0.1.0

Added

• End-to-end encrypted group messaging built on MLS (RFC 9420) with CURVE448_CHACHA cipher suite (256-bit security)
• Interactive TUI client with IRC-style commands, Emacs keybinds, and command aliases
• GUI client with three-panel chat layout, Elm-style architecture, and mouse-based text selection
• Four built-in GUI theme presets (conclave, ferra, greyscale, navy) with full color customization
• User registration and login with Argon2id password hashing and session token authentication
• Configurable registration controls (public or invite-only with optional token)
• Account management: password change, display name aliases, identity reset, and account deletion (/expunge)
• Group lifecycle management: create, rename, configure message expiry, and delete (/delete)
• Role-based group admin system with promote/demote and admin-only operations
• Two-phase escrow invite system with accept, decline, and cancel flows
• Member management: invite, kick, leave, and external rejoin after identity reset
• Message pagination with sequence-number-based fetching and missed message recovery
• Message expiration with server-wide retention policy and per-group expiry settings
• Delete-after-fetch watermark mode for immediate message cleanup
• Real-time push notifications via Server-Sent Events (SSE)
• TOFU fingerprint verification with /verify, /whois, and /trusted commands
• Key package management with FIFO consumption, last-resort fallback, and rate limiting
• Desktop notifications with platform-specific hints and daemon availability detection
• Single-instance lock to prevent concurrent client access to the same data directory
• XDG Base Directory support for configuration and data storage
• Server systemd service unit with security hardening
• GitHub Actions CI/CD pipeline with Linux, macOS, and Windows release builds