modh-labs

Use when an app sends errors/logs/traces to more than one sink (Sentry events, spans, and logs; a structured logger like pino/winston; an…

Use whenever a server error with a structured payload flows into a UI error handler.

Paginate multi-page PDFs generated from HTML or markdown (Puppeteer, Playwright, wkhtmltopdf, weasyprint, react-pdf print CSS) by what you…

Hide optional configuration fields behind subtle "+ Add X" CTAs that reveal inline editors when clicked, with a LivePreview strip as the…

Instrumentation fails silently, and its failure looks exactly like good news.

When an external API's exact request schema is uncertain and a dry-run skips the network, stop guessing from docs — make ONE real call and…

React component decomposition, hook extraction, state machines, composition patterns, hydration safety, and React 19 APIs.

Two-tier strategy for retroactively writing unit tests for a Drizzle-based repository module that has zero or sparse coverage.

Guide code organization, folder structure, and route architecture following colocation-first patterns.

Enforce security standards including RLS policies, webhook signature verification, Zod validation, environment variable safety, GDPR…

Build UI components following shadcn/ui patterns.

Internal-only TypeScript packages in a monorepo should export source, not a compiled dist/.