refactor: remove legacy finance module

internal/core/ops/bootstrap.go

@@ -9,6 +9,7 @@ import (
 	"ops-assistant/internal/module/cfdav"
 	"ops-assistant/internal/module/cpa"
 	"ops-assistant/internal/module/mail"
+	"ops-assistant/internal/module/rate"
 	"ops-assistant/internal/module/sub"
 
 	"gorm.io/gorm"
@@ -20,12 +21,14 @@ func BuildDefault(db *gorm.DB, dbPath, baseDir string) *Service {
 	cpaModule := cpa.New(db, exec)
 	cfModule := cf.New(db, exec)
 	mailModule := mail.New(db, exec)
+	rateModule := rate.New()
 	cfdavModule := cfdav.New(db)
 	subModule := sub.New(db)
 
 	r.RegisterModule("cpa", cpaModule.Handle)
 	r.RegisterModule("cf", cfModule.Handle)
 	r.RegisterModule("mail", mailModule.Handle)
+	r.RegisterModule("rate", rateModule.Handle)
 	r.RegisterModule("cfdav", cfdavModule.Handle)
 	r.RegisterModule("sub", subModule.Handle)
 	return NewService(dbPath, baseDir, r)

internal/core/ops/service.go

@@ -41,7 +41,7 @@ func (s *Service) Handle(userID int64, text string) (bool, string) {
 	if cmd.Module == "ops" && len(cmd.Args) > 0 && cmd.Args[0] == "modules" {
 		return true, s.modulesStatusText()
 	}
-	if cmd.Module != "" && cmd.Module != "ops" && s.db != nil {
+	if cmd.Module != "" && cmd.Module != "ops" && cmd.Module != "rate" && s.db != nil {
 		if !coremodule.IsEnabled(s.db, cmd.Module) {
 			return true, fmt.Sprintf("[ERR_FEATURE_DISABLED] 模块未启用: %s（开关: enable_module_%s）", cmd.Module, cmd.Module)
 		}
@@ -65,6 +65,7 @@ func (s *Service) helpText() string {
 		"- /mail （邮箱状态）",
 		"- /cfdav （CFDAV 用户管理）",
 		"- /sub （订阅管理）",
+		"- /rate 138sgd to cny （实时汇率转换）",
 		"提示：发送 /cpa /cf /mail /cfdav /sub 获取各模块完整指令清单。",
 	}
 	return strings.Join(lines, "\n")