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Mandatory Prismix browser verification for web UI changes. Use when modifying or reviewing frontend-rendered behavior, including src/web files, shared UI components, routes, layouts, CSS/Tailwind classes, visual assets, displayed i18n strings, browser auth flows, or frontend-visible API behavior.

Review and accept external modifications to the working tree (Codex, linters, collaborators). Diff, assess, flag issues. Trigger: "review changes", "review external", "check what changed".

React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.

Guide for implementing smooth, native-feeling animations using React's View Transition API (`<ViewTransition>` component, `addTransitionType`, and CSS view transition pseudo-elements). Use this skill whenever the user wants to add page transitions, animate route changes, create shared element animations, animate enter/exit of components, animate list reorder, implement directional (forward/back) navigation animations, or integrate view transitions in Next.js. Also use when the user mentions view transitions, `startViewTransition`, `ViewTransition`, transition types, or asks about animating between UI states in React without third-party animation libraries.

React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.

Backend code review for src/server/. 3 parallel agents: architecture, security+performance, engineering+scalability. Supports diff mode. Trigger: "review server", "review backend".

Frontend code review for src/web/. 3 parallel agents: performance, architecture, engineering. Supports diff mode. Trigger: "review web", "review frontend".

Manage database seed data (PostgreSQL). Trigger: "seed", "add network", "add token", "update seed".

Sync Postman collection and environment after API changes. Diffs route files against docs/postman/coinwall-collection.json, adds missing endpoints, removes stale ones, updates request bodies and auth. Trigger after any route/endpoint change, or when user says "sync postman", "更新 postman", "同步接口文档".

Set up, manage, and troubleshoot the x402 MCP payment server for Claude Code. Use when the user wants to configure x402 payments, check wallet status, manage budgets, fix MCP connection issues, or integrate paid APIs into their project.

Pay for any HTTP API automatically using USDC on Base. Detects x402 (HTTP 402) pricing, signs ERC-3009 authorization, and settles on-chain — all transparent to the user.

Sync docs site from docs/public/ source files. Diffs upstream markdown against React pages + i18n keys, identifies gaps, and updates the docs site. Trigger when docs/public/ is updated or user says "sync docs", "同步文档".

Manage database seed data (PostgreSQL). Covers networks, tokens, auth providers, facilitator config, and any global_settings. Trigger: "seed", "add network", "add token", "update seed", "种子数据".

Evaluate whether a US stock is worth buying, holding, reducing, avoiding, or watchlisting under the user's Alpaca-based trend-following and relative-strength framework, with news/event-risk overlay, read-only account exposure overlay, display-only AI second opinion, whole-market scanning, SQLite market-data caching, a persistent Alpaca asset catalog, safe historical warmup and coverage reconciliation, and optional multi-agent evidence collection via stable JSON contracts. Use when the user asks 值得买吗, 股票评分, buy/hold/sell/avoid/watchlist, Alpaca 行情或持仓, account exposure, 全市场扫描/找今天能买的, 行情缓存/历史数据预热/全市场三年数据/资产目录/查漏补缺, multi-agent stock analysis, 并行采集, agent contracts, 入场价/出场价/止盈止损, 30 天行情, 当日行情, 新闻面/事件风险, AI 意见/AI 分析对比, 交易纪律, 趋势跟随, 相对强度, 主升趋势, 修正阶段, momentum leadership, 量价确认, 顶背离, or 超买超卖.