docs: update vGPU memory metric documentation

[hyy321]

What type of PR is this?

/kind documentation

What this PR does / why we need it:

The current vGPU monitoring docs still show labels that have been removed from hami_container_device_memory_bytes.

This PR:

• updates the metric description and example to match the current schema
• removes context_size, module_size, buffer_size, and offset from the example
• updates the v2.10.0 note to reference the separate context, module, and buffer memory metrics
• updates both English and Chinese current docs

The versioned v2.9.0 docs are unchanged.

Which issue(s) this PR fixes:

Related to Project-HAMi/HAMi#2356

Related to Project-HAMi/HAMi#2126 (vGPU observability documentation)

Checklist:

• npm run lint and npm run format:check pass
• npm run build succeeds
• Chinese translation updated
• Commits are signed off (git commit -s)

AI assistance disclosure:

AI assistance was used only for wording suggestions and verification guidance. I made the final decisions, reviewed the changes, and ran the checks myself.

Summary by CodeRabbit

• Documentation
  • Updated real-time device usage documentation to clarify that the container device memory metric reports total memory usage without memory-breakdown labels.
  • Noted that, since v2.10.0, context, module, and buffer memory are reported through separate vGPU metrics.
  • Updated both English and Chinese documentation.

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[hami-robot]

Welcome @hyy321! It looks like this is your first PR to Project-HAMi/website 🎉

[coderabbitai]

📝 Walkthrough

Walkthrough

The documentation now describes hami_container_device_memory_bytes as total container device memory. It removes memory-breakdown labels and identifies the corresponding vGPU metrics for context, module, and buffer memory in English and Chinese.

Changes

Device memory metric documentation

Layer / File(s)	Summary
Metric description and version note docs/userguide/monitoring/real-time-device-usage.md, i18n/zh/docusaurus-plugin-content-docs/current/userguide/monitoring/real-time-device-usage.md	The examples no longer include memory-breakdown labels. The v2.10.0 notes state that these labels were removed and reference the corresponding vGPU metrics.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Possibly related PRs

• Project-HAMi/website#498: Updates the same real-time device usage documentation for different metric changes.
• Project-HAMi/website#516: Introduces the related hami_container_device_memory_bytes labels refined by this change.

Suggested reviewers: ntheanh201

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the documentation updates for vGPU memory metrics, which is the main change in the pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[rootsongjc]

/LGTM

[hami-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: hyy321, rootsongjc
Once this PR has been reviewed and has the lgtm label, please assign wawa0210 for approval. For more information see the Kubernetes Code Review Process.

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