JSON Validation

Added

JSON Validator

• Validator Page (/validator) - Full-featured JSON validator with txAdmin support
  • Generic JSON syntax validation with formatted output
  • txAdmin Discord embed JSON validation with field-level issue reporting
  • txAdmin embed config JSON validation (status strings, colors, buttons)
  • Collapsible sidebar with validation mode selector, quick templates, and txAdmin placeholder reference
  • Click-to-insert txAdmin placeholders ({{serverName}}, {{statusString}}, etc.)
  • Format/prettify and clear actions with keyboard shortcut (Ctrl+Enter)
  • Client-side fallback validation when the backend API is unreachable
  • Mobile-responsive layout with dropdown validation type selector
  • Suspense loading state with progress indicator
• Validator Layout - SEO metadata for /validator with Open Graph tags
• Navigation - Added JSON Validator to the Resources menu in the nav bar with Braces icon
• API Route Documentation - Added validator endpoint to the API index route

Changed

Data Fetching & Artifacts

• useFetch Hook - Migrated from manual useState/useEffect/AbortController to TanStack Query (useQuery)
  • Automatic request deduplication, caching, and background refetching
  • Simplified error handling with typed errors (E = Error)
  • Query keys derived from URL and dependency array for proper cache invalidation
  • Removed manual abort controller management (handled by TanStack Query)
• GitHubFetcher - Migrated from Axios to native fetch API
  • Removed axios dependency entirely
  • Consolidated request logic into a single private request<T>() method
  • Uses native AbortController with configurable timeout
  • Proper rate limit tracking via Headers.get() instead of raw header objects
  • Improved error handling for 304 Not Modified responses
  • Cleaner POST/PUT/DELETE methods delegating to the shared request method
• Query Provider - Added TanStack Query provider for useFetch integration