Method calculateLabelWeights

MCP/scripts/fetch-issues.js:417–458

(labels, content)

  }

  calculateLabelWeights(labels, content) {
    const weights = {};
    
    for (const label of labels) {
      // 基础权重
      let weight = this.labelWeights[label] || 1.0;
      
      // 基于内容相关度调整权重
      const labelRegex = new RegExp(label, 'gi');
      const matches = content.match(labelRegex) || [];
      weight += matches.length * 0.1;
      
      // 基于标签位置调整权重
      if (content.toLowerCase().includes(label.toLowerCase())) {
        const firstIndex = content.toLowerCase().indexOf(label.toLowerCase());
        if (firstIndex < content.length * 0.2) {
          weight += 0.3; // 在文章开头出现的标签更重要
        }
      }
      
      // 基于代码示例调整权重
      const codeBlocks = content.match(/```[^`]+```/g) || [];
      for (const block of codeBlocks) {
        if (block.toLowerCase().includes(label.toLowerCase())) {
          weight += 0.2; // 在代码示例中出现的标签更重要
        }
      }
      
      // 基于标签关系调整权重
      if (this.labelRelations[label]) {
        const relatedLabels = this.labelRelations[label];
        const presentRelatedLabels = relatedLabels.filter(rel => 
          labels.includes(rel)
        );
        weight += presentRelatedLabels.length * 0.1; // 相关标签共现提升权重
      }
      
      weights[label] = weight;
    }
    
    return weights;
  }

  async buildLabelHierarchy() {
    console.log('🌳 Building label hierarchy...');