"""
模型定义包

提供六种模型：
- CaptchaClassifier: 调度分类器 (轻量 CNN, < 500KB)
- LiteCRNN: 轻量 CRNN (普通字符 + 算式, < 2MB)
- ThreeDCNN: 3D 文字验证码专用模型 (ResNet-lite + BiLSTM, < 5MB)
- RegressionCNN: 回归 CNN (3D 旋转 + 滑块, ~1MB)
- GapDetectorCNN: 滑块缺口检测 CNN (~1MB)
- RotationRegressor: 旋转角度回归 sin/cos 编码 (~2MB)
- FunCaptchaSiamese: FunCaptcha 专项 Siamese 匹配模型
"""

from models.classifier import CaptchaClassifier
from models.lite_crnn import LiteCRNN
from models.threed_cnn import ThreeDCNN
from models.regression_cnn import RegressionCNN
from models.gap_detector import GapDetectorCNN
from models.rotation_regressor import RotationRegressor
from models.fun_captcha_siamese import FunCaptchaSiamese

__all__ = [
    "CaptchaClassifier",
    "LiteCRNN",
    "ThreeDCNN",
    "RegressionCNN",
    "GapDetectorCNN",
    "RotationRegressor",
    "FunCaptchaSiamese",
]