fix: startup script

bin/start_service.sh

@@ -36,4 +36,4 @@ uv sync --frozen --project ${APP_DIR}
 source ${APP_DIR}/.venv/bin/activate
 
 # TODO: use `exec python3 ...` here?
-python3 -u -B ${APP_DIR}/src/agebd_{SVC_NAME_LOWER_UNDERSCORES}/main.py
+python3 -u -B ${APP_DIR}/src/agebd_${SVC_NAME_LOWER_UNDERSCORES}/main.py