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Head commit for run: d32395cd52da6550577a1487a757d77b02b7cf61 / carloea2 <[email protected]> fix(amber): reject duplicate worker initialization (#8083) ### What changes were proposed in this PR? `OperatorExecution.initWorkerExecution` now checks whether the worker ID is already a key in the execution map. This prevents a repeated initialization from silently replacing the existing execution. The old characterization and pending tests are replaced with one active regression test. It verifies both that the repeated initialization fails and that the original execution remains registered. Before: A repeated worker ID replaced the original execution. After: A repeated worker ID raises `AssertionError` and preserves the original execution. This change removes 19 lines overall. ### Any related issues, documentation, discussions? Closes #8082 ### How was this PR tested? The regression test failed before the production change with 13 tests passing and 1 test failing. It passed after the change with all 14 tests passing. ```shell sbt "set DAO / Compile / sourceGenerators := Seq.empty" "WorkflowExecutionService / Test / testOnly org.apache.texera.amber.engine.architecture.coordinator.execution.OperatorExecutionSpec" sbt "set DAO / Compile / sourceGenerators := Seq.empty" "scalafixAll --check" sbt scalafmtCheckAll ``` ### Was this PR authored or co-authored using generative AI tooling? Generated-by: OpenAI Codex, GPT-5 Report URL: https://github.com/apache/texera/actions/runs/33428141865 With regards, GitHub Actions via GitBox
