chore: initialize lhbfx project and documentation

backend/scripts/rematch_traders.py

@@ -0,0 +1,16 @@
+from __future__ import annotations
+
+from _bootstrap import add_src_to_path
+
+add_src_to_path()
+
+from lhbfx.pipeline import rematch_traders
+
+
+def main() -> None:
+    result = rematch_traders()
+    print(f"重新匹配完成，处理记录数: {result['updated']}")
+
+
+if __name__ == "__main__":
+    main()