{
  "version": "v0.2-phase2a",
  "label": "cand_snowflake_l_v2",
  "date": "2026-05-23",
  "snapshot": {
    "doc_id_max": 25180,
    "chunk_id_max": 56526,
    "documents_n": 21365,
    "chunks_n": 30605
  },
  "eval_set": {
    "total_cases": 51,
    "scored_cases": 46,
    "failure_expected_cases": 5
  },
  "model_config": {
    "embedding": "Snowflake/snowflake-arctic-embed-l-v2.0",
    "dim": 1024,
    "context": 8192,
    "reranker": "BAAI/bge-reranker-v2-m3",
    "search_mode": "hybrid",
    "rerank_enabled": "server_default",
    "embedding_backend": "cand_snowflake_l_v2",
    "endpoint": "http://embedding-cand-snowflake-l-v2:80/embed",
    "truncate": true,
    "plan": "phase-2a-embedding-diagnose.md v4"
  },
  "overall": {
    "n": 46,
    "graded_ndcg_at_10": 0.616,
    "graded_recall_at_10_t2": 0.726,
    "graded_recall_at_10_t3": 0.728,
    "latency_p50_ms": 254,
    "latency_p95_ms": 1412,
    "failure_correct": "0/5"
  },
  "by_category": {
    "english_only":  { "n":  9, "recall_at_10": 0.78, "ndcg_at_10": 0.68, "graded_ndcg_at_10": 0.74 },
    "exam":          { "n":  7, "recall_at_10": 0.67, "ndcg_at_10": 0.54, "graded_ndcg_at_10": 0.56 },
    "korean_only":   { "n":  9, "recall_at_10": 0.60, "ndcg_at_10": 0.50, "graded_ndcg_at_10": 0.52 },
    "mixed":         { "n": 10, "recall_at_10": 0.40, "ndcg_at_10": 0.32, "graded_ndcg_at_10": 0.35 },
    "standards":     { "n": 11, "recall_at_10": 0.91, "ndcg_at_10": 0.85, "graded_ndcg_at_10": 0.87 }
  },
  "by_language": {
    "en":    { "n":  9, "recall_at_10": 0.78, "graded_ndcg_at_10": 0.74 },
    "ko":    { "n": 27, "recall_at_10": 0.74, "graded_ndcg_at_10": 0.67 },
    "mixed": { "n": 10, "recall_at_10": 0.40, "graded_ndcg_at_10": 0.35 }
  },
  "raw_csv": "reports/v0_2_phase2a_snowflake_l_v2_2026-05-23.csv",
  "delta_vs_baseline": {
    "graded_ndcg_at_10": -0.043,
    "mixed": -0.04,
    "korean_only": +0.01,
    "standards": 0.00,
    "english_only": -0.04,
    "exam": -0.18,
    "latency_p50_ms": -210
  }
}
