Sumit6307 opened a new pull request, #7970:
URL: https://github.com/apache/incubator-seata/pull/7970

   ## What's changed
   - Remove `RouteTable.refreshLeader()` and `RouteTable.selectLeader()` from 
`GET /metadata/v1/cluster` in `ClusterController`.
   - Use only `RaftStateMachine.getRaftLeaderMetadata()` for cluster metadata 
(leader, followers, learners, term).
   - Remove unused `PeerId` import.
   
   ## Why
   The cluster endpoint already builds the response from 
`RaftStateMachine.getRaftLeaderMetadata()`. The `refreshLeader`/`selectLeader` 
calls only checked "is there a leader?" via JRaft's RouteTable, duplicating 
info we already have. Removing them:
   - Drops the extra JRaft round-trip on every `/cluster` call
   - Keeps the same `MetadataResponse` shape and semantics
   - Leaves `changeCluster` unchanged (still uses RouteTable for 
`changePeers`/`updateConfiguration`)
   
   ## Testing
   - `ClusterControllerTest` (run `mvn test -pl server 
-Dtest=ClusterControllerTest`)
   - No changes to `RaftRegistryServiceImpl` or other callers; response 
contract unchanged.
   
   fix #7967


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