Build or modify Django and Django REST Framework applications using the user's preferred service-oriented structure. Use when working on Django settings, Pydantic environment validation, PostgreSQL, DRF APIs without viewsets, serializers, services, schemas, constants, media/static storage, Docker, tests, migrations, or drf-spectacular OpenAPI docs.
Build or modify microservice architectures. Use when adding service-to-service calls, service manifests, permission contracts, service registration, frontend client manifests, dedicated auth/accounts frontends, generated clients, API contracts, or centralized authentication and authorization across services.
Apply the user's general application-building defaults across stacks. Use when building, refactoring, or reviewing apps where language-specific skills may also apply, especially for default Rust backends and Angular frontends, design inspiration, Tailwind styling, structure, event logging, routes/services/libs/models boundaries, PostgreSQL, Temporal, Docker and image registries, CI, releases, JWTs, docs, observability, OpenAPI, permissions, generated clients, tests, or app-wide conventions.
Build or modify Python applications using the user's preferred Python defaults. Use when working on Python services, src-layout packages, uv projects, typed functions, Ruff, Pyright, pytest, configuration, service-layer business logic, dependency groups, or Python app structure.
Build or modify Rust backend applications using the user's preferred structure and defaults. Use when working on Rust APIs, backend services, app scaffolding, routes, services, dependency integrations, models, Toasty CLI migrations, OpenAPI, validation, observability, event logging, tests, or Makefile-driven Rust workflows.
Build or modify standalone TypeScript Fastify applications using the user's preferred backend structure and defaults. Use when working on TypeScript APIs, Fastify routes, services, dependency integrations, models, validation, OpenAPI schemas, errors, Bun or Node runtime setup, observability, tests, Biome, or strict TypeScript app setup.