修复了一点bug，然后增加了图层拆分更多的功能

tests/postgres-privilege-contract.test.ts

@@ -7,6 +7,7 @@ describe("PostgreSQL application-role privilege contract", () => {
     expect(source).toContain('["billing_wallets", "SELECT, INSERT, UPDATE"]');
     expect(source).toContain('["billing_ledger", "SELECT, INSERT"]');
     expect(source).toContain('["platform_runtime_settings", "SELECT, INSERT, UPDATE"]');
+    expect(source).toContain('["seedream_layer_compositions", "SELECT, INSERT, UPDATE, DELETE"]');
     expect(source).toContain("applicationRoleTablePrivileges().map");
     expect(source).toContain("REVOKE ALL ON TABLE");
     expect(source).not.toContain("ALTER DEFAULT PRIVILEGES");