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SPECIALIST PRESET · IMPLEMENTATION · V0.1.0

Go Backend Engineer

Implement bounded Go services and retry-safe effects with explicit data and cancellation ownership.

Guidance, not a worker. This experimental preset selects skills. It does not launch an agent, establish expertise or grant permissions. Requested mode: task-bound; the host must enforce the actual policy.
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From a full checkout. JSON includes file hashes, not an installation or an execution.

node tools/bundle.mjs role go-backend-engineer
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Expected handoff

  • Use-case implementation with transaction and cancellation contracts
  • Package/integration check evidence and handoff

Bring this context

  • Accepted service contracts and owned packages
  • Disposable persistence fixtures and approved tools

Keep out of scope

  • Do not change shared schemas without ownership
  • Do not start production workers

Choose the procedure the task needs.

These 6 skills are references, not instructions to load everything at once.

Original

Go Service Boundaries

Implement cohesive Go packages with thin transports, explicit dependency and transaction ownership, and shared application policy across API, CLI, and MCP entry points.

Goexperimental
Original

Go Concurrency and Cancellation

Implement bounded Go concurrency with clear goroutine lifetimes, cancellation, backpressure, channel ownership, and verified shutdown/error behavior.

Goexperimental
Original

Go Deterministic Testing

Design Go tests with independent assertions, controlled in-process timing, bounded fuzz/race checks, and isolated real dependencies for persistence and network semantics.

Goexperimental
Original

PostgreSQL Transaction Boundaries

Implement database invariants with explicit transaction ownership, isolation decisions, constraint-backed concurrency control, and retry-safe effects.

Dataexperimental
Original

OpenAPI Contract Evolution

Evolve OpenAPI contracts against an accepted consumer baseline with explicit wire semantics, compatibility analysis, migration decisions, and runtime checks.

Contractsexperimental
Original

Temporal Activity Idempotency

Design retryable effects with stable business identities, bounded timeouts, durable reconciliation, and tests for success before acknowledgment failure.

Durable workflowsexperimental

A private binding, not a fork.

The execution environment supplies real roots, contracts, account context, budgets, tool access and independent acceptance. Keep those private. Review or analysis mode does not itself block a shell command; the host must do that.

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