diff --git a/supabase/migrations/20260918030922_restore_result_column_writes.sql b/supabase/migrations/20260918030922_restore_result_column_writes.sql
new file mode 100644
index 0000000..a094bf3
--- /dev/null
+++ b/supabase/migrations/20260918030922_restore_result_column_writes.sql
@@ -0,0 +1,9 @@
+begin;
+
+-- These columns were added after the original column-level result grants.
+-- Browser submissions include them even when their values are null.
+grant insert (runtime_flags, custom_runtime_id, revision),
+      update (runtime_flags, custom_runtime_id, revision)
+on public.results to authenticated;
+
+commit;
diff --git a/supabase/tests/database_smoke.sql b/supabase/tests/database_smoke.sql
index 455b122..ec1ebdd 100644
--- a/supabase/tests/database_smoke.sql
+++ b/supabase/tests/database_smoke.sql
@@ -81,14 +81,23 @@ select public.update_rig(
 
 insert into public.results (
   submitter_id, model_id, quant_id, runtime_id, runtime_version, rig_id,
-  component_id, component_quantity, decode_tps, repo_url, run_date
+  component_id, component_quantity, decode_tps, repo_url, run_date,
+  runtime_flags, custom_runtime_id, revision
 )
 select
   current_setting('test.owner_id')::uuid, 'qwen3-8b', 'int4', 'cascadia', 'smoke', id,
-  'intel-core-ultra-9-285k', 1, 42, 'https://github.com/labscommunity/cascadia', current_date
+  'intel-core-ultra-9-285k', 1, 42, 'https://github.com/labscommunity/cascadia', current_date,
+  null, null, null
 from public.rigs
 where owner_id = current_setting('test.owner_id')::uuid and name = '__rls_smoke_rig__';
 
+-- The browser sends these columns for stock results too, including nulls.
+update public.results
+set runtime_flags = 'smoke flags', custom_runtime_id = null, revision = null
+where submitter_id = current_setting('test.owner_id')::uuid
+  and runtime_version = 'smoke'
+  and rig_id = (select id from public.rigs where name = '__rls_smoke_rig__');
+
 do $$
 begin
   begin