Coding standards, frameworks, refactoring, and code review (18.2K skills)
Guide for upgrading Java projects between major versions (8→11→17→21→25). Use when user says "upgrade Java", "migrate to Java 25", "update Java version", or when modernizing legacy projects.
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Analyze Java project architecture at macro level - package structure, module boundaries, dependency direction, and layering. Use when user asks "review architecture", "check structure", "package organization", or when evaluating if a codebase follows clean architecture principles.
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Detect potential code-level performance smells in Java - streams, collections, boxing, regex, object creation. Provides awareness, not absolutes - always measure before optimizing. For JPA/database performance, use jpa-patterns instead.
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Generate changelogs from git commits. Use when user says "generate changelog", "update changelog", "what changed since last release", or before preparing a new release.
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SOLID principles checklist with Java examples. Use when a class has too many responsibilities, an abstraction leaks, or a dependency points the wrong way, and when the user asks about Single Responsibility, Open/Closed, Liskov, Interface Segregation or Dependency Inversion. For naming, duplication and method length, use clean-code instead.
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Clean Code principles (DRY, KISS, YAGNI), naming, function design and readability. Use when code is hard to read, with long methods, unclear names, duplication or deep nesting. For how responsibilities are split across classes and which way dependencies point, use solid-principles instead.
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Real-time GDS flight search via Duffel API. Accurate per-fare-class pricing, cabin selection, multi-city, time preferences. Primary cash price source. Does not include Southwest.
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What to do when a tool fails, an API hits a rate limit, or a site blocks scraping. Maps every primary tool to its best fallback so a single failure doesn't block the search.
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Per-program stopover rules for award redemptions. Which programs allow free stopovers, how many, how long, and which don't. Covers Icelandair, Aeroplan, Alaska, Flying Blue, Singapore, Cathay, JAL, and the negative space (BA, AA, Delta).
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Search award flight availability across 27 mileage programs via Seats.aero Partner API. Find cheapest award flights, compare programs, and get booking links.
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Cents-per-point (cpp) valuations across major loyalty programs from four publications. Floor/ceiling rules for deciding if a redemption is good or exceptional.
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Maps hotel brand names (Westin, Sheraton, Holiday Inn, etc.) to chain families and loyalty programs. Use when hotel results contain branded properties or deciding whether to check award rates.
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Unified hotel comparison across Chase Edit, Amex FHR/THC, metasearch, and Airbnb. Highlights premium program benefits, stacking opportunities, and benefit-adjusted pricing.
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Per-program rules for placing award flights on hold before transferring points. Covers programs with holds (AA, Lufthansa, Flying Blue, Cathay, Turkish, Virgin Atlantic, ANA, Emirates, EVA Air) and those without. Includes transfer-speed reference.
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Mileage earning rates by airline and booking class via wheretocredit.com. Redeemable and qualifying miles across 50+ programs. Use when deciding where to credit a flight or comparing earning rates.
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Credit card to loyalty program transfer ratios. Cross-references seats.aero award prices with transfer ratios to find the cheapest path from UR, MR, TYP, Capital One, or Bilt to any mileage program.
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Search Amex FHR/THC and Chase Edit hotels by city. Compare credits, benefits, and find stacking opportunities across card programs.
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Loyalty program airline ticketing partnerships (alliance + bilateral). Cross-references credit card currencies to booking programs for award reachability checks.
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Fast REST API flight search via ignav.com. Cash prices, booking links, market selection for price arbitrage. Include in every flight search alongside Duffel and other sources.
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IATA cabin codes (F/J/W/Y) and saver fare class codes (X/I/O) for reading award inventory and determining partner-bookable availability.
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Airline alliance membership (Star Alliance, oneworld, SkyTeam) and cross-alliance booking relationships. Maps which loyalty programs book which airlines, including bilateral partnerships outside alliances.
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Use when working on AUTO-MAS frontend Vue, TypeScript, Vite, Electron renderer, routing, API composables, state, styles, forms, validation, or frontend verification tasks.
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Use when implementing, fixing, refactoring, or reviewing non-generated AUTO-MAS code, or when preparing code-style guidance, comments, docstrings, version notes, or Conventional Commit wording. Skip read-only diagnosis, explanation, exploration, and planning unless code conventions are requested.
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从固定点（commit、branch、tag 或 merge-base）开始，沿两条轴线审查变更——规范（代码是否遵循仓库文档化的编码规范？）和规格（代码是否与原始 issue/PRD 的要求一致？）。两条审查线在并行子 agent 中运行，并以并排方式报告结果。当用户想审查一个分支、PR、进行中的变更，或要求"从 X 开始审查"时使用。
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