init: add codes

model/utils.go

@@ -0,0 +1,19 @@
+package model
+
+import "strings"
+
+const (
+	SeparatorThink = "</think>"
+)
+
+func CutLast(txt, sep string) string {
+	a := strings.LastIndex(txt, sep)
+	if a < 0 {
+		return ""
+	}
+	a += len(sep)
+	if a >= len(txt) {
+		return ""
+	}
+	return strings.TrimSpace(txt[a:])
+}