fix lmeval start speed

[hiworldwzj]

No description provided.

[gemini-code-assist]

Code Review

This pull request introduces a new common guidance document (skills/test_model/SKILL.md) to accelerate lm_eval startup times by defaulting to offline caching configurations. The reviewer suggested updating the --model_args parameter format in the example command to use an escaped JSON string instead of a comma-separated string to maintain consistency with other sub-skills in the directory and prevent parsing issues.

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[gemini-code-assist]

The --model_args format in this example uses a comma-separated string, whereas other sub-skills in this directory (such as qwen3.5-0.8b-gsm8k-scenarios/SKILL.md and qwen2.5-14b-fp8kv-gsm8k/SKILL.md) consistently use an escaped JSON string format for --model_args when using the local-completions model. To ensure consistency and avoid potential parsing errors, please update the example to use the JSON format.

Suggested change

	lm_eval --model local-completions \
	--model_args "model=${MODEL_NAME},base_url=${BASE_URL},num_concurrent=64,max_retries=3,tokenized_requests=False,tokenizer=${MODEL_DIR}" \
	--tasks gsm8k \
	--batch_size 64 \
	--confirm_run_unsafe_code
	lm_eval --model local-completions \
	--model_args "{\"model\":\"${MODEL_NAME}\",\"base_url\":\"${BASE_URL}\",\"num_concurrent\":64,\"max_retries\":3,\"tokenized_requests\":false,\"tokenizer\":\"${MODEL_DIR}\"}" \
	--tasks gsm8k \
	--batch_size 64 \
	--confirm_run_unsafe_code