ABI Pins

The following exported constants from @rezi-ui/core must stay aligned with the engine pins.

Version Pins

Constant	Value	Notes
ZR_ENGINE_ABI_MAJOR	1	Engine ABI major
ZR_ENGINE_ABI_MINOR	2	Engine ABI minor
ZR_ENGINE_ABI_PATCH	0	Engine ABI patch
ZR_DRAWLIST_VERSION_V1	1	ZRDL v1
ZR_EVENT_BATCH_VERSION_V1	1	ZREV v1
ZR_UNICODE_VERSION_MAJOR	15	Unicode major
ZR_UNICODE_VERSION_MINOR	1	Unicode minor
ZR_UNICODE_VERSION_PATCH	0	Unicode patch

Magic Values

Constant	Value	Meaning
ZRDL_MAGIC	0x4c44525a	ZRDL
ZREV_MAGIC	0x5645525a	ZREV

Drawlist Version Rule

Rezi currently exports and emits drawlist v1. The engine-side pins additionally accept ZR_DRAWLIST_VERSION_V2 for native validation.

Result Codes

Engine calls return ZrResult:

• OK = 0
• ERR_INVALID_ARGUMENT = -1
• ERR_OOM = -2
• ERR_LIMIT = -3
• ERR_UNSUPPORTED = -4
• ERR_FORMAT = -5
• ERR_PLATFORM = -6