feat(boss): rubric 评分修复 — passThreshold 优先读 rubric 对象，注入 _scoring_note 到 prompt (#4)

- chat-page-processor: passThreshold 从 rubric.passThreshold 读取，不再硬编码 75
- llm-rubric: _scoring_note 存在时追加到 system prompt，确保两步评分法和例外规则对 LLM 可见

Co-authored-by: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

packages/boss-auto-browse-and-chat/chat-page-processor.mjs

@@ -705,7 +705,8 @@ export default async function startBossChatPageProcess (hooksFromCaller, options
           result = await evaluateResumeByRubric(resumeText, {
             knockouts: llmConfig.rubric?.knockouts,
             dimensions: llmConfig.rubric?.dimensions,
-            passThreshold: llmConfig.passThreshold ?? 75
+            passThreshold: llmConfig.rubric?.passThreshold ?? llmConfig.passThreshold ?? 75,
+            _scoring_note: llmConfig.rubric?._scoring_note
           })
           pass = result.isPassed
           filterReason = result.reason || ''

packages/boss-auto-browse-and-chat/llm-rubric.mjs

@@ -87,7 +87,7 @@ export function getEnabledLlmClient (purpose = 'resume_screening', preferModelId
 /**
  * 根据 Rubric 评估简历。
  * @param {string} resumeText - 简历全文
- * @param {{ knockouts?: string[], dimensions?: Array<{ name: string, weight: number, criteria: Record<string, string> }>, passThreshold?: number }} rubricConfig
+ * @param {{ knockouts?: string[], dimensions?: Array<{ name: string, weight: number, criteria: Record<string, string> }>, passThreshold?: number, _scoring_note?: string }} rubricConfig
  * @param {{ modelId?: string | null }} [options]
  * @returns {Promise<{ isPassed: boolean, totalScore: number, reason: string }>} 失败时默认通过
  */
@@ -100,6 +100,7 @@ export async function evaluateResumeByRubric (resumeText, rubricConfig, options
   const knockouts = Array.isArray(rubricConfig?.knockouts) ? rubricConfig.knockouts : []
   const dimensions = Array.isArray(rubricConfig?.dimensions) ? rubricConfig.dimensions : []
   const passThreshold = typeof rubricConfig?.passThreshold === 'number' ? rubricConfig.passThreshold : 75
+  const scoringNote = typeof rubricConfig?._scoring_note === 'string' ? rubricConfig._scoring_note : null
 
   if (dimensions.length === 0) {
     return { isPassed: true, totalScore: 100, reason: '无评分维度，默认通过' }
@@ -132,6 +133,10 @@ ${dimensionsDesc}
   "reasoning": "简要判断理由"
 }`
 
+  if (scoringNote) {
+    systemContent += `\n\n【评分说明】\n${scoringNote}`
+  }
+
   try {
     logInfo(LOG, 'evaluateResumeByRubric start', {
       model: client.model,