fix: 修改批量删除会话方式

- 从逐条单个删除改为官方的批量删除接口
- 单个删除函数保留备用

internal/admin/deps.go

@@ -42,7 +42,7 @@ type DeepSeekCaller interface {
 	GetPow(ctx context.Context, a *auth.RequestAuth, maxAttempts int) (string, error)
 	CallCompletion(ctx context.Context, a *auth.RequestAuth, payload map[string]any, powResp string, maxAttempts int) (*http.Response, error)
 	GetSessionCountForToken(ctx context.Context, token string) (*deepseek.SessionStats, error)
-	DeleteAllSessionsForToken(ctx context.Context, token string) (int, error)
+	DeleteAllSessionsForToken(ctx context.Context, token string) error
 }
 
 var _ ConfigStore = (*config.Store)(nil)

internal/admin/handler_accounts_testing.go

@@ -245,11 +245,11 @@ func (h *Handler) deleteAllSessions(w http.ResponseWriter, r *http.Request) {
 	}
 
 	// 删除所有会话
-	deleted, err := h.DS.DeleteAllSessionsForToken(r.Context(), token)
+	err := h.DS.DeleteAllSessionsForToken(r.Context(), token)
 	if err != nil {
-		writeJSON(w, http.StatusOK, map[string]any{"success": false, "message": "删除失败: " + err.Error(), "deleted": deleted})
+		writeJSON(w, http.StatusOK, map[string]any{"success": false, "message": "删除失败: " + err.Error()})
 		return
 	}
 
-	writeJSON(w, http.StatusOK, map[string]any{"success": true, "deleted": deleted, "message": fmt.Sprintf("成功删除 %d 个会话", deleted)})
+	writeJSON(w, http.StatusOK, map[string]any{"success": true, "message": "删除成功"})
 }

internal/admin/handler_accounts_testing_test.go

@@ -39,8 +39,8 @@ func (m *testingDSMock) CallCompletion(_ context.Context, _ *auth.RequestAuth, _
 	return nil, errors.New("should not call CallCompletion in this test")
 }
 
-func (m *testingDSMock) DeleteAllSessionsForToken(_ context.Context, _ string) (int, error) {
-	return 0, nil
+func (m *testingDSMock) DeleteAllSessionsForToken(_ context.Context, _ string) error {
+	return nil
 }
 
 func (m *testingDSMock) GetSessionCountForToken(_ context.Context, _ string) (*deepseek.SessionStats, error) {