issue: 删除对话后后台统计清零

[imzrme]

Check Existing Issues

• I have searched the existing issues and discussions.
• I am using the latest version of Open WebUI.

Installation Method

Git Clone

Open WebUI Version

0.0.1

Ollama Version (if applicable)

No response

Operating System

Debian13

Browser (if applicable)

No response

Confirmation

• I have read and followed all instructions in README.md.
• I am using the latest version of both Open WebUI and Ollama.
• I have included the browser console logs.
• I have included the Docker container logs.
• I have listed steps to reproduce the bug in detail.

Expected Behavior

在对话删除前 后台是有统计数据的

Actual Behavior

删除对话后 所有记录都消失了 这个应该是持久化储存的数据吧

Steps to Reproduce

打开halowebui对话，查看数据分析然后删除对话，再次查看数据分析

Logs & Screenshots

Additional Information

No response

[imzrme]

token的实际计算好像偏差很大 在官方的后台提示差不多有四次请求但是实际计算只计入一次

[imzrme]

html格式输出会把代码换行去除 暗黑模式下部分字体不显示