refactor: improve WS cancellation, fix config updates, and format code

[Copilot]

Initial project setup for ecaptureQ - a Tauri-based packet capture and analysis application.

Architecture

• Backend (Rust): Tauri application with packet capture service, WebSocket relay, and push notifications
• Frontend (React + TypeScript): Responsive UI with packet visualization and detail views
• Core Components:
  • Actor-based packet processing pipeline
  • WebSocket service for real-time packet streaming
  • Configuration management with persistent storage
  • Multi-platform support (macOS, Windows, Linux, iOS)

Key Features

• Real-time packet capture with configurable filters (interface, protocol, port range)
• Responsive packet table with detail modal showing hex/ASCII payload
• WebSocket-based packet relay from external sources
• Time-based packet formatting with relative timestamps
• Custom Source Han Sans font for consistent rendering

Technical Stack

• Tauri 2.0 with Rust backend
• React 18 + TypeScript + Vite
• TailwindCSS for styling
• Protobuf for packet serialization
• GitHub Actions for CI/CD (PR builds, releases)

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