release: v1.0.3 - engine update and diagnostics

Author: bobberdolle1

CHANGELOG.md

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+# Changelog - UNBOUND ClearFlow Engine
+
+## [1.0.3] - 2026-03-23
+### Added
+- **Auto-Tune V2**: New parallel scanning engine for YouTube, Telegram, Discord, RuTracker, and Facebook.
+- **System Health Check**: Built-in diagnostics for admin rights, process conflicts, and WinDivert status.
+- **Discord Hygiene**: Option to auto-clean Discord cache on startup to prevent session poisoning.
+- **TCP Timestamps**: System-wide toggle to improve compatibility with modern DPI bypass techniques.
+- **Version Display**: Current app version now visible in Settings.
+- **Full Kill**: Nuclear option to terminate all conflicting DPI bypass processes and reset drivers.
+
+### Fixed
+- **Console Flashing**: All system calls now use `CREATE_NO_WINDOW`, eliminating black box flickering.
+- **Profiles**: Restored full list of 70+ presets from Zapret 2 reference materials.
+- **Auto-Tune Stability**: Fixed log duplication and cancellation logic.
+- **Launch Issues**: Fixed winws2.exe working directory and blob path resolution.
+- **Build Errors**: Resolved circular dependencies and missing frontend exports.
+
+### Changed
+- **License**: Officially moved to GNU GPL v3.0.
+- **UI**: Modernized Sketchy-style overlays for errors and warnings.
+- **Architecture**: Improved provider management and status reporting.
+
+---
+*UNBOUND: Open source, community-driven, and ready for 2026.*