{
  "arena": {
    "name": "didactopus-behavior-arena",
    "candidate_count": 3
  },
  "ranked_candidates": [
    {
      "candidate_name": "stub-baseline",
      "config": "configs/config.example.yaml",
      "prompt_variant": "baseline",
      "language": "en",
      "provider": "stub",
      "overall_score": 0.667,
      "overall_rating": "borderline",
      "role_results": [
        {
          "role": "mentor",
          "provider": "stub",
          "model_name": "local-demo",
          "prompt_variant": "baseline",
          "language": "en",
          "latency_ms": 0.027,
          "adequacy_score": 0.65,
          "adequacy_rating": "borderline",
          "response_preview": "[stubbed-response] [mentor] Concept: Independent Reasoning and Careful Comparison Prerequisites: Course Notes and Reference Texts Supporting lessons",
          "notes": [
            "Did not ask a focused learner question."
          ]
        },
        {
          "role": "practice",
          "provider": "stub",
          "model_name": "local-demo",
          "prompt_variant": "baseline",
          "language": "en",
          "latency_ms": 0.006,
          "adequacy_score": 1.0,
          "adequacy_rating": "adequate",
          "response_preview": "[stubbed-response] [practice] Concept: Independent Reasoning and Careful Comparison Prerequisites: Course Notes and Reference Texts Supporting lessons",
          "notes": []
        },
        {
          "role": "evaluator",
          "provider": "stub",
          "model_name": "local-demo",
          "prompt_variant": "baseline",
          "language": "en",
          "latency_ms": 0.005,
          "adequacy_score": 0.35,
          "adequacy_rating": "inadequate",
          "response_preview": "[stubbed-response] [evaluator] Concept: Independent Reasoning and Careful Comparison Prerequisites: Course Notes and Reference Texts Supporting lessons",
          "notes": [
            "Did not acknowledge learner strengths.",
            "Did not provide a concrete next step."
          ]
        }
      ]
    },
    {
      "candidate_name": "stub-strict-grounding",
      "config": "configs/config.example.yaml",
      "prompt_variant": "strict_grounding",
      "language": "es",
      "provider": "stub",
      "overall_score": 0.667,
      "overall_rating": "borderline",
      "role_results": [
        {
          "role": "mentor",
          "provider": "stub",
          "model_name": "local-demo",
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          "language": "es",
          "latency_ms": 0.019,
          "adequacy_score": 0.65,
          "adequacy_rating": "borderline",
          "response_preview": "[stubbed-response] [mentor] Concept: Independent Reasoning and Careful Comparison Prerequisites: Course Notes and Reference Texts Supporting lessons",
          "notes": [
            "Did not ask a focused learner question."
          ]
        },
        {
          "role": "practice",
          "provider": "stub",
          "model_name": "local-demo",
          "prompt_variant": "strict_grounding",
          "language": "es",
          "latency_ms": 0.005,
          "adequacy_score": 1.0,
          "adequacy_rating": "adequate",
          "response_preview": "[stubbed-response] [practice] Concept: Independent Reasoning and Careful Comparison Prerequisites: Course Notes and Reference Texts Supporting lessons",
          "notes": []
        },
        {
          "role": "evaluator",
          "provider": "stub",
          "model_name": "local-demo",
          "prompt_variant": "strict_grounding",
          "language": "es",
          "latency_ms": 0.004,
          "adequacy_score": 0.35,
          "adequacy_rating": "inadequate",
          "response_preview": "[stubbed-response] [evaluator] Concept: Independent Reasoning and Careful Comparison Prerequisites: Course Notes and Reference Texts Supporting lessons",
          "notes": [
            "Did not acknowledge learner strengths.",
            "Did not provide a concrete next step."
          ]
        }
      ]
    },
    {
      "candidate_name": "stub-trust-preserving",
      "config": "configs/config.example.yaml",
      "prompt_variant": "trust_preserving",
      "language": "fr",
      "provider": "stub",
      "overall_score": 0.667,
      "overall_rating": "borderline",
      "role_results": [
        {
          "role": "mentor",
          "provider": "stub",
          "model_name": "local-demo",
          "prompt_variant": "trust_preserving",
          "language": "fr",
          "latency_ms": 0.025,
          "adequacy_score": 0.65,
          "adequacy_rating": "borderline",
          "response_preview": "[stubbed-response] [mentor] Concept: Independent Reasoning and Careful Comparison Prerequisites: Course Notes and Reference Texts Supporting lessons",
          "notes": [
            "Did not ask a focused learner question."
          ]
        },
        {
          "role": "practice",
          "provider": "stub",
          "model_name": "local-demo",
          "prompt_variant": "trust_preserving",
          "language": "fr",
          "latency_ms": 0.005,
          "adequacy_score": 1.0,
          "adequacy_rating": "adequate",
          "response_preview": "[stubbed-response] [practice] Concept: Independent Reasoning and Careful Comparison Prerequisites: Course Notes and Reference Texts Supporting lessons",
          "notes": []
        },
        {
          "role": "evaluator",
          "provider": "stub",
          "model_name": "local-demo",
          "prompt_variant": "trust_preserving",
          "language": "fr",
          "latency_ms": 0.005,
          "adequacy_score": 0.35,
          "adequacy_rating": "inadequate",
          "response_preview": "[stubbed-response] [evaluator] Concept: Independent Reasoning and Careful Comparison Prerequisites: Course Notes and Reference Texts Supporting lessons",
          "notes": [
            "Did not acknowledge learner strengths.",
            "Did not provide a concrete next step."
          ]
        }
      ]
    }
  ],
  "review_queue": [
    {
      "candidate_name": "stub-baseline",
      "overall_rating": "borderline",
      "overall_score": 0.667,
      "needs_human_review": true,
      "weak_roles": [
        "mentor",
        "evaluator"
      ]
    },
    {
      "candidate_name": "stub-strict-grounding",
      "overall_rating": "borderline",
      "overall_score": 0.667,
      "needs_human_review": true,
      "weak_roles": [
        "mentor",
        "evaluator"
      ]
    },
    {
      "candidate_name": "stub-trust-preserving",
      "overall_rating": "borderline",
      "overall_score": 0.667,
      "needs_human_review": true,
      "weak_roles": [
        "mentor",
        "evaluator"
      ]
    }
  ],
  "llm_review": {
    "provider": "stub",
    "model_name": "local-demo",
    "role": "mentor",
    "summary": "[stubbed-response] [mentor] Review these Didactopus arena results for a human reviewer. Rank the strongest candidates, identify likely prompt improv"
  }
}