fix(replicas): never REFRESH with copy_data=true after a data copy

A second logical copy unique-conflicts on existing PKs and leaves
tablesync workers stuck, so live UPDATEs never apply on slaves.

Co-authored-by: Cursor <cursoragent@cursor.com>

deploy/sync-replica-schema.sh

@@ -192,10 +192,11 @@ refresh_subscriptions() {
     return 0
   fi
   for sub in "${subs[@]}"; do
-    echo "  ALTER SUBSCRIPTION $sub REFRESH PUBLICATION (copy_data)"
-    # New tables added to FOR ALL TABLES are NOT replicated until this runs.
+    echo "  ALTER SUBSCRIPTION $sub REFRESH PUBLICATION (copy_data=false)"
+    # Do not recopy existing tables — that starts tablesync workers which
+    # unique-conflict with data already on the replica and block live UPDATEs.
     run_psql "$(libpq_dsn "$dsn")" -v ON_ERROR_STOP=1 -q \
-      -c "ALTER SUBSCRIPTION \"${sub}\" REFRESH PUBLICATION WITH (copy_data = true)"
+      -c "ALTER SUBSCRIPTION \"${sub}\" REFRESH PUBLICATION WITH (copy_data = false)"
   done
 }