[Feature]: 支持gemini embedding 2这种多模态向量模型

[summerbuild]

Problem Statement

现在的入库都是调文本向量模型，图片都要转成文字再转向量，能否支持多模态向量模型，这样直接在向量层就能实现以图搜图的功能，不用图片转文字再转向量搜索，减少模态转换带来的信息损失

Proposed Solution

Alternatives Considered

No response

Feature Area

Core (Client/Engine)

Use Case

Example API (Optional)

Additional Context

No response

Contribution

• I am willing to contribute to implementing this feature

[qin-ctx]

#607

[qin-ctx]

现在的embedding默认是多模态的，多模态检索后面会支持

[chethanuk]

#751