Feat: add infinite query options

[minchodang]

Changes

This PR adds the infiniteQueryOptions helper method to openapi-react-query, resolving #2462.

What's Added:

• New infiniteQueryOptions method in the client API
• Type-safe support for TanStack Query's Infinite Query Options
• Comprehensive documentation at docs/openapi-react-query/infinite-query-options.md
• Unit tests covering pagination scenarios

Implementation Details:

• Added InfiniteQueryOptionsFunction type with full type inference for pageParam, InfiniteData, and select return types
• infiniteQueryOptions returns ready-to-use options for useInfiniteQuery, usePrefetchInfiniteQuery, QueryClient.fetchInfiniteQuery, and other infinite query APIs
• Supports customizable page parameter name via pageParamName option (defaults to "cursor")
• Reuses the library's existing queryKey convention for consistency

Why This Matters:

Previously, openapi-react-query provided excellent ergonomics for standard queries through queryOptions and useQuery, but lacked first-class support for infinite queries. Users had to hand-roll option objects and type definitions for cursor/offset pagination use cases.

This addition:

• Brings feature parity with TanStack Query v5's options helpers
• Reduces boilerplate and type-casting for paginated endpoints
• Improves type-safety around pageParam and InfiniteData
• Enables users to leverage any TanStack Query infinite query API not explicitly wrapped by this library
• Aligns with existing DX patterns established by queryOptions

How to Review

1. Implementation: Review the infiniteQueryOptions function and type definitions in packages/openapi-react-query/src/index.ts:

   • Type inference for pageParam via InferPageParamType
   • Pagination logic that merges pageParam into query params
   • Consistency with existing queryOptions implementation

2. Tests: Check test coverage in packages/openapi-react-query/test/ for:

   • Type inference validation
   • getNextPageParam/getPreviousPageParam behavior
   • Integration with useInfiniteQuery

3. Documentation: Review docs/openapi-react-query/infinite-query-options.md for:

   • Clear API explanation and usage examples
   • Consistency with other documentation (compare with query-options.md)
   • Practical examples showing usage with useInfiniteQuery and usePrefetchInfiniteQuery

4. Navigation: Verify the new page is properly integrated in .vitepress/en.ts

Checklist

• Unit tests updated
• docs/ updated
• pnpm run update:examples run (N/A - only applicable for openapi-typescript)

---

Closes #2462

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[minchodang]

@htunnicliff
hello.
i want to review my code ㅜㅜ.

[AgarkovDmitry]

Hey, there we are also interested in these updates, can we somehow proceed with this?

@htunnicliff