2026-lang-self-hosted-pi

Spec-Driven Development workflow. Use when user asks to "create spec", "new spec", "approve spec", "implement spec", "/spec", or when starting work on any non-trivial change in a repository that uses docs/specs/. Enforces immutable numbering, status lifecycle (Draft → Approved → In Progress → Implemented → Deprecated), and index synchronization.

Enforces the shared HTTP API contract defined in spec 0002. Use when implementing or reviewing any endpoint handler in servers/go, servers/rust, servers/python, servers/nodejs, or servers/dotnet. Trigger phrases: "implement endpoint", "add handler", "api contract", "/api-contract", or when editing any handlers.* or routes.* file in the servers/ directory.

Reproducibility rules, CSV schema, and measurement procedures for the benchmark defined in spec 0009. Use when implementing or reviewing files in benchmark/ or scripts/. Trigger phrases: "benchmark", "harness", "wrk", "rps_per_mb", "/benchmark-harness".

Patterns and anti-patterns for the .NET 10 Minimal API + Native AOT server defined in spec 0008. Use when implementing or reviewing any file in servers/dotnet/. Trigger phrases: "dotnet server", "csharp server", "native aot", "minimal api", "/server-dotnet".

Patterns and anti-patterns for the Go net/http server defined in spec 0004. Use when implementing or reviewing any file in servers/go/. Trigger phrases: "go server", "net/http", "modernc sqlite", "/server-go".

Patterns and anti-patterns for the Node.js/Fastify server defined in spec 0007. Use when implementing or reviewing any file in servers/nodejs/. Trigger phrases: "nodejs server", "fastify", "better-sqlite3", "/server-nodejs".

Patterns and anti-patterns for the Python/FastAPI + granian server defined in spec 0006. Use when implementing or reviewing any file in servers/python/. Trigger phrases: "python server", "fastapi", "granian", "/server-python".

Patterns and anti-patterns for the Rust/Axum server defined in spec 0005. Use when implementing or reviewing any file in servers/rust/. Trigger phrases: "rust server", "axum", "sqlx", "/server-rust".