feat: add node extraction scripts and Docker setup for n8n modules

scripts/extract-nodes-docker.sh

@@ -0,0 +1,116 @@
+#!/bin/bash
+set -e
+
+echo "🐳 n8n Node Extraction via Docker"
+echo "================================="
+
+# Colors for output
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+RED='\033[0;31m'
+NC='\033[0m' # No Color
+
+# Function to print colored output
+print_status() {
+    echo -e "${GREEN}[$(date +'%H:%M:%S')]${NC} $1"
+}
+
+print_warning() {
+    echo -e "${YELLOW}[$(date +'%H:%M:%S')]${NC} ⚠️  $1"
+}
+
+print_error() {
+    echo -e "${RED}[$(date +'%H:%M:%S')]${NC} ❌ $1"
+}
+
+# Check if Docker is running
+if ! docker info > /dev/null 2>&1; then
+    print_error "Docker is not running. Please start Docker and try again."
+    exit 1
+fi
+
+print_status "Docker is running ✅"
+
+# Clean up any existing containers
+print_status "Cleaning up existing containers..."
+docker-compose -f docker-compose.extract.yml down -v 2>/dev/null || true
+
+# Build the project first
+print_status "Building the project..."
+npm run build
+
+# Start the extraction process
+print_status "Starting n8n container to extract latest nodes..."
+docker-compose -f docker-compose.extract.yml up -d n8n-latest
+
+# Wait for n8n container to be healthy
+print_status "Waiting for n8n container to initialize..."
+ATTEMPTS=0
+MAX_ATTEMPTS=60
+
+while [ $ATTEMPTS -lt $MAX_ATTEMPTS ]; do
+    if docker-compose -f docker-compose.extract.yml ps | grep -q "healthy"; then
+        print_status "n8n container is ready ✅"
+        break
+    fi
+    
+    ATTEMPTS=$((ATTEMPTS + 1))
+    echo -n "."
+    sleep 2
+done
+
+if [ $ATTEMPTS -eq $MAX_ATTEMPTS ]; then
+    print_error "n8n container failed to become healthy"
+    docker-compose -f docker-compose.extract.yml logs n8n-latest
+    docker-compose -f docker-compose.extract.yml down -v
+    exit 1
+fi
+
+# Run the extraction
+print_status "Running node extraction..."
+docker-compose -f docker-compose.extract.yml run --rm node-extractor
+
+# Check the results
+print_status "Checking extraction results..."
+if [ -f "./data/nodes-fresh.db" ]; then
+    NODE_COUNT=$(sqlite3 ./data/nodes-fresh.db "SELECT COUNT(*) FROM nodes;" 2>/dev/null || echo "0")
+    IF_VERSION=$(sqlite3 ./data/nodes-fresh.db "SELECT version FROM nodes WHERE name='n8n-nodes-base.If' LIMIT 1;" 2>/dev/null || echo "not found")
+    
+    print_status "Extracted $NODE_COUNT nodes"
+    print_status "If node version: $IF_VERSION"
+    
+    # Check if we got the If node source code and look for version
+    IF_SOURCE=$(sqlite3 ./data/nodes-fresh.db "SELECT source_code FROM nodes WHERE name='n8n-nodes-base.If' LIMIT 1;" 2>/dev/null || echo "")
+    if [[ $IF_SOURCE =~ version:[[:space:]]*([0-9]+) ]]; then
+        IF_CODE_VERSION="${BASH_REMATCH[1]}"
+        print_status "If node version from source code: v$IF_CODE_VERSION"
+        
+        if [ "$IF_CODE_VERSION" -ge "2" ]; then
+            print_status "✅ Successfully extracted latest If node (v$IF_CODE_VERSION)!"
+        else
+            print_warning "If node is still v$IF_CODE_VERSION, expected v2 or higher"
+        fi
+    fi
+else
+    print_error "Database file not found after extraction"
+fi
+
+# Clean up
+print_status "Cleaning up Docker containers..."
+docker-compose -f docker-compose.extract.yml down -v
+
+print_status "✨ Extraction complete!"
+
+# Offer to restart the MCP server
+echo ""
+read -p "Would you like to restart the MCP server with the new nodes? (y/n) " -n 1 -r
+echo ""
+if [[ $REPLY =~ ^[Yy]$ ]]; then
+    print_status "Restarting MCP server..."
+    # Kill any existing server process
+    pkill -f "node.*dist/index.js" || true
+    
+    # Start the server
+    npm start &
+    print_status "MCP server restarted with fresh node database"
+fi