feat: update dependencies and improve development commands in Justfile

justfile

@@ -22,7 +22,7 @@ setup-rust-tools:
     @echo "📦 Installing Rust dependencies..."
     cargo fetch
     @echo "🔧 Installing cargo tools..."
-    cargo install --locked
+    cargo install --locked cargo-watch sea-orm-cli 2>/dev/null || true
 
 # Setup frontend dependencies
 setup-frontend:
@@ -43,13 +43,17 @@ dev:
 # Start Rust backend with hot reload
 dev-backend:
     @echo "🔧 Starting Rust backend..."
-    cargo watch -x run
+    cargo watch --ignore frontend --ignore migration -x 'run --bin nxmesh-master'
+
+dev-api: dev-backend
 
 # Start Vite frontend development server
 dev-frontend:
     @echo "⚛️ Starting Vite frontend..."
     cd frontend && bun dev
 
+dev-ui: dev-frontend
+
 # Start services (called by devcontainer post-start)
 start-services:
     @echo "🔧 Ensuring services are ready..."