Add Tauri integration and server management features. Introduced auto-start functionality for the bundled server in Tauri environment, added configuration management for data directories, and refactored backend components to utilize the new config module. Updated dependencies and improved project structure for better organization.

backend/main.py

@@ -17,13 +17,10 @@ import tempfile
 from pathlib import Path
 import uuid
 
-from . import database, models, profiles, history, tts, transcribe
-from .database import get_db, init_db, Generation as DBGeneration, VoiceProfile as DBVoiceProfile
+from . import database, models, profiles, history, tts, transcribe, config
+from .database import get_db, Generation as DBGeneration, VoiceProfile as DBVoiceProfile
 from .utils.progress import get_progress_manager
 
-# Initialize database
-init_db()
-
 app = FastAPI(
     title="voicebox API",
     description="Production-quality Qwen3-TTS voice cloning API",
@@ -269,7 +266,7 @@ async def generate_speech(
         
         # Save audio
         generation_id = str(uuid.uuid4())
-        audio_path = history.GENERATIONS_DIR / f"{generation_id}.wav"
+        audio_path = config.get_generations_dir() / f"{generation_id}.wav"
         
         from .utils.audio import save_audio
         save_audio(audio, str(audio_path), sample_rate)
@@ -740,10 +737,23 @@ if __name__ == "__main__":
         default=8000,
         help="Port to bind to",
     )
+    parser.add_argument(
+        "--data-dir",
+        type=str,
+        default=None,
+        help="Data directory for database, profiles, and generated audio",
+    )
     args = parser.parse_args()
 
+    # Set data directory if provided
+    if args.data_dir:
+        config.set_data_dir(args.data_dir)
+
+    # Initialize database after data directory is set
+    database.init_db()
+
     uvicorn.run(
-        "main:app",
+        "backend.main:app",
         host=args.host,
         port=args.port,
         reload=False,  # Disable reload in production