Trailing slash handling modes in Ktor Server 2.x

Ktor Server 2.x does not automatically normalize trailing slashes in route matching; the TrailingSlash plugin must be explicitly configured to either redirect requests or handle path variations, and no default behavior enforces one convention across all endpoints. This configuration gap affects API consistency, client error handling, and the accuracy of generated documentation for versioned services. Developers must decide whether to normalize paths at the routing level or rely on client-side adjustments, with no framework-enforced default to guide the choice.

The interaction between engine threading models and path parameter resolution further complicates predictable behavior when slashes vary.

1. What are the trade-offs between redirect and handle modes for API path normalization?
2. How does trailing slash configuration affect route matching in nested or versioned route groups?
3. Which approach minimizes client errors without introducing unnecessary redirect loops?