scadaver v1.4.0

Added

• Write and read support for IEC-104, Siemens S7, MQTT, and eWON devices (set tag, get tag)
• Beckhoff get tag via ADS; Rockwell set tag --type flag for typed CIP writes
• EIP sender context watermark for traffic fingerprinting; Snort and YARA detection rules
• TUI: persistent struct members, auto-display on device select, access labels, legend

Fixed

• TUI panic guard on empty device list
• Web API auth gaps in ephemeral key validation

Changed

• Pre-commit strict clippy gate; Rust 1.87 pinned as minimum version