赵月辉 / fastgpt-migrated

* feat: add openGauss DataVec as vector database backend

Add openGauss with DataVec extension as a new vector storage option alongside PGVector and Milvus. Includes vector DB controller, Docker Compose deployment configs (CN/Global), deploy generation scripts, and test templates.

* test: add opengauss vectorDB integration entry

* test: adjust vector env template for opengauss run

* fix: ts

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Co-authored-by: archer <545436317@qq.com>