first commit: TTS Book Service with MiMo TTS integration

app/config.py

@@ -0,0 +1,21 @@
+import os
+
+BASE_DIR = os.path.dirname(os.path.abspath(__file__))
+
+# 小米 MiMo TTS API 配置
+MIMO_API_ENDPOINT = os.environ.get(
+    "MIMO_API_ENDPOINT", "https://api.xiaomimimo.com/v1/chat/completions"
+)
+MIMO_API_KEY = os.environ.get("MIMO_API_KEY", "")
+MIMO_TTS_MODEL = os.environ.get("MIMO_TTS_MODEL", "mimo-v2-audio-tts")
+MIMO_VOICE = os.environ.get("MIMO_VOICE", "mimo_default")
+
+# 服务器配置
+SERVER_HOST = os.environ.get("SERVER_HOST", "0.0.0.0")
+SERVER_PORT = int(os.environ.get("SERVER_PORT", "17200"))
+
+# 音频存储目录
+AUDIO_DIR = os.environ.get("AUDIO_DIR", os.path.join(BASE_DIR, "audio"))
+
+# 数据库
+DATABASE_URL = os.environ.get("DATABASE_URL", "sqlite+aiosqlite:///./data/tts.db")