hyungi_document_server

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Hyungi Ahn 120db86d74 docs(search): Phase 2 최종 측정 보고서 (phase2_final.md + csv A/B)

## 결과 요약

Phase 1.3 baseline vs Phase 2 final A/B (평가셋 v0.1, 23 쿼리):
 - Recall@10:  0.730 → 0.737 (+0.007)
 - NDCG@10:    0.663 → 0.668 (+0.005)
 - Top-3 hit:  0.900 → 0.900 (0)
 - p95 latency: 171ms → 256ms (+85)
 - news_crosslingual NDCG: 0.27 → 0.37 (+0.10 ✓)
 - exact_keyword / natural_language_ko: 완전 유지 (회귀 0)

## Phase 2 게이트: 2/6 통과
 ✓ news_crosslingual NDCG ≥ 0.30
 ✓ latency p95 < 400ms
 ❌ Recall@10 ≥ 0.78 (0.737)
 ❌ Top-3 hit ≥ 0.93 (0.900)
 ❌ crosslingual_ko_en NDCG ≥ 0.65 (0.53, bge-m3 한계)
 ❌ 평가셋 v0.2 작성 (후속)

## 핵심 성과 (게이트 미달이지만 견고한 기반)
 1. QueryAnalyzer async-only 아키텍처 (retrieval 차단 0)
 2. semaphore concurrency=1 (MLX single-inference queue 폭발 방지)
 3. multilingual narrowing (news/global 한정 → 회귀 0 + news 개선)
 4. soft_filter boost 보수적 설정 (0.01, domain only)
 5. prewarm 15개 → cache hit rate 70%+

## infra_inventory.md soft lock 준수
 - config.yaml / Ollama / compose restart 변경 0

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-04-08 15:52:21 +09:00

baseline_2026-04-07_summary.md

test(search): Phase 0.2 baseline 측정 결과

2026-04-07 08:22:53 +09:00

baseline_2026-04-07.csv

test(search): Phase 0.2 baseline 측정 결과

2026-04-07 08:22:53 +09:00

phase2_final_baseline.csv

docs(search): Phase 2 최종 측정 보고서 (phase2_final.md + csv A/B)

2026-04-08 15:52:21 +09:00

phase2_final_candidate.csv

docs(search): Phase 2 최종 측정 보고서 (phase2_final.md + csv A/B)