"""Mock 宿主（tests/mock_host，可 import 包）。

MockHostAdapter 是未来 Oak / Resolve / Premiere 适配层的验收替身
（计划文档 §3.3 / §7）：内存时间线模型 + 快照补偿 + 限流模拟 + 真实 PNG 取帧。
"""
from quercus_core.host.errors import EntityNotFound, HostError, RateLimited

from mock_host.effects import MOCK_EFFECT_TYPES
from mock_host.frames import decode_png, frame_is_black, render_footage_frame
from mock_host.host import MockHostAdapter
from mock_host.model import (
    MockClip,
    MockEffect,
    MockFootage,
    MockMarker,
    MockProject,
    MockSequence,
    MockSnapshot,
    MockState,
    MockTrack,
)

__all__ = [
    "MockHostAdapter",
    "MOCK_EFFECT_TYPES",
    "MockClip",
    "MockEffect",
    "MockFootage",
    "MockMarker",
    "MockProject",
    "MockSequence",
    "MockSnapshot",
    "MockState",
    "MockTrack",
    "render_footage_frame",
    "frame_is_black",
    "decode_png",
    "EntityNotFound",
    "HostError",
    "RateLimited",
]