Simplify: Remove cargo-watch from Docker dev build

cargo-watch dependencies require Rust 1.85+ and edition2024.
For development, we can simply use 'cargo run' which works fine.
The server can be restarted with docker compose restart.

thoughts/test-docker-build.sh

@@ -1,41 +1,25 @@
 #!/bin/bash
 set -e
 
-echo "🧪 Testing Docker build with cargo-watch 8.4.0..."
-echo ""
-
+echo "🔧 Cleaning up old containers..."
 cd backend
-
-echo "📋 Step 1: Clean up old containers and images..."
 docker compose -f docker-compose.dev.yml down 2>/dev/null || true
-docker rmi normogen-backend-dev 2>/dev/null || true
-echo "✓ Cleanup complete"
-echo ""
 
-echo "📋 Step 2: Building Docker image (this will take a few minutes)..."
+echo "🗑️  Removing old image..."
+docker rmi normogen-backend-dev 2>/dev/null || true
+
+echo "🏗️  Building Docker image (this may take a few minutes)..."
 docker compose -f docker-compose.dev.yml build --no-cache
 
-echo ""
-echo "✓ Build complete!"
-echo ""
-
-echo "📋 Step 3: Starting services..."
+echo "🚀 Starting services..."
 docker compose -f docker-compose.dev.yml up -d
 
-echo ""
-echo "📋 Step 4: Waiting for services to be ready..."
+echo "⏳ Waiting for server to be ready..."
 sleep 5
 
-echo ""
-echo "📋 Step 5: Checking service status..."
+echo "📊 Container status:"
 docker compose -f docker-compose.dev.yml ps
 
 echo ""
-echo "📋 Step 6: Showing backend logs..."
-docker compose -f docker-compose.dev.yml logs --tail=20 backend
-
-echo ""
-echo "✅ Done! Server should be running on http://localhost:6800"
-echo ""
-echo "To view logs: docker compose -f docker-compose.dev.yml logs -f backend"
-echo "To stop: docker compose -f docker-compose.dev.yml down"
+echo "📋 Server logs (ctrl+c to exit):"
+docker compose -f docker-compose.dev.yml logs -f backend