feat: add minimizeRdsVpcEndpoints to SQL DataSourceConfiguration

.changeset/minimize-rds-vpc-endpoints.md

@@ -0,0 +1,5 @@
+---
+'@aws-amplify/data-schema-types': minor
+---
+
+Add optional `minimizeRdsVpcEndpoints` to the SQL data source configuration, allowing customers to opt into provisioning only the SSM VPC endpoint for the RDS-in-VPC SQL Lambda (reduces 5 endpoints to 1). Defaults to false (unchanged behavior); SQL data sources only.

packages/data-schema-types/docs/data-schema-types.datasourceconfiguration.md

@@ -15,6 +15,7 @@ export type DataSourceConfiguration<DE extends DatasourceEngine = DatasourceEngi
     vpcConfig?: VpcConfig;
     identifier?: string;
     sslCert?: BackendSecret;
+    minimizeRdsVpcEndpoints?: boolean;
 };
 ```
 **References:** [DatasourceEngine](./data-schema-types.datasourceengine.md)

packages/data-schema-types/src/builder/types.ts

@@ -92,6 +92,12 @@ export type DataSourceConfiguration<
       vpcConfig?: VpcConfig;
       identifier?: string;
       sslCert?: BackendSecret;
+      /**
+       * When true, provisions only the SSM interface VPC endpoint for the SQL Lambda,
+       * instead of the full set. Defaults to false (all endpoints) for backward compatibility.
+       * Only has an effect when vpcConfig is set.
+       */
+      minimizeRdsVpcEndpoints?: boolean;
     };
 
 export type SchemaConfiguration<