TK Offline Readiness

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Offline troubleshooting trees and worksheets are available when the app shell is cached. OEM PDFs require separate caching; iOS may evict caches under storage pressure. A working online session does not guarantee offline readiness.

How to test

  1. While connected, open the Field Diagnostic Suite and select Cache all bundled manuals. Wait until all five report cached.
  2. Run the check above.
  3. Turn on Airplane Mode, then reopen this app from the Home Screen.
  4. Open an alarm tree, an OEM PDF, and your saved repair notes.
  5. Keep the deployment ZIP and a local-data backup in the iPhone Files app.

The PDF text-indexing engine is currently hosted externally. Importing/search-indexing new PDFs may not work offline until that library is bundled locally. Cloudflare Access authentication may also require an online session or reauthentication after expiry.