Zhengcy05 opened a new pull request, #8157:
URL: https://github.com/apache/incubator-seata/pull/8157

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   - [x] I have read the 
[CONTRIBUTING.md](https://github.com/apache/incubator-seata/blob/2.x/CONTRIBUTING.md)
 guidelines.
   - [ ] I have registered the PR 
[changes](https://github.com/apache/incubator-seata/tree/2.x/changes).
   
   ### Ⅰ. Describe what this PR did
   
   This PR fixes a Spring Boot 4.x compatibility issue in 
`SeataSagaAutoConfiguration`.
   
   `SeataSagaAutoConfiguration` previously used a hard class reference to 
`org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration` in 
`@AutoConfigureAfter`. On Spring Boot 4.x, `DataSourceAutoConfiguration` was 
moved to `org.springframework.boot.jdbc.autoconfigure`, so the old class 
reference could trigger `TypeNotPresentException` during meta-annotation 
introspection and cause the whole Saga auto-configuration to be skipped.
   
   This PR updates the auto-configuration ordering to use string-based class 
names for both Spring Boot 2.x/3.x and Spring Boot 4.x, following the same 
compatibility pattern already used in other Seata auto-configuration classes. 
It also adds a regression test to verify the annotation metadata.
   
   ### Ⅱ. Does this pull request fix one issue?
   
   fixes #8153
   
   ### Ⅲ. Why don't you add test cases (unit test/integration test)? 
   
   A regression test was added in `SeataSagaAutoConfigurationTest` to verify 
that `@AutoConfigureAfter` keeps `SeataAutoConfiguration.class` in `value()` 
and uses both Spring Boot 2.x/3.x and 4.x `DataSourceAutoConfiguration` class 
names in `name()`.
   
   ### Ⅳ. Describe how to verify it
   
   Run:
   
   `mvn -pl spring/seata-spring-boot-starter -am 
-Dtest=SeataSagaAutoConfigurationTest -DfailIfNoTests=false 
-Dmaven.repo.local=/private/tmp/incubator-seata-m2 test`
   
   ### Ⅴ. Special notes for reviews
   
   I have not registered the `changes` entry yet. If this direction looks good, 
I can add the corresponding `changes/en-us/2.x.md` and `changes/zh-cn/2.x.md` 
entries before merge.


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