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chat-perf
【开发与工程】Run chat perf benchmarks and memory leak checks against the local dev build or any published VS Code version. Use when investigating chat rendering regressions, validating perf-sensitive changes to chat UI, or checking for memory leaks in the chat response pipeline.
cpu-profile-analysis
【数据与研究】Analyze V8/Chrome CPU profiles (.cpuprofile) and DevTools trace files (Trace-*.json). Use when: profiling performance, investigating slow functions, comparing code paths, finding bottlenecks, analyzing timeToRequest, understanding call trees from sampling profiler data, analyzing layout/paint/rendering, investigating user timing marks.
heap-snapshot-analysis
【数据与研究】Analyze V8 heap snapshots to investigate memory leaks and retention issues. Use when given .heapsnapshot files, asked to compare before/after snapshots, asked to find what retains objects, or investigating why objects survive GC. Provides snapshot parsing, comparison, retainer-path helpers, and scratchpad scripts.
langsmith-fetch
【开发与工程】Debug LangChain and LangGraph agents by fetching execution traces from LangSmith Studio. Use when debugging agent behavior, investigating errors, analyzing tool calls, checking memory operations, or examining agent performance. Automatically fetches recent traces and analyzes execution patterns. Requires langsmith-fetch CLI installed.
error-monitoring
【开发与工程】Use when setting up a new project's production observability stack, reviewing incident response readiness, or investigating why errors are going undetected.
html-size
【开发与工程】Use when auditing page weight for crawl efficiency, investigating why certain page content is not appearing in Google's index, or reviewing server-rendered pages that embed large JSON payloads in HTML.
indexability-conflicts
【开发与工程】Use when auditing a site for indexability issues, investigating why pages appear in Google's index that should be excluded (or vice versa), or reviewing robots.txt and meta robots configurations for consistency.
indexability
【开发与工程】Use when auditing a site for accidental noindex directives, investigating why important pages are not appearing in Google Search, or reviewing CMS settings that control indexing at the page or category level.
json-ld-valid
【数据与研究】Use when generating or auditing any `<script type='application/ld+json'>` blocks, implementing structured data for articles, products, FAQs, breadcrumbs, or local businesses, or investigating why rich results are not appearing in Google Search Console.
no-unchecked-indexed-access
【数据与研究】Use when auditing tsconfig.json for missing safety flags, reviewing code that uses array index access in data processing pipelines, or investigating runtime undefined errors that TypeScript did not catch.
og-url-match
【效率与协作】Use when auditing Open Graph tags or investigating why social share counts appear low. Applies to any page with both canonical-url and og:url tags.
orphan-pages
【效率与协作】Use when auditing site architecture or investigating why specific pages have low organic traffic despite good content. Applies to any site with more than ~20 pages.
robots-meta-conflict
【效率与协作】Use when applies to sites that use both robots.txt disallow rules and meta robots noindex tags. Use when investigating why deindexed pages still appear in search results.
schema-noindex-conflict
【数据与研究】Use when applies to any site that uses structured data for rich results. Use when investigating why valid schema markup does not produce rich results in Google Search.
sitemap-4xx
【效率与协作】Use when applies to any site with a dynamically generated or manually maintained XML sitemap. Use when investigating crawl errors or after a site migration that removed pages.
sitemap-coverage
【效率与协作】Use when applies to content sites, e-commerce stores, and any site where timely indexing of new pages matters. Use when investigating why new pages take a long time to appear in search results.
title-unique
【效率与协作】Use when applies to all HTML pages. Use when auditing a site crawl report or investigating why multiple pages compete for the same keyword in search results.
type-only-imports
【效率与协作】Use when auditing import statements in TypeScript files, setting up a new TypeScript project, or investigating unexpected bundle inclusions from type-only dependencies.