Seed constitutional drafting backbone

ratification/README.md

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+# Ratification
+
+Ratification records connect public process to immutable Git snapshots.
+
+Use signed annotated tags for ratified text:
+
+```bash
+git tag -s ratified-YYYY-MM-DD -m "Ratified snapshot: YYYY-MM-DD"
+git push origin ratified-YYYY-MM-DD
+```
+
+This directory can hold supporting records such as tally summaries, minority
+reports, public-notice windows, and links to deliberation archives.