fix(vector): track packaged migrations in restore smoke

scripts/test-vector-backup-restore-safety.sh

@@ -86,4 +86,14 @@ PATH="$fakebin:$PATH" RESTORE_LOG="$tmp/restore.log" ./scripts/vector-restore.sh
 grep -q -- '--single-transaction' "$tmp/restore.log"
 grep -q -- '--exit-on-error' "$tmp/restore.log"
 
+# The live restore smoke must follow the packaged migration set instead of a stale
+# hard-coded count when a new migration is added.
+if grep -Fq 'SELECT count(*) = 3 FROM public.tht_vector_migrations' \
+    scripts/local-vector-smoke.sh; then
+  echo "local vector smoke hard-codes the pre-004 migration count" >&2
+  exit 1
+fi
+grep -Fq 'expected_migrations=' scripts/local-vector-smoke.sh
+grep -Fq 'applied_migrations=' scripts/local-vector-smoke.sh
+
 echo "vector backup/restore filesystem, identity, and transaction contracts passed."