Merge pull request #480 from relation-graph/v3.x

relation-graph v3.x has now been released, with support for more platforms while keeping the code cleaner and more elegant. View the architecture here:

[https://relation-graph.com/docs/multi-platform-architecture](https://relation-graph.com/docs/multi-platform-architecture)

At the same time, Relation Graph’s structure is naturally LLM-friendly. Because its architecture is clear, its knowledge is easier to understand. The knowledge files are located at:

`<source-code-root>/knowledge-for-ai`

Merge pull request #422 from seeksdream/develop

v2.2.11

Merge pull request #293 from seeksdream/v2.1.x

V2.1.x

Merge pull request #242 from seeksdream/v2.1.x

V2.1.9

Merge pull request #241 from seeksdream/develop

Develop