Expert logging guidance based on Boris Tane's loggingsucks.com philosophy. Use when implementing logging, adding observability, debugging production issues, or reviewing code that includes log statements. Covers wide events architecture, structured logging, smart sampling, and high-cardinality field design.
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설치 방법 보기설치하기 전에 에이전트에게 전달되는 지시 내용을 확인할 수 있습니다.
Expert guidance for production-grade logging based on Boris Tane's loggingsucks.com philosophy.
Stop logging "what your code is doing." Start logging "what happened to this request."
Traditional logging is optimized for writing, not querying. Developers emit logs for immediate debugging convenience without considering how they'll be searched later. This creates massive signal-to-noise ratios at scale.
Instead of scattered log statements throughout your code, build one comprehensive event per request per service:
// ❌ Traditional scattered logging
logger.info("Request started");
logger.info(`User ${userId} found`);
logger.info("Fetching cart");
logger.debug(`Cart has ${items.length} items`);
logger.info("Processing payment");
logger.error(`Payment failed: ${error.message}`);
// ✅ Wide event - build throughout request, emit once
const event = {
request_id: req.id,
timestamp: Date.now(),
service: "checkout",
version: "2.3.1",
user: { id: userId, tier: "premium", account_age_days: 847 },
cart: { id: cartId, item_count: 3, total_cents: 15999 },
payment: { method: "card", provider: "stripe", latency_ms: 234 },
outcome: "failure",
error: { type: "PaymentDeclined", code: "card_declined", retriable: true }
};
logger.info(event);
| Concept | Definition |
|---|---|
| Wide Event | One comprehensive, context-rich log per request per service |
| Cardinality | Number of unique values (user IDs = high, HTTP methods = low) |
| Dimensionality | Count of fields per event (aim for 40+ meaningful fields) |
| Tail Sampling | Sample decisions after request completion based on outcomes |
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Expert full-cycle enterprise sales strategist for B2B SaaS. Use when planning sales strategy, pipeline management, deal progression, account planning, competitive displacement, or territory optimization. Covers multi-threading, executive engagement, champion development, buying committee navigation, and complex deal orchestration. Use for enterprise selling, account expansion, land-and-expand, and quota attainment.
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Expert Architecture Decision Record (ADR) creation and lifecycle management based on Olaf Zimmermann's methodology. Use when creating ADRs, reviewing architectural decisions, evaluating decision readiness, writing MADR templates, assessing decision quality, or managing ADR logs. Covers the full lifecycle from readiness (START criteria) through creation, MADR formatting, completion (ECADR criteria), and ongoing maintenance.
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Hand off code review to OpenAI Codex CLI. Use when asked to "review code with codex", "codex review", "get a second opinion on code", "review my changes", "review this PR", or when you want AI-powered code review from a different model perspective.
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Expert community-led growth and community management guidance. Use when building developer communities, Discord/Slack communities, online communities, managing community platforms, designing member onboarding, creating engagement programs, running ambassador programs, measuring community health, setting up moderation systems, or implementing DevRel strategies. Use for community-led growth, member activation, user-generated content programs, and community governance.
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Expert competitive intelligence and strategy guidance for B2B/SaaS companies. Use when conducting competitive research, creating battlecards, analyzing win/loss data, building market landscape maps, positioning against alternatives, handling competitive objections, writing comparison pages, or developing sales enablement for competitive situations. Use for competitive monitoring, feature comparisons, and market intelligence gathering.
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Master orchestrator that chains all Remotion video creation skills together in a single automated pipeline. Takes a creative brief and produces a complete, production-ready Remotion video project. Use when starting a new video from scratch, when asked to "create a video", "make a video", "build a complete video", or "video from idea to code".
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