TIFE Walkthrough Installer Support is now installed.
What changed
- Adds walkthrough to the TIFE package manifest contract.
- Accepts walkthrough, walkthrough_file, or documents.walkthrough.
- Validates that the walkthrough file exists before installation.
- Supports HTML, TXT, Markdown, and PDF walkthroughs.
- Installs walkthrough files with the story under /tife-games/<slug>/<version>/.
- Returns walkthrough path and URL in installer results.
- Shows Walkthrough status/link in the Admin TIFE Installer.
- Adds a Walkthrough button to the TIFE runtime when a story provides one.
- Updates the shared TIFE runtime to v3.2.1.
