[None][docs] Remove ghost --topr from RocketKV example command

[imitater-dou]

Summary

The RocketKV example command in examples/sparse_attention/RocketKV.md documents --topr 128, but examples/llm-api/llm_sparse_attention.py only exposes --topk (not --topr). Copy-pasting the documented command fails with an unrecognized-arguments error.

RocketSparseAttentionConfig.topr remains a valid LLM API field (default 128); the Python API snippet and Configuration Arguments section are unchanged. The example script relies on that API default when constructing RocketSparseAttentionConfig.

Repro (on main @ d7d79c3)

# Documented command includes --topr:
rg -n -- '--topr' examples/sparse_attention/RocketKV.md
# -> Example Command block lists --topr 128

# Script argparse has --topk only:
rg -n "add_argument\\('--topk'|add_argument\\('--topr'" examples/llm-api/llm_sparse_attention.py
# -> only --topk; no --topr

# API still has topr default 128:
rg -n 'topr:' tensorrt_llm/llmapi/llm_args.py
# -> RocketSparseAttentionConfig.topr default=128

Change

• Drop --topr 128 from the Example Command in RocketKV.md.

Test plan

• Confirm Example Command flags match llm_sparse_attention.py argparse
• Confirm API example / Configuration Arguments still document topr

Dev Engineer Review

• Removed the unsupported --topr 128 flag from the RocketKV example command.
• The command now matches the script’s exposed --topk option.
• The Python API example and configuration documentation remain unchanged.
• No test changes.

QA Engineer Review

No test changes.

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Walkthrough

The RocketKV example command removes the --topr 128 option. All other command-line options remain unchanged.

Changes

RocketKV command update

Layer / File(s)	Summary
Update RocketKV example command examples/sparse_attention/RocketKV.md	The example command no longer passes --topr 128.

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

Merge Risk: ⚪ Minimal · up to 234a2

This removes an invalid command-line flag from the RocketKV example without changing runtime or API behavior; no actionable merge-blocking risk remains after normal checks and review.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely identifies the documentation change: removing the unsupported --topr option from the RocketKV example command.
Description check	✅ Passed	The description explains the issue, affected files, root cause, exact change, and test plan. It is sufficiently complete for this documentation-only change, although it does not reproduce the full rep…
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
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.

Full details: Description check

Explanation

The description explains the issue, affected files, root cause, exact change, and test plan. It is sufficiently complete for this documentation-only change, although it does not reproduce the full repository checklist.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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