初始提交：识流 AI 助手项目

微信自动回复机器人，基于截图+OCR识别消息，支持关键词规则和 AI（OpenAI/DeepSeek/Dify）自动回复。
技术栈：PySide6 + Flask + Vue3 + RapidOCR + SQLite

注：OCR大模型文件（.onnx / .pdiparams）不纳入版本控制，需单独下载。

🤖 Generated with [Qoder][https://qoder.com]

app/infrastructure/backend.py

@@ -0,0 +1,25 @@
+
+from app.infrastructure.service.backend.config import app
+from app.infrastructure.service.backend.db import init_db
+from app.infrastructure.router.backend_routes import register_routes
+from app.infrastructure.service.logging.log_service import init_logging, log_event, new_trace_id
+
+
+init_logging()
+register_routes(app)
+
+
+def init_backend():
+    trace_id = new_trace_id("backend")
+    try:
+        init_db()
+        log_event("INFO", "db", "db.init", trace_id, "boot", "ok", "数据库初始化成功")
+    except Exception as err:
+        log_event("ERROR", "db", "db.error", trace_id, "boot", "fail", "数据库初始化失败", reason=type(err).__name__)
+        raise
+    return app
+
+
+def start_backend(host="127.0.0.1", port=5000, threaded=True):
+    backend_app = init_backend()
+    backend_app.run(host=host, port=port, threaded=threaded)