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analysisにtfidf/bubble-scoresエンドポイントを追加し、 サービス・スキーマ・テスト・バックエンド/フロント向けドキュメントを更新。
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概要
会話バブルUIで使うために、発話ごとのTF-IDFスコアを算出し、表示サイズに変換するAPIを追加しました。
1発話 = 1バブルを前提に、raw_score -> 正規化 -> bubble_size(px)を返します。追加したもの
POST /analysis/tfidf/bubble-scoresraw_score = 上位top_k語のTF-IDF合計p10/p90によるロバスト正規化min_bubble_size ~ max_bubble_sizeへの線形マッピングmax_bubble_size <= min_bubble_sizeを422)API仕様(要点)
Request
utterances: string[](必須)top_k?: number(default:3)window_size?: number(default:30)min_bubble_size?: number(default:28)max_bubble_size?: number(default:72)Response
meta:algorithm,top_k,window_size,p10,p90,utterance_countなどitems[]:index,textraw_scorenormalized_score(0..1)bubble_size(px)top_terms[]アルゴリズム意図
p10/p90で正規化bubble_sizeをそのまま使えるため、描画実装がシンプルテスト結果
uv run pytest -q tests/test_text_analysis_service.py tests/test_analysis_endpoint.py21 passed互換性
レビュー観点
p10/p90正規化の妥当性(会話長やドメインでの安定性)top_k/window_size/min-maxデフォルト値の妥当性