fix(library): fetch full library via paginated apps query

[zortos293]

This PR adds cursor-based pagination to the library fetch to resolve the 40-game limit reported in #532.

• Adds paginatedApps.ts with fetchAllAppsPages helper to traverse hasNextPage cursors.
• Implements fetchPaginatedLibraryApps using the official apps query filtered by library.status != "NOT_OWNED".
• Fetches 200 items per page for up to 25 pages to support full libraries.
• Falls back to existing panel query if pagination fails.
• Preserves isInLibrary and lastPlayed flags during metadata enrichment.

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Note

Medium Risk
Changes core library loading and GraphQL behavior; fallback limits user impact, but very large libraries could still fail at the 25-page cap.

Overview
Fixes the ~40-game library cap by loading the user library through the GFN apps GraphQL query with cursor pagination instead of relying only on the LIBRARY panel.

A new fetchAllAppsPages helper walks hasNextPage / endCursor (200 items per page, up to 25 pages) and throws if the page limit is hit so results are not silently truncated. Library fetch filters to owned titles (library.status != NOT_OWNED) and uses the existing last-played sort order.

fetchLibraryGamesUncached tries this path first, then falls back to the panel query on failure. mergeAppMetaIntoGame now keeps library flags (isInLibrary, lastPlayed, per-variant library fields) when metadata enrichment overwrites app data.

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[chatgpt-codex-connector]

Bump the library cache key for paginated results

For users who already have a games:library cache written by the previous panel-based fetch, fetchLibraryGames returns that cached array before this new paginated path is ever reached, and the cache key/version is unchanged. Because loadFromCache returns cached data even when it is expired, the old 40-game library can continue to be shown after upgrade until a manual/forced refresh rewrites it; bump or invalidate the library cache when switching to the paginated result format.

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