There are a variety of synonyms for the phrase "bird's eye view of the work," which refers to a comprehensive, top-down view of a project or situation. One alternative phrase is "panoramic outlook," which suggests a wide-angle perspective that takes in all aspects of the endeavor. "Macro perspective" also conveys a sense of a high-level, big-picture view of the work. You might also use "overview" or "survey" to describe this perspective, as each term implies a sense of assessing and taking stock of the situation as a whole. Regardless of the phrase you choose, it's essential to maintain a sense of detached observation and objectivity when taking a bird's eye view of your work.
