When to use this skill ALWAYS use this skill when the user mentions: - Preventing multiple app instances / 防止多开实例 - Handling second-launch arguments / 处理二次启动参数 - Deep-linking or CLI with single-instance / 深链或 CLI 与单实例联动 Trigger phrases include: - "single instance", "second launch", "arguments", "deep linking" - "单实例", "二次启动", "参数", "深链" How to use this skill 1. Enable single-instance and define init behavior 2. Capture and route second-launch arguments to the app 3. Focus or restore the main window on re-entry 4. Validate behavior with deep-linking or CLI scenarios Outputs - Single-instance b…