Universal file store agent changelog

Initial release: Introduced the universal file store agent, a target-only agent supporting FTP, FTPS, SFTP, WebDAV, WebDAVS, SMB, CIFS, and NFS protocols.

Multi-format output: Supports writing replicated data as Parquet, JSON, or CSV files.

Protocol flexibility: Connects to any network-accessible file storage endpoint using standard file transfer protocols.

Sidecar metadata files: Optional JSON companion files generated alongside data files to preserve schema and offset information.

Timestamp-based directory organization: Optional relative timestamp path structure for time-partitioned file layouts.

Configurable file rotation: Per-entity limits on maximum row counts per file for Parquet and CSV formats.

Concurrent uploads: Configurable maximum concurrent upload operations to optimize throughput.