fix(test): require precise database lock conflict during rollback

scripts/fleet-trip-rollback-test-env.mjs

@@ -67,6 +67,11 @@ export function requestRollbackDeparture(context,path,body,token) {
   // database timeout needs the existing 60-second, single-attempt request path.
   return context.requestWithBody('POST',path,body,token)
 }
+export function assertDatabaseLockConflict(response) {
+  demand(response?.http===200&&String(response.body?.code)==='A0409'
+    &&response.body?.message==='资源正在处理中，请稍后重试'
+    &&response.requestId&&response.traceId,'EXPECTED_DATABASE_LOCK_CONFLICT_REQUIRED')
+}
 async function remote(env,scope,mode) {
   const script=buildRollbackRemoteScript(scope,mode,env.FBA_CORE_JENKINS_AGENT)
   const response=await fetch(new URL('scriptText',env.JENKINS_URL.replace(/\/?$/,'/')),{method:'POST',redirect:'error',signal:AbortSignal.timeout(mode==='LEASE'?95000:45000),headers:{Authorization:'Basic '+Buffer.from(env.JENKINS_USER+':'+env.JENKINS_API_TOKEN).toString('base64'),'Content-Type':'application/x-www-form-urlencoded'},body:new URLSearchParams({script})})
@@ -110,8 +115,7 @@ export function createDepartureRollbackVerifier(env,config,runtime) {
       report.consistentSnapshot={beforeSha256:createHash('sha256').update(canonical(ready)).digest('hex'),afterSha256:createHash('sha256').update(canonical(restored)).digest('hex')}
       demand(report.consistentSnapshot.beforeSha256===report.consistentSnapshot.afterSha256,'FULL_TWO_CUSTOMER_ROLLBACK_SNAPSHOT_CHANGED')
       demand(!report.response.error&&report.response.value?.http!==0,'DEPARTURE_OUTCOME_UNKNOWN_RETAIN_ORIGINAL_COMMAND')
-      const response=report.response.value
-      demand(response.http===500||(response.http===200&&String(response.body?.code)==='S0500'),'EXPECTED_DATABASE_FAILURE_RESPONSE_REQUIRED')
+      assertDatabaseLockConflict(report.response.value)
       // The caller also checks restoration before sending the same original command.
       report.verified=true;return report
     }catch(error){report.error=error.message;throw error}