go-common中增加mcp抽离成通用方法(编排由业务方自行处理)

factory/options.go

@@ -4,6 +4,7 @@ import (
 	"git.toowon.com/jimmy/go-common/email"
 	"git.toowon.com/jimmy/go-common/i18n"
 	"git.toowon.com/jimmy/go-common/logger"
+	"git.toowon.com/jimmy/go-common/mcp"
 	"git.toowon.com/jimmy/go-common/middleware"
 	"git.toowon.com/jimmy/go-common/sms"
 	"git.toowon.com/jimmy/go-common/storage"
@@ -66,3 +67,10 @@ func WithMiddlewareChain(c *middleware.Chain) Option {
 		f.chain = c
 	}
 }
+
+// WithMCP 注入自定义 MCP 管理器（如测试用的 fake 实现）
+func WithMCP(m mcp.Manager) Option {
+	return func(f *Factory) {
+		f.mcp = m
+	}
+}