Update redeploy script and enhance documentation

- Improved `redeploy-ubuntu.sh` with additional error handling and user feedback.
- Updated `REDEPLOY_GUIDE.md` to clarify the redeployment process and include new troubleshooting tips.
- Made structural enhancements to deployment documentation for better accessibility and navigation.
- Adjusted `redeploy-hint.md` to align with recent automation changes.

fix-installation.sh

@@ -0,0 +1,86 @@
+#!/bin/bash
+
+###############################################################################
+# Скрипт быстрого исправления установки
+###############################################################################
+
+set -e
+
+echo "=========================================="
+echo "Fixing AI Review Installation"
+echo "=========================================="
+echo ""
+
+INSTALL_DIR="$HOME/code-review-agent"
+cd "$INSTALL_DIR"
+
+# 1. Создать Python virtual environment
+echo "[1/5] Создание Python virtual environment..."
+cd backend
+python3 -m venv venv
+source venv/bin/activate
+echo "✓ venv создан"
+echo ""
+
+# 2. Установить Python зависимости
+echo "[2/5] Установка Python зависимостей..."
+pip install --upgrade pip > /dev/null
+pip install -r requirements.txt > /dev/null
+echo "✓ Python зависимости установлены"
+echo ""
+
+# 3. Создать базу данных
+echo "[3/5] Создание базы данных..."
+python migrate.py
+echo "✓ База данных создана"
+echo ""
+
+# 4. Установить Node.js зависимости и собрать frontend
+echo "[4/5] Сборка frontend..."
+cd ../frontend
+
+# Проверить наличие Node.js
+if ! command -v node &> /dev/null; then
+    echo "ERROR: Node.js не установлен!"
+    echo "Установите: curl -fsSL https://deb.nodesource.com/setup_18.x | sudo -E bash - && sudo apt-get install -y nodejs"
+    exit 1
+fi
+
+# Создать .env.production
+cat > .env.production << 'EOF'
+VITE_API_URL=/api
+VITE_WS_URL=
+EOF
+
+npm install > /dev/null 2>&1
+npm run build
+echo "✓ Frontend собран"
+echo ""
+
+# 5. Проверить результат
+echo "[5/5] Проверка..."
+cd ..
+
+echo "Backend venv: $([ -d backend/venv ] && echo '✓ OK' || echo '✗ MISSING')"
+echo "Backend DB: $([ -f backend/review.db ] && echo '✓ OK' || echo '✗ MISSING')"
+echo "Frontend build: $([ -d backend/public ] && echo '✓ OK' || echo '✗ MISSING')"
+echo ""
+
+if [ -d backend/venv ] && [ -f backend/review.db ] && [ -d backend/public ]; then
+    echo "=========================================="
+    echo "✓ Installation fixed successfully!"
+    echo "=========================================="
+    echo ""
+    echo "Now run:"
+    echo "  sudo systemctl restart ai-review"
+    echo "  sudo systemctl status ai-review"
+    echo ""
+    echo "Or start manually:"
+    echo "  cd $INSTALL_DIR/backend"
+    echo "  source venv/bin/activate"
+    echo "  uvicorn app.main:app --host 0.0.0.0 --port 8000"
+else
+    echo "ERROR: Something is still missing!"
+    exit 1
+fi
+