Validaciones mandatorias — Sección 8 — IDs concretos

supabase/migrations/20260604200932_fix_answers_insert_policy.sql

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+-- Migration 008: fix answers_insert policy
+-- Root cause: WITH CHECK con EXISTS en responses
+-- bloqueaba INSERT de anon porque anon no tiene SELECT en responses.
+-- El FK response_id → responses(id) ya garantiza la integridad referencial.
+DROP POLICY "answers_insert" ON public.answers;
+CREATE POLICY "answers_insert" ON public.answers
+    FOR INSERT TO anon, authenticated
+    WITH CHECK (true);