- Remove unused imports: AtomicBool, Future (provider.rs), debug (executor.rs) - Remove unused import WorkflowScript (workflow.rs) - Remove unused variables: tool_name, t_ctx, t_args (executor.rs) - Remove dead variable class_indent (semantic_search.rs) CI was failing with 'error: could not compile zesdex-infrastructure due to 10 previous errors' caused by -D warnings treating unused code as compilation errors.