On the first `./scripts/dev_run.sh` invocation (serving.duckdb absent),
automatically run extract → transform → export_serving from the repo root
so the dashboard is populated without any manual steps.
Subsequent runs skip the pipeline for a fast startup. Delete serving.duckdb
from the repo root to force a full pipeline re-run.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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