diff --git a/supabase/functions/process-selective-approval/index.ts b/supabase/functions/process-selective-approval/index.ts
index 46288df8..10e4b70e 100644
--- a/supabase/functions/process-selective-approval/index.ts
+++ b/supabase/functions/process-selective-approval/index.ts
@@ -1179,6 +1179,13 @@ serve(withRateLimit(async (req) => {
       ? 'Submission has unresolved dependencies. Escalation required.'
       : undefined;
 
+    // Set moderator_id session variable for audit logging
+    await supabase.rpc('set_config', {
+      setting: 'app.moderator_id',
+      value: authenticatedUserId,
+      is_local: true
+    });
+
     const { error: updateError } = await supabase
       .from('content_submissions')
       .update({