title: Run Mutants In Child Processes Not Threads Loading The Project Once Per Worker required status: active text_ref: plan:running-mutants/in-process-or-subprocess tags:

• strict-modeling
• confidence:0.82
• confidence-band:medium
• provenance:plan-running-mutants-in-process-or-subprocess
• lane:strict
• fact:property_value

fact_kind: property_value subject_key: runner.run_loading_project property_key: run_mutants_in_child_processes_not_threads_loading_the_project_once_per_worker canonical_key: knowledge-source-plan:runner.run_loading_project:run_mutants_in_child_processes_not_threads_loading_the_project_once_per_worker:polarity:require operator: eq value_type: bool value_bool: true polarity: require claim_key: CLAIM-31AEF4005052471E claim_text: Runner must run mutants in child processes, not threads, loading the project once per worker. origin: kind: agent recorded_at: '2026-10-29T16:05:42.574Z' id: FACT-PROP-1A84F2029C3AB214 type: fact ---