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View Transitions API patterns - same-document transitions, cross-document MPA transitions, shared element animations, pseudo-element styling, accessibility

Fornece diretrizes de uso de gRPC, organização de protobuf e padrões prontos para produção para microsserviços Golang. Utilize ao implementar, revisar ou depurar servidores/clientes gRPC, escrever arquivos proto, configurar interceptadores, lidar com erros gRPC, configurar TLS/mTLS, testar com bufconn ou trabalhar com RPCs de streaming.

Supabase backend-as-a-service — Auth, Database, Realtime, Storage, Edge Functions, RLS policies, typed client

Use when encountering ANY bug, test failure, unexpected behavior, or error — before proposing fixes. Also use when someone says 'fix this', 'it's broken', 'not working', 'debug', or when a test fails. ESPECIALLY use when under time pressure, when you've already tried a fix that didn't work, or when 'just one quick fix' seems obvious. Never skip this for simple-seeming bugs.

Secure NATS, RabbitMQ, Kafka, and similar message buses against misconfiguration and cross-tenant leakage. Covers account or vhost isolation, deny-default subject and topic permissions, producer and consumer authentication, replay protection, consumer-side idempotency, and encryption in transit and at rest. Invoke when introducing a bus, adding multi-tenancy, or after a cross-tenant message-leakag

Configure email authentication so legitimate mail lands and spoofed mail is blocked. Covers SPF, DKIM, DMARC (with the p=none → p=quarantine → p=reject migration path), MTA-STS, TLS-RPT, ARC, and BIMI. Invoke when launching a new sending domain, when domains are being spoofed, or when transactional email is landing in spam.

Use when the user asks to check a plugin or skill with behavioral evals, compare it with HEAD, or investigate a behavioral regression.

Use ao gerar apresentações de slides de nível consultoria, apresentações estilo MBB, ou qualquer apresentação de negócios que exija narrativas com títulos de ação, estrutura de princípio da pirâmide, itens MECE e um sistema visual editorial limpo, renderizado em um arquivo .pptx real.

Implementa injeção de dependência em Golang usando samber/do. Utilize esta skill para injeção de dependência, configuração de containers de serviço, gerenciamento de ciclo de vida, refatoração, verificações de saúde, desligamento gracioso ou organização de serviços em escopos/módulos, especialmente com github.com/samber/do/v2.

Together AI SDK patterns for TypeScript — client setup, chat completions, streaming, structured output, function calling, embeddings, image generation, fine-tuning, and OpenAI-compatible endpoints

Service Worker lifecycle, caching strategies, offline patterns, update handling, precaching, runtime caching

PostHog event tracking, user identification, group analytics for B2B, GDPR consent patterns. Use when implementing product analytics, tracking user behavior, setting up funnels, or configuring privacy-compliant tracking.