-- Fix for "new row violates row-level security policy for table chat_mqtt_downlinks" -- Run this in Supabase SQL Editor -- 1. Enable RLS (if not already) ALTER TABLE chat_mqtt_downlinks ENABLE ROW LEVEL SECURITY; -- 2. Allow authenticated users (logged in users) to INSERT CREATE POLICY "Allow insert for authenticated users" ON chat_mqtt_downlinks FOR INSERT TO authenticated WITH CHECK (true); -- 3. Allow authenticated users to SELECT (to see their own inserts or all) CREATE POLICY "Allow select for authenticated users" ON chat_mqtt_downlinks FOR SELECT TO authenticated USING (true);