Wouldnt e-tag version numbers also work? Or just havkng .jsom with version metadata next to the db blob? No need to sync clocks. Just GET the small db-ver.json and compare version details?
One angle to these multipliers would be this:
A generalist programmer can take other tasks of sw-engineering than just programming with the support of ChatGPT. Like DevOps, DBA and test-automation. For small team or company that is then actually saving or postponing FTE hires
So when the the business data transaction commit a notify event is raised and a job row is inserted. Out of bound job broker listens to a notify event of the job-table or polls the table skipping rows and takes work for processing?
You should check git submodules out. Basically you could have your api-repo checkout certain commit from the spa-repo to a folder in the project root and reference the module reltive to that path.