fix: install essential dependencies only for blockchain node

- Skip root package installation due to incompatible dependencies
- Install only essential blockchain-node dependencies directly
- Fix tenseal>=0.3.0 dependency resolution error

scripts/deployment/deploy-integrated-blockchain-node.sh

@@ -94,15 +94,9 @@ setup_python_environment() {
     # Activate virtual environment
     source venv/bin/activate
     
-    # Install dependencies from root pyproject.toml
-    if [ -f "pyproject.toml" ]; then
-        log_info "Installing dependencies from root pyproject.toml"
-        pip install -e .
-    else
-        log_error "No pyproject.toml found in root"
-        deactivate
-        exit 1
-    fi
+    # Install essential blockchain-node dependencies
+    log_info "Installing essential dependencies"
+    pip install pydantic pydantic-settings fastapi uvicorn sqlalchemy sqlmodel psycopg2-binary aiosqlite httpx redis
     
     # Install blockchain-node package in editable mode
     if [ -f "apps/blockchain-node/pyproject.toml" ]; then