Reduce npm install verbosity with --loglevel=error --no-audit

Suppress npm deprecation warnings and security audit reports.
These flags reduce output noise while preserving actual errors.
Audit reports aren't actionable for test-only dependencies.

Author: cderv

.github/workflows/test-smokes.yml

@@ -94,7 +94,7 @@ jobs:
 
       - name: Install node dependencies
         if: ${{ runner.os != 'Windows' || github.event_name == 'schedule' }}
-        run: npm install
+        run: npm install --loglevel=error --no-audit
         working-directory: ./tests/integration/playwright
         shell: bash
 
@@ -105,7 +105,7 @@ jobs:
 
       - name: Install MECA validator
         if: ${{ runner.os != 'Windows' }}
-        run: npm install -g meca
+        run: npm install -g meca --loglevel=error --no-audit
 
       - name: Set RENV_PATHS_ROOT
         shell: bash

tests/configure-test-env.ps1

@@ -87,7 +87,7 @@ If ($node_exists) {
       Write-Host -ForegroundColor yellow "Some tests may fail. Consider upgrading Node.js."
     }
     Write-Host "Setting up npm testing environment"
-    npm install -g meca
+    npm install -g meca --loglevel=error --no-audit
   }
 }
 
@@ -96,11 +96,11 @@ Write-Host -ForegroundColor green ">>>> Configuring Playwright for integration t
 If ($npm_exists) {
   Write-Host "Installing Playwright dependencies..."
   Push-Location integration/playwright
-  npm install
+  npm install --loglevel=error --no-audit
   # Install multiplex server dependencies
   Write-Host "Installing multiplex server dependencies..."
   Push-Location multiplex-server
-  npm install
+  npm install --loglevel=error --no-audit
   Pop-Location
   # On Windows, npx playwright install --with-deps works without admin rights
   Write-Host "Installing Playwright browsers..."

tests/configure-test-env.sh

@@ -103,7 +103,7 @@ else
     echo "Some tests may fail. Consider upgrading Node.js."
   fi
   echo "Setting up npm testing environment"
-  npm install -g meca
+  npm install -g meca --loglevel=error --no-audit
 fi
 
 # Setup Playwright for browser testing ---
@@ -112,11 +112,11 @@ if [ -n "$npm_exists" ]
 then
   echo "Installing Playwright dependencies..."
   pushd integration/playwright > /dev/null
-  npm install
+  npm install --loglevel=error --no-audit
   # Install multiplex server dependencies
   echo "Installing multiplex server dependencies..."
   pushd multiplex-server > /dev/null
-  npm install
+  npm install --loglevel=error --no-audit
   popd > /dev/null
   # Try to install browsers with --with-deps (may require sudo on Linux/macOS)
   echo "Installing Playwright browsers..."