diff --git a/services/context/context_template.go b/services/context/context_template.go
index aa07c83430..d3e60e35cd 100644
--- a/services/context/context_template.go
+++ b/services/context/context_template.go
@@ -17,6 +17,10 @@ import (
 	"code.gitea.io/gitea/services/webtheme"
 )
 
+// TemplateContext is a map that holds template rendering context data
+// and implements context.Context for passing request-scoped values.
+type TemplateContext map[string]any
+
 var _ context.Context = TemplateContext(nil)
 
 func NewTemplateContext(ctx context.Context, req *http.Request) TemplateContext {