React 19 changes how teams use components, hooks, Server Actions, Suspense, and streaming. This skill gives Claude, Codex, and Claude Code practical patterns for correct TypeScript implementations.

Quetrex contributors need current project context before changing code. This skill organizes issue workflows, agent automation, quality gates, and reference documents for Claude, Codex, and Claude Code.

Quetrex teams need consistent feature work across TypeScript, Next.js, validation, UI, and testing. This skill guides Claude, Codex, and Claude Code to review and implement features against those standards.

AI-assisted coding can miss tests, security checks, and release criteria. This skill gives Claude, Codex, and Claude Code a staged checklist for safer delivery.

Next.js 15 changes component boundaries, caching, and routing behavior, which can create build errors. This skill guides Claude, Codex, and Claude Code through correct App Router patterns.

Next.js 15 projects need consistent App Router, Server Action, and data fetching patterns. This skill gives Claude, Codex, and Claude Code concise references for modern Next.js work.

Generic frontend screens often look similar and miss brand focus. This skill guides typography, color, motion, and depth choices for clearer interfaces.

Teams need consistent Drizzle ORM patterns for PostgreSQL projects. This skill provides schema, relation, query, mutation, transaction, and migration examples.

Database code often loses type safety when projects add migrations, relations, and raw SQL. This skill gives Claude and Codex practical Drizzle ORM patterns for PostgreSQL and edge deployments.

Inconsistent reviews miss defects and create unclear feedback. This skill gives Claude, Codex, and Claude Code a structured checklist for secure and maintainable pull request reviews.

Integration failures can block deployments through port conflicts, unavailable databases, or mismatched APIs. This skill provides a focused checklist for finding those problems early.

Inconsistent skill structure makes reviews and packaging harder. This auditor checks metadata, content, resources, and decomposition signals with repeatable rules.

WebSocket features often fail from missed heartbeats, weak reconnection, or unvalidated messages. This skill gives Claude, Codex, and Claude Code practical patterns for stable real-time connections.

TanStack Query mistakes can cause duplicate requests, stale cache data, and broken mutation states. This skill guides Claude, Codex, and Claude Code through focused checks for v5 query and mutation patterns.

Security mistakes often hide in key storage, caches, logs, and environment handling. This skill gives review checklists and safer patterns for those areas.

React UI work can miss loading states, validation, responsive layout, and accessibility details. This skill guides component reviews with concise React patterns and checklists.

Express APIs often fail through unclear routes, inconsistent status codes, and weak validation. This skill gives Claude, Codex, and Claude Code practical review patterns for REST endpoints.

Drizzle ORM schema mistakes can break migrations and weaken type safety. This skill guides Claude, Codex, and Claude Code toward safer patterns.

Blockchain integrations often fail through weak RPC handling, bad gas assumptions, or unsafe transaction flow. This skill gives Claude, Codex, and Claude Code focused review guidance for safer smart contract interactions.

DEX swaps can fail when liquidity depth, slippage, or price impact is unclear. This skill guides structured checks for pool depth, route quality, and trade sizing.