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"""IRouterLM Configuration - RAG Strategy Router Model Configuration."""
from transformers import PretrainedConfig
STRATEGY_NAMES = [
"MULTIMODAL_RERANK",
"MULTIMODAL-SINGLE",
"TEXT_RERANK",
"TEXT-SINGLE",
]
class IRouterLMConfig(PretrainedConfig):
"""Configuration for IRouterLM - a RAG strategy router model."""
model_type = "irouterlm"
def __init__(
self,
base_model_name: str = "Qwen/Qwen3-0.6B-Base",
hidden_size: int = 1024,
num_labels: int = 4,
classifier_dropout: float = 0.1,
strategy_names: list = None,
**kwargs,
):
super().__init__(num_labels=num_labels, **kwargs)
self.base_model_name = base_model_name
self.hidden_size = hidden_size
self.classifier_dropout = classifier_dropout
self.strategy_names = strategy_names or STRATEGY_NAMES
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