digital ghost

React Server Components, Suspense boundaries, streaming SSR, partial prerendering patterns for Next.js App Router.

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SaaS analytics event taxonomy, metric formulas (MRR, churn, LTV), provider-agnostic tracking, funnel analysis, cohort setup, and privacy-respecting instrumentation.

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Use this skill when adding authentication, handling user input, working with secrets, creating API endpoints, or implementing payment/sensitive features. Provides comprehensive security checklist and patterns.

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Search Tool Hierarchy

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Check reference SDK implementations using btca ask

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Store a learning, pattern, or decision in the memory system for future recall.

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Code refactoring workflow - analyze → plan → implement → review → validate

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External research workflow for docs, web, APIs - NOT codebase exploration

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Router-First Architecture

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Comprehensive code review workflow - parallel specialized reviews → synthesis

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Agent reputation scoring, performance tier system, trust calibration, and task affinity matching

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SaaS authentication and authorization patterns including JWT vs session strategies, multi-tenant isolation, RBAC, API key management, passwordless flows, MFA, and secure session handling.

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Code quality checks, formatting, and metrics via qlty CLI

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Pre-launch verification across infrastructure, security, legal, payment, email, analytics, and performance. Day-1 monitoring, rollback plan, incident response skeleton, and post-launch week-1 checklist.

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Query the memory system for relevant learnings from past sessions using semantic search.

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Data structure selection, pub/sub patterns, Lua scripting, pipelining, and cluster topology strategies.

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Use RepoPrompt CLI for token-efficient codebase exploration

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Document codebase as-is with thoughts directory for historical context

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Payment provider abstraction, webhook security, subscription lifecycle, dunning flows, pricing models, invoicing, tax handling, and refund patterns for SaaS applications.

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Security audit workflow - OWASP Top 10, input validation, auth, secret detection, vulnerability scan

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Analyze repository structure, patterns, conventions, and documentation for understanding a new codebase

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Chunking strategies, embedding model selection, hybrid search, reranking, eval metrics

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Generate design docs, ADRs, and concept docs from existing code by reverse engineering intent

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Claude Code session analysis, tool call patterns, efficiency metrics, and anti-pattern detection

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