[DAI] Echo Time (Data)

# EchoTime v1.4.0
## DAI Engine 4.1

### DAI 4.1 Authority Compatibility
- Updated EchoTime metadata and current documentation for DAI Engine 4.1.
- Added stable `dai.pack_id: dai_time_reverse` metadata while preserving the existing addon ID.

### Interactive Authority
- Updated all four DAI interactive definitions to explicitly allow only the player-facing `use` event.
- EchoTime interactives now pass through DAI 4.1's server-authority gate.
- Client requests no longer rely on trusted-datapack status alone to invoke server-side interactive behavior.

### Gameplay Preservation
- Preserved all four EchoTime ability items.
- Preserved temporal history limits.
- Preserved cooldown behavior.
- Preserved rewind behavior.
- Preserved freeze behavior.
- Preserved World of Addons recognition IDs.
- No persistent-state migration or reset is required.