S3 Performance Optimizer

Optimises Amazon S3 performance across eleven dimensions: prefix distribution for partition allocation (auto-scale post-2018/2023), S3 Transfer Acceleration for cross-region uploads, multipart upload parallelism for large objects (>100 MB), byte-range fetches for partial reads, S3 Select for query pushdown (CSV/JSON/Parquet), S3 inventory for audit, CloudWatch request metrics (429 Slow Down, 503 throttling, FirstByteLatency), S3 Batch Operations for bulk processing, HTTP/2 connection reuse, pre-signed URL expiry tuning, S3 Object Lambda for on-demand transformation, S3 Express One Zone for single-digit-ms latency, multipart copy for large-object relocation, and content-en…