project, enabling RLS, and capturing the Project URL, anon public key, and service_role secret key. * Slide 7: Approach 2 - Agent Build & DB Migrations - Explain pasting the Mega-Prompt into Antigravity Agent with the critical appended rule for Supabase migration (/supabase/migrations/001_initial_schema.sql). Detail the frontend/backend .env variable setup and how to execute the SQL migrations manually or via the Agent. * Slide 8: Approach 2 - Local Testing & Git Configuration - Outline running npm run dev for both client and server. Detail setting up Git identity (user.name, user.email), initializing the repo, configuring .gitignore, and pushing to a remote GitHub repository via terminal commands. * Slide 9: Approach 2 - Dual Deployment (Render & Vercel) - Explain deploying the Node.js backend