重命名 refs 为 algorithm_subprocesses，并清理误提交的权重与缓存文件。

算法子进程目录仅保留源码与配置；权重、样本 I/O、构建产物通过 .gitignore 离线交付。

Co-authored-by: Cursor <cursoragent@cursor.com>

.gitignore

@@ -56,6 +56,16 @@ backend/Ultralytics/
 # Large model weights (deploy via mount or offline delivery)
 backend/app/resources/actionformer_epoch_045.pth.tar
 
+# Algorithm subprocess bundles — runtime assets ignored via backend/algorithm_subprocesses/.gitignore
+backend/algorithm_subprocesses/**/weights/*
+!backend/algorithm_subprocesses/**/weights/.gitkeep
+backend/algorithm_subprocesses/**/input/*
+!backend/algorithm_subprocesses/**/input/.gitkeep
+backend/algorithm_subprocesses/**/output/*
+!backend/algorithm_subprocesses/**/output/.gitkeep
+backend/algorithm_subprocesses/**/data/*
+!backend/algorithm_subprocesses/**/data/.gitkeep
+
 # --- Clients ---
 clients/demo-client/.runtime/
 clients/demo-client/labels.json