Build Basic AI Tutor / Q&A Chatbot

.env.example

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+# API Configuration
+VITE_API_URL=http://localhost:3000/api
+
+# Note: The API key is configured in the backend (server/.env)
+# Frontend doesn't need direct access to the AI API

.gitignore

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+# ==================================
+# 🔒 Lovable AI Tutor - .gitignore
+# ==================================
+
+# ==================================
+# Environment Variables (CRITICAL!)
+# ==================================
+.env
+.env.local
+.env.development
+.env.test
+.env.production
+.env.*.local
+server/.env
+server/.env.*
+
+# API Keys and Secrets (NEVER COMMIT!)
+*.key
+*.pem
+*.p12
+secrets/
+config/secrets.json
+
+# ==================================
+# Dependencies
+# ==================================
+node_modules/
+bower_components/
+jspm_packages/
+vendor/
+
+# ==================================
+# Build Output
+# ==================================
+dist/
+dist-ssr/
+build/
+out/
+.next/
+.nuxt/
+.cache/
+.parcel-cache/
+.vite/
+.output/
+*.tsbuildinfo
+
+# ==================================
+# Logs
+# ==================================
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+*.log.*
+
+# ==================================
+# Testing
+# ==================================
+coverage/
+*.lcov
+.nyc_output/
+test-results/
+playwright-report/
+.pytest_cache/
+__pycache__/
+
+# ==================================
+# OS Files
+# ==================================
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+desktop.ini
+
+# ==================================
+# Editor & IDE
+# ==================================
+.vscode/*
+!.vscode/extensions.json
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+.idea/
+*.swp
+*.swo
+*.swn
+*~
+.project
+.classpath
+.settings/
+*.sublime-workspace
+*.sublime-project
+
+# ==================================
+# Temporary Files
+# ==================================
+*.tmp
+*.temp
+*.bak
+*.backup
+*.old
+*.orig
+*.rej
+*.cache
+.temp/
+tmp/
+
+# ==================================
+# Package Manager
+# ==================================
+package-lock.json
+yarn.lock
+pnpm-lock.yaml
+.pnpm-store/
+.yarn/
+.pnp.*
+
+# ==================================
+# Development
+# ==================================
+*.local
+.vite-inspect/
+.eslintcache
+.stylelintcache
+
+# ==================================
+# Production
+# ==================================
+*.production
+.vercel
+.netlify
+
+==================================
+Documentation (Optional)
+==================================
+Uncomment if you want to ignore certain docs
+docs/draft/
+*.draft.md
+
+==================================
+Project Specific
+==================================
+Add any project-specific ignores here