技能列表

When the user wants to create or optimize in-app paywalls, upgrade screens, upsell modals, or feature gates. Also use when the user mentions "paywall," "upgrade screen," "upgrade modal," "upsell," "feature gate," "convert free to paid," "freemium conversion," "trial expiration screen," "limit reached screen," "plan upgrade prompt," or "in-app pricing." Distinct from public pricing pages (see page-cro) — this skill focuses on in-product upgrade moments where the user has already experienced value

PDF document parsing tool based on local MinerU, supports converting PDF to Markdown, JSON, and other machine-readable formats.

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Create and manage Product Requirements Documents (PRDs). Use when: (1) Creating structured task lists with user stories, (2) Specifying features with acceptance criteria, (3) Planning feature implementation for AI agents or human developers.

AI 原生支付解决方案 - 提供安全、可靠的支付功能

Transform AI agents from task-followers into proactive partners that anticipate needs and continuously improve. Now with WAL Protocol, Working Buffer, Autonomous Crons, and battle-tested patterns. Part of the Hal Stack 🦞

Fetch product info by payment link ID. Calls GStable API to get payment link details, returns product name, description, price, and supported payment tokens. Ideal for AI assistants parsing payment links and displaying product information.

Verify and write proofs using the Acorn theorem prover for mathematical and cryptographic formalization. Use when working with Acorn proof files (.ac), verifying theorems, formalizing mathematical or cryptographic protocols, or writing proofs in the Acorn language. Triggers on: (1) Creating or editing .ac files, (2) Running acorn verify commands, (3) Formalizing math or crypto proofs, (4) Questions about Acorn syntax or standard library.

Coordinate payment incident response with structured triage, blast-radius assessment, mitigation actions, stakeholder communication, reconciliation recovery, and postmortem tracking.

Remote-control tmux sessions for interactive CLIs by sending keystrokes and scraping pane output.

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Calculate construction costs using DDC CWICR resource-based methodology. Break down costs into labor, materials, equipment with transparent pricing."