AWS SDKs SME Cookbook

From AWS CLI and credential providers through both SDKs' idioms - paginators, waiters, retries - and the ~35 most-used AWS services (EC2, Lambda, S3, DynamoDB, Bedrock, SageMaker, S3 Vectors) to resilience patterns, cost optimization, security, and incident response. Every example shows the equivalent call in Python (boto3) and TypeScript (AWS SDK v3).