mir-backend-go-fiber

Make It Right (Fiber module). Fiber web framework reliability augmentation for Go backends, covering Fiber v3 (current) and v2 (still patched). Chains: mir-backend (generic gates) -> mir-backend-go (Go runtime) -> this (Fiber library mechanics). Adds the mechanical footguns the runtime-agnostic tiers omit: fiber.Ctx and every value read from it (Body, Params, Query, Headers) are pooled and reused after the handler…