feat: 添加日志表格输出速度 (tokens/s) 计算字段

[Zhenyi-Wang]

Summary

• 在 /console/log 使用日志表格中新增「速度」列，显示 LLM 输出的 tokens/s 指标
• 计算公式：completion_tokens / (use_time - frt/1000)，即输出 token 数除以首字后的生成耗时
• 表头附带 help 图标，hover 显示计算公式说明
• 补全 7 种语言（zh-CN、en、zh-TW、ja、fr、ru、vi）的国际化翻译

Closes #717

Changes

文件	说明
UsageLogsColumnDefs.jsx	新增 speed 列定义（表头 + render）
useUsageLogsData.jsx	COLUMN_KEYS、可见性配置、预计算 speed
web/src/i18n/locales/*.json	7 个语言文件添加翻译

Test plan

• 访问 /console/log，确认「速度」列显示在「输出」和「花费」之间
• 流式请求：speed = completion_tokens / (use_time - frt)，数值正确
• 非流式请求：frt 为 0，speed = completion_tokens / use_time
• frt >= use_time 时显示 -
• 非消费类型日志（充值/管理/系统）不显示
• 切换语言，确认翻译正确显示

Summary by CodeRabbit

• New Features
  • Added an output "Speed" column to the usage logs table showing tokens/sec (output tokens ÷ (total time − time to first token)). Displayed only for applicable record types; shows a placeholder when speed is missing or non-positive. Column enabled by default.
  • Added translations for the new label and help text in EN, FR, JA, RU, VI, ZH‑CN, and ZH‑TW.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 98207903-214c-405b-87da-13fa327c5acf

📥 Commits

Reviewing files that changed from the base of the PR and between d85dd67 and 25077e7.

📒 Files selected for processing (9)

• web/src/components/table/usage-logs/UsageLogsColumnDefs.jsx
• web/src/hooks/usage-logs/useUsageLogsData.jsx
• web/src/i18n/locales/en.json
• web/src/i18n/locales/fr.json
• web/src/i18n/locales/ja.json
• web/src/i18n/locales/ru.json
• web/src/i18n/locales/vi.json
• web/src/i18n/locales/zh-CN.json
• web/src/i18n/locales/zh-TW.json

✅ Files skipped from review due to trivial changes (7)

• web/src/i18n/locales/zh-CN.json
• web/src/i18n/locales/ja.json
• web/src/i18n/locales/zh-TW.json
• web/src/i18n/locales/vi.json
• web/src/i18n/locales/fr.json
• web/src/i18n/locales/en.json
• web/src/i18n/locales/ru.json

🚧 Files skipped from review as they are similar to previous changes (2)

• web/src/hooks/usage-logs/useUsageLogsData.jsx
• web/src/components/table/usage-logs/UsageLogsColumnDefs.jsx

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Walkthrough

Added a new "速度" (Speed) column to usage logs; the hook computes per-log speed as completion_tokens / (use_time - first_response_time) and the column renders the formatted value for specific log types, with i18n entries added for label and formula.

Changes

Cohort / File(s)	Summary
Speed Column Display web/src/components/table/usage-logs/UsageLogsColumnDefs.jsx, web/src/hooks/usage-logs/useUsageLogsData.jsx	Introduced COLUMN_KEYS.SPEED, added column definition with conditional render for record type in {0,2,5,6}; hook computes `speed = completion_tokens / (use_time - (other?.frt
Internationalization web/src/i18n/locales/en.json, web/src/i18n/locales/fr.json, web/src/i18n/locales/ja.json, web/src/i18n/locales/ru.json, web/src/i18n/locales/vi.json, web/src/i18n/locales/zh-CN.json, web/src/i18n/locales/zh-TW.json	Added translation keys for the label "速度" and the explanatory formula "输出速度 (tokens/s) = 输出 tokens / (总耗时 - 首字耗时)" across languages.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant UsageLogsHook as Hook
    participant UsageLogsTable as Table
    participant I18n as i18n
    User->>Table: open usage logs
    Table->>Hook: request logs data
    Hook->>Hook: compute per-log `speed` (completion_tokens / (use_time - frt))
    Hook-->>Table: return logs with `speed`
    Table->>I18n: get label/tooltip text
    Table->>User: render rows with Speed column (conditional)

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Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Possibly related PRs

• feat: add logs content tooltip #3267: Modifies the same getLogsColumns in UsageLogsColumnDefs.jsx (related column changes/tooltip behavior).

Suggested reviewers

• seefs001

Poem

🐰 I crunch the logs with nimble paws,

Tokens per second, without a pause.
Six tongues now sing the speed so bright,
Rows render true in morning light.
Hooray — a rabbit’s metric delight! 🎉

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The PR title accurately describes the main change: adding a speed (tokens/s) calculation field to the usage logs table.
Linked Issues check	✅ Passed	The PR implementation fully addresses issue #717's objectives: adds speed column with correct calculation formula, includes proper i18n translations for 7 languages, and implements both display and data computation logic.
Out of Scope Changes check	✅ Passed	All changes are directly within scope: speed column definition and rendering, speed calculation logic in data hook, and i18n translations for speed feature—no unrelated modifications detected.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[Zhenyi-Wang]

@seefs001 麻烦大佬抽空看看，只是在前端日志加个计算列，用于显示token速度，小改动

[Zhenyi-Wang]

已 rebase 到最新 main 并解决冲突，当前可合并。PR 仅在前端日志表格新增一个 tokens/s 计算列，纯展示逻辑。@t0ng7u 麻烦抽空 review 一下 🙏