Loader Revalidation on Search Parameter Changes — Missing Debounce or Conditional Skip Configuration

Context

React Router v6.4+ loaders automatically re-execute when URL search parameters change, which provides shareable, history-backed pagination state. However, the framework does not expose a built-in mechanism to debounce rapid parameter updates, batch multiple changes into a single loader invocation, or conditionally skip re-fetching when the resulting data would be identical.

Constraint

A pagination interface allows users to adjust page number, page size, sort column, and filter values — each stored as a separate search parameter. Rapid interactions (e.g., clicking "next page" multiple times, or changing sort then filter in quick succession) trigger a loader execution per navigation. Without a cancellation or deduplication layer, each execution runs the full server-side query, increasing database load and risking race conditions where an earlier request resolves after a later one.

Goal

Define a pattern that limits loader re-execution to the final parameter set within a short time window, or skips the loader entirely when the effective pagination key (page, limit, sort, filter hash) has not changed, while preserving SSR hydration correctness and browser history semantics.

Questions

1. Can a custom shouldRevalidate function on the route reliably suppress loader calls for intermediate parameter states without breaking SSR hydration?
2. Is wrapping the loader's data fetch in an AbortController tied to a client-side debounce timer the only way to cancel in-flight requests, or does React Router provide a navigation-level cancellation signal?
3. How should the deduplication key be structured when useSearchParams updates replace the entire query string, requiring manual preservation of unrelated parameters?