diff --git a/tests/helpers/rls-catalog.ts b/tests/helpers/rls-catalog.ts
new file mode 100644
index 0000000..71f573f
--- /dev/null
+++ b/tests/helpers/rls-catalog.ts
@@ -0,0 +1,35 @@
+import type { Query } from "@/infra/db/types";
+
+/** Tabelas que as migrations colocam sob RLS + FORCE RLS (migrations/0003_rls.sql). */
+export const RLS_TABLES = [
+  "audit_log",
+  "profiles",
+  "spreadsheet_adapter_settings",
+  "spreadsheet_job_mappings",
+  "spreadsheet_job_sources",
+  "spreadsheet_jobs",
+  "spreadsheet_models",
+  "workspace_members",
+  "workspace_module_flags",
+  "workspaces",
+] as const;
+
+export type RlsRow = { relname: string; relkind: string; relrowsecurity: boolean; relforcerowsecurity: boolean };
+
+/**
+ * Só tabelas comuns e particionadas (`relkind` r/p) do schema public. Sem esse
+ * filtro, `like 'spreadsheet%'` também traz índices (`*_pkey`, relkind `i`),
+ * que nunca têm RLS e fazem a verificação falhar por engano.
+ */
+export async function readRlsCatalog(query: Query): Promise<RlsRow[]> {
+  return query.query<RlsRow>(
+    `select c.relname, c.relkind::text as relkind, c.relrowsecurity, c.relforcerowsecurity
+       from pg_class c
+       join pg_namespace n on n.oid = c.relnamespace
+      where n.nspname = 'public'
+        and c.relkind in ('r', 'p')
+        and (c.relname like 'spreadsheet%' or c.relname = any($1::text[]))
+      order by c.relname`,
+    [[...RLS_TABLES]],
+  );
+}
diff --git a/tests/integration/rls.test.ts b/tests/integration/rls.test.ts
index 29f0f52..f319439 100644
--- a/tests/integration/rls.test.ts
+++ b/tests/integration/rls.test.ts
@@ -1,6 +1,7 @@
 import { describe, expect, it } from "vitest";
 import { createModel } from "@/server/spreadsheet-adapter/service";
 import { ctxOf, createReadyDb, depsOf, IDS } from "../helpers/world";
+import { readRlsCatalog, RLS_TABLES } from "../helpers/rls-catalog";
 
 describe("RLS e permissões", () => {
   it("impede leitura e escrita entre workspaces", async () => {
@@ -71,4 +72,16 @@ describe("RLS e permissões", () => {
     expect(rows.every((row) => row.action !== "tamper")).toBe(true);
     await db.close();
   });
+
+  it("verifica RLS e FORCE RLS só em tabelas, nunca em índices", async () => {
+    const db = await createReadyDb();
+    const rows = await db.withService(readRlsCatalog);
+    expect(rows.map((row) => row.relname)).toEqual([...RLS_TABLES]);
+    expect(rows.some((row) => row.relname.endsWith("_pkey"))).toBe(false);
+    for (const row of rows) {
+      expect(row.relrowsecurity, `${row.relname} sem RLS`).toBe(true);
+      expect(row.relforcerowsecurity, `${row.relname} sem FORCE RLS`).toBe(true);
+    }
+    await db.close();
+  });
 });
diff --git a/tests/services/postgres.test.ts b/tests/services/postgres.test.ts
index 4f5d0f5..1994f04 100644
--- a/tests/services/postgres.test.ts
+++ b/tests/services/postgres.test.ts
@@ -2,6 +2,7 @@ import { afterAll, beforeAll, describe, expect, it } from "vitest";
 import { createPostgresDb } from "@/infra/db/postgres";
 import { migrate, pendingMigrations } from "@/infra/db/migrate";
 import type { Db } from "@/infra/db/types";
+import { readRlsCatalog, RLS_TABLES } from "../helpers/rls-catalog";
 
 /**
  * RLS e isolamento multi-tenant contra PostgreSQL real. A suíte padrão usa
@@ -68,14 +69,10 @@ describe.skipIf(!enabled)("PostgreSQL real", () => {
   });
 
   it("força RLS em todas as tabelas do módulo", async () => {
-    const rows = await db.withService((query) =>
-      query.query<{ relname: string; relrowsecurity: boolean; relforcerowsecurity: boolean }>(
-        `select relname, relrowsecurity, relforcerowsecurity from pg_class
-         where relname like 'spreadsheet%' or relname in ('profiles','workspaces','workspace_members','audit_log')`,
-      ),
-    );
-    expect(rows.length).toBeGreaterThan(0);
+    const rows = await db.withService(readRlsCatalog);
+    expect(rows.map((row) => row.relname)).toEqual([...RLS_TABLES]);
     for (const row of rows) {
+      expect(["r", "p"], `${row.relname} não é tabela`).toContain(row.relkind);
       expect(row.relrowsecurity, `${row.relname} sem RLS`).toBe(true);
       expect(row.relforcerowsecurity, `${row.relname} sem FORCE RLS`).toBe(true);
     }
@@ -111,16 +108,34 @@ describe.skipIf(!enabled)("PostgreSQL real", () => {
   });
 
   it("não deixa o papel da aplicação alterar auditoria", async () => {
+    // workspace_id é uuid e resource_id é text: cada um tem o seu parâmetro,
+    // senão o Postgres recusa com "inconsistent types deduced for parameter".
     await db.withService((query) =>
       query.query(
         `insert into public.audit_log (workspace_id, actor_id, action, resource_type, resource_id, result)
-         values ($1,$2,'test.event','workspace',$1,'success')`,
-        [ALPHA, ANA],
+         values ($1::uuid, $2::uuid, 'test.event', 'workspace', $3::text, 'success')`,
+        [ALPHA, ANA, ALPHA],
       ),
     );
-    await expect(
-      db.withUser(ANA, (query) => query.query(`update public.audit_log set result = 'tampered'`)),
-    ).rejects.toThrow();
+
+    // A recusa tem de vir da falta de privilégio (42501), não de sintaxe ou tipo.
+    for (const statement of [
+      `update public.audit_log set result = 'error' where workspace_id = $1::uuid`,
+      `delete from public.audit_log where workspace_id = $1::uuid`,
+    ]) {
+      await expect(
+        db.withUser(ANA, (query) => query.query(statement, [ALPHA])),
+      ).rejects.toMatchObject({ code: "42501", message: expect.stringMatching(/permission denied/i) });
+    }
+
+    const rows = await db.withService((query) =>
+      query.query<{ result: string }>(
+        `select result from public.audit_log where workspace_id = $1::uuid and action = 'test.event'`,
+        [ALPHA],
+      ),
+    );
+    expect(rows.length).toBeGreaterThan(0);
+    expect(rows.every((row) => row.result === "success")).toBe(true);
   });
 
   it("pula o shim quando a decisão é não aplicar", async () => {