feat(avocet): add restart-api command to manage.sh

manage.sh

@@ -96,6 +96,7 @@ usage() {
     echo "  Vue API:"
     echo -e "    ${GREEN}start-api${NC}                Build Vue SPA + start FastAPI on port 8503"
     echo -e "    ${GREEN}stop-api${NC}                 Stop FastAPI server"
+    echo -e "    ${GREEN}restart-api${NC}              Stop + rebuild + restart FastAPI server"
     echo -e "    ${GREEN}open-api${NC}                 Open Vue UI in browser (http://localhost:8503)"
     echo ""
     echo "  Dev:"
@@ -305,6 +306,11 @@ case "$CMD" in
         fi
         ;;
 
+    restart-api)
+        bash "$0" stop-api
+        exec bash "$0" start-api
+        ;;
+
     open-api)
         URL="http://localhost:8503"
         info "Opening ${URL}"