feat(memory):Opt event yaml

[yeshion23333]

Description

调整memory event抽取的粒度，locomo评测结果：

Eval result	model	单sample最长耗时	Emb token	Vlm token	Cache token	Reasoning token	Out put
80.78%	code-2.0		1,360,407	4,303,687	1,931,856	0	647,664
81.69%	2.0-pro-0215	47min21.34s	1,845,934	5,116,580	1,925,408	0	1,001,118
78.31%（↓3.38）	lite-0428	15min17.04s	787,127（↓57.36%）	3,355,737（↓34.41%）	1,665,352	0	411905（↓58.86%）
73.44%（↓8.25）	mini-0428	8min9.77s	628,815（↓65.94%）	3,326,374（↓34.99%）	1,915,064	0	427014（↓57.35%）

Related Issue

Type of Change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Refactoring (no functional changes)
• Performance improvement
• Test update

Changes Made

Testing

• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have tested this on the following platforms:
  • Linux
  • macOS
  • Windows

Checklist

• My code follows the project's coding style
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published

Screenshots (if applicable)

Additional Notes

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