Add explicit container restart after update

docker compose up -d doesn't restart containers when only mounted
volume files change. Adding explicit restart ensures the new code
is picked up after git pull.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

dw

@@ -142,6 +142,7 @@ cmd_update() {
 
         echo "Restarting with new version..."
         sudo docker compose up -d --quiet-pull
+        sudo docker compose restart
     else
         echo "Updating Python dependencies..."
         source .venv/bin/activate