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webapp/static/js/metric_presenter.js

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+// metric_presenter.js — 统一维护指标语义（高分好 / 低分好）、颜色阈值与简要说明。
+
+(function attachMetricPresenter(globalObj) {
+  const METRIC_META = {
+    faithfulness: {
+      direction: "higher_better",
+      description: "回答是否被检索内容直接支持，越高越可靠。",
+    },
+    answer_relevancy: {
+      direction: "higher_better",
+      description: "回答与问题是否紧密相关，越高越切题。",
+    },
+    context_recall: {
+      direction: "higher_better",
+      description: "检索片段覆盖标准答案关键信息的程度，越高越完整。",
+    },
+    context_precision: {
+      direction: "higher_better",
+      description: "检索片段中有效信息的占比，越高越精准。",
+    },
+    noise_sensitivity: {
+      direction: "lower_better",
+      description: "对噪声上下文的敏感程度，越低说明抗干扰能力越强。",
+    },
+    factual_correctness: {
+      direction: "higher_better",
+      description: "回答与标准答案在事实层面的吻合程度，越高越准确。",
+    },
+    semantic_similarity: {
+      direction: "higher_better",
+      description: "回答与标准答案在语义上的相似程度，越高越接近。",
+    },
+  };
+
+  function isLowerBetter(metricName) {
+    return METRIC_META[metricName]?.direction === "lower_better";
+  }
+
+  function scoreClass(metricName, value) {
+    if (value === null || value === undefined || Number.isNaN(Number(value))) return "na";
+    const numeric = Number(value);
+    if (isLowerBetter(metricName)) {
+      if (numeric <= 0.15) return "good";
+      if (numeric <= 0.35) return "warn";
+      return "bad";
+    }
+    if (numeric >= 0.85) return "good";
+    if (numeric >= 0.65) return "warn";
+    return "bad";
+  }
+
+  function describeMetric(metricName) {
+    return METRIC_META[metricName]?.description || "该指标用于衡量当前问答样本的评估表现。";
+  }
+
+  function binColor(metricName, lower) {
+    const numeric = Number(lower);
+    if (isLowerBetter(metricName)) {
+      if (numeric < 0.2) return "#16a34a";
+      if (numeric < 0.4) return "#84cc16";
+      if (numeric < 0.6) return "#eab308";
+      if (numeric < 0.8) return "#f97316";
+      return "#dc2626";
+    }
+    if (numeric >= 0.8) return "#16a34a";
+    if (numeric >= 0.6) return "#84cc16";
+    if (numeric >= 0.4) return "#eab308";
+    if (numeric >= 0.2) return "#f97316";
+    return "#dc2626";
+  }
+
+  globalObj.MetricPresenter = {
+    scoreClass,
+    describeMetric,
+    binColor,
+  };
+})(window);