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config.py

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+"""Shared configuration loaded from .env for the Minecraft friend agent."""
+
+from __future__ import annotations
+
+import os
+from dataclasses import dataclass
+
+from dotenv import load_dotenv
+
+load_dotenv()
+
+
+@dataclass(frozen=True)
+class Settings:
+    groq_api_key: str | None = os.getenv("GROQ_API_KEY")
+    main_model: str = os.getenv("MAIN_MODEL", "groq/openai/gpt-oss-120b")
+    sub_model: str = os.getenv("SUB_MODEL", "groq/openai/gpt-oss-20b")
+
+    persona_name: str = os.getenv("PERSONA_NAME", "Spruce")
+    poll_seconds: float = float(os.getenv("POLL_SECONDS", "2"))
+    idle_chitchat_seconds: float = float(os.getenv("IDLE_CHITCHAT_SECONDS", "90"))
+
+    mcp_minecraft_host: str = os.getenv("MCP_MINECRAFT_HOST", "127.0.0.1")
+    mcp_minecraft_port: int = int(os.getenv("MCP_MINECRAFT_PORT", "25565"))
+    bot_username: str = os.getenv("BOT_USERNAME", "Bot1")
+
+
+SETTINGS = Settings()