查询问题的扩展优化：引入子模优化算法

[YYH211]

主要改进

1. 引入子模优化算法

• 使用子模优化算法替代简单的查询生成方式
• 实现懒贪心算法进行最优查询选择
• 引入余弦相似度和边际增益计算，提高查询多样性

2. 查询生成数量控制

• 新增 generateCount 参数控制初始查询数量
• 修改提示词模板以支持动态查询数量
• 增加查询数量的验证逻辑

3. 向量处理优化

• 集成向量嵌入生成功能
• 支持原始查询和候选查询的向量处理
• 实现向量比较和选择逻辑

[gru-agent]

TestGru Assignment

Summary

Link	CommitId	Status	Reason
Detail	b3d8b68	🚫 Skipped	No files need to be tested {"packages/service/core/ai/functions/queryExtension.ts":"File path does not match include patterns."}

History Assignment

Tip

You can @gru-agent and leave your feedback. TestGru will make adjustments based on your input

[cla-assistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.

---

xxYyh seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please add the email address used for this commit to your account.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[github-actions]

Preview mcp_server Image:

registry.cn-hangzhou.aliyuncs.com/fastgpt/fastgpt-pr:fatsgpt_mcp_server_64a1b0ec14ef87122ddf32c093d00d871c4b2e2e

[github-actions]

Preview sandbox Image:

registry.cn-hangzhou.aliyuncs.com/fastgpt/fastgpt-pr:fatsgpt_sandbox_64a1b0ec14ef87122ddf32c093d00d871c4b2e2e

[github-actions]

Preview fastgpt Image:

registry.cn-hangzhou.aliyuncs.com/fastgpt/fastgpt-pr:fatsgpt_64a1b0ec14ef87122ddf32c093d00d871c4b2e2e