[DAI] Hollow Spiral (Data)

# Hollow Spiral v0.4.2

## DAI 1.9.9 Compatibility Update

- Updated Hollow Spiral for **DAI 1.9.9**.
- Synchronized the DataPack release with the companion Resource Pack.
- Added current DAI managed-pack metadata for automatic version handling.
- Preserved compatibility with existing Hollow Spiral worlds.

## Branding Corrections

- Standardized all player-facing branding to **Hollow Spiral**.
- Removed remaining visible references to the incorrect **Hollow Spire** name.
- Corrected the new-save identity to:
  - **The Hollow Spiral**
- Updated pack descriptions and player-facing text to use the correct name consistently.

## Existing World Compatibility

- Existing Hollow Spiral saves remain discoverable.
- Existing experience markers remain compatible.
- Existing internal compatibility identifiers were preserved where changing them would break:
  - Functions
  - Models
  - Resource references
  - Existing saves
- The legacy internal `hollow_spire` namespace remains intentionally retained as a compatibility key only.

## Resource Pack Integration

- Updated title-screen and GUI references for the synchronized v0.4.x Resource Pack.
- Preserved existing gameplay, world progression, functions, and Hollow Spiral content.
- Added proper references for the repaired loading-screen branding assets.
- Added proper references for the complete title-screen icon set.

## v0.4.1 Hotfix Integration

- Corrected missing loading-screen resource dependencies.
- The following referenced GUI assets are now provided by the companion Resource Pack:
  - `loading_background.png`
  - `loading_logo.png`

## v0.4.2 Title Screen Fix

- Fixed missing textures on Hollow Spiral title-screen buttons.
- Existing button actions and layout remain unchanged.
- Corrected resource integration for:
  - Descend
  - Resume
  - Worlds
  - Packs
  - Options
  - Quit