feat: vector integrationTest;feat: ob quantization (#6366)

* feat(vectordb): add OceanBase HNSW quantization (HNSW_SQ/HNSW_BQ) (#6348)

Support OceanBase vector index quantization via VECTOR_VQ_LEVEL:
- 32 (default): hnsw + inner_product
- 8: hnsw_sq + inner_product (2-3x memory savings)
- 1: hnsw_bq + cosine (~15x memory savings)

HNSW_BQ requires cosine distance per OceanBase docs.
Tested on OceanBase 4.3.5.5 (BP5).

Closes #6202

* feat: add test inclusion for vectorDB tests in vitest configuration (#6358)

* feat: add test inclusion for vectorDB tests in vitest configuration

* refactor: update vectorDB README and setup for environment configuration

- Enhanced README to clarify the use of factory pattern for vectorDB integration tests.
- Updated instructions for setting up environment variables from a local file.
- Removed obsolete PG integration test file and adjusted test execution instructions.
- Improved structure explanation for shared test data and factory functions.

* perf: integrationTest

* feat: vector integration

---------

Co-authored-by: ZHANG Yixin <hi.yixinz@gmail.com>
Co-authored-by: Jingchao <alswlx@gmail.com>

deploy/templates/vector/ob.txt

@@ -18,8 +18,8 @@
       - OB_SERVER_IP=127.0.0.1
       # 更多环境变量配置见oceanbase官方文档： https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000002013494
     volumes:
-      - ../ob/data:/root/ob
-      - ../ob/config:/root/.obd/cluster
+      - ./ob/data:/root/ob
+      - ./ob/config:/root/.obd/cluster
     configs:
       - source: init_sql
         target: /root/boot/init.d/init.sql

deploy/templates/vector/seekdb.txt

@@ -3,23 +3,20 @@
     container_name: seekdb
     restart: always
     # ports: # 生产环境建议不要暴露
-    #   - 3306:3306
+    #   - 2881:2881
+    #   - 2886:2886
     networks:
       - fastgpt
     environment:
       # SeekDB 连接配置（兼容 MySQL 协议）
-      - MYSQL_ROOT_PASSWORD=seekdbpassword
-      # SeekDB 租户配置（与 OceanBase 兼容）
-      - OB_TENANT_NAME=tenantname
-      - OB_TENANT_PASSWORD=tenantpassword
+      - ROOT_PASSWORD=seekdbpassword
       # MODE分为MINI和NORMAL， 后者会最大程度使用主机资源
       - MODE=MINI
-      - OB_SERVER_IP=127.0.0.1
     volumes:
-      - ../seekdb/data:/var/lib/mysql
-      - ../seekdb/config:/etc/mysql/conf.d
+      - ./seekdb/data:/var/lib/mysql
+      - ./seekdb/config:/etc/mysql/conf.d
     healthcheck:
-      test: ["CMD", "mysqladmin", "ping", "-h", "localhost"]
+      test: ['CMD', 'mysqladmin', 'ping', '-h', '127.0.0.1', '-P2881', '-uroot', '-pseekdbpassword']
       interval: 30s
       timeout: 10s
       retries: 1000