build:移除 blackfriday 依赖

- 从 go.mod 中删除了 github.com/russross/blackfriday/v2 v2.1.0
- 从 go.sum 中删除了相关的 blackfriday 版本信息

go.mod

@@ -6,7 +6,6 @@ require (
 	github.com/gin-contrib/cors v1.7.2
 	github.com/gin-contrib/gzip v1.0.1
 	github.com/gin-gonic/gin v1.10.0
-	github.com/russross/blackfriday/v2 v2.1.0
 	github.com/sashabaranov/go-openai v1.36.0
 	github.com/spf13/pflag v1.0.5
 	github.com/weibaohui/kom v0.1.6

go.sum

@@ -145,7 +145,6 @@ github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRI
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rogpeppe/go-internal v1.12.0 h1:exVL4IDcn6na9z1rAb56Vxr+CgyK3nn3O+epU5NdKM8=
 github.com/rogpeppe/go-internal v1.12.0/go.mod h1:E+RYuTGaKKdloAfM02xzb0FW3Paa99yedzYV+kq4uf4=
-github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/sashabaranov/go-openai v1.36.0 h1:fcSrn8uGuorzPWCBp8L0aCR95Zjb/Dd+ZSML0YZy9EI=
 github.com/sashabaranov/go-openai v1.36.0/go.mod h1:lj5b/K+zjTSFxVLijLSTDZuP7adOgerWeFyZLUhAKRg=