start_dev.bat: build data first, then start the local server.start_dev_fast.bat: skip the rebuild and start the local server immediately.build_data.batandrun_server.bat: low-level helpers used by the two root entrypoints.
- All temporary outputs, test results, browser inspection evidence, generated reports, and local caches must go under
.runtime/. - Checked-in deliverables stay in
data/. Do not write disposable artifacts directly under the repo root.