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from pathlib import Path
from pydantic import BaseModel, Field, ConfigDict
class AppSettings(BaseModel):
"""Configuración tipada de la app, cargable por variables de entorno (prefijo LLAMA_DEV_)."""
model_config = ConfigDict(env_prefix="LLAMA_DEV_", arbitrary_types_allowed=True)
OLLAMA_URL: str = Field(default="http://127.0.0.1:11434")
MAX_FILE_SIZE: int = Field(default=25 * 1024 * 1024, description="Tamaño máximo por archivo (bytes)")
MAX_TOTAL_UPLOAD: int = Field(default=100 * 1024 * 1024, description="Tamaño máximo total de archivos (bytes)")
MAX_CHARS_PER_FILE: int = 40_000
MAX_CHAT_TURNS: int = 20
CONTEXT_HISTORY_TURNS: int = 5
HOST: str = "127.0.0.1"
PORT: int = 7860
CHAT_SAVE_PATH: Path = Path("./saved_chats")
CACHE_RESPONSES: bool = True
CACHE_MAX_ITEMS: int = 128
settings = AppSettings()
settings.CHAT_SAVE_PATH.mkdir(parents=True, exist_ok=True)
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