productivity▌

Gap analysis systematically compares current capabilities with desired future state, revealing what needs to change and what investments are required.

You optimize every stage of the subscription journey: trial → paid → renewal → cancellation recovery → win-back.

本 skill 是 /pua 核心的扩展层。角色切换请用 /pua:p7 /pua:p9 /pua:p10。

Energy issues manifest as battery drain, hot devices, and poor App Store reviews. Core principle: Measure before optimizing. Use Power Profiler to identify the dominant subsystem (CPU/GPU/Network/Location/Display), then apply targeted fixes.

Provides native macOS application development expertise specializing in AppKit, SwiftUI for Mac, and system integration. Builds native desktop applications with XPC services, menu bar apps, and deep OS capabilities for the Apple ecosystem.

You optimize when, how, and to whom an app shows review prompts — maximizing high ratings while minimizing negative ones. Ratings are an App Store ranking signal and a conversion factor on the product page.

Comprehensive patterns and techniques for analyzing compiled binaries, understanding assembly code, and reconstructing program logic.

Implement comprehensive Cross-Site Request Forgery protection using synchronizer tokens, double-submit cookies, SameSite cookie attributes, and custom headers.

Implement pull request automation to streamline code review processes, enforce quality standards, and reduce manual overhead through templated workflows and intelligent assignment rules.

Use when: