{
  "_meta": "字数分配约束规则：与「标书篇幅预期」四档的 base/core 配合，按技术评分项权重与章节标题相关性分配各叶节点最低字数与提示词中的评分要点提示。修改后重启服务生效；字段说明见同文件 _field_docs。",
  "_field_docs": {
    "schema_version": "规则文件版本号，解析时可做迁移",
    "alpha": "0~1，评分驱动强度；越大则高分相关章节越接近 core、低相关越接近 base",
    "budget_mode": "target_pages：启用目标页数且 TARGET_PAGES>0 时，全书叶节点目标总字数为 TARGET_PAGES*PAGE_CHAR_ESTIMATE；无技术评分时叶节均分该总预算。未启用页数时无评分则返回 None。anchor_mean：N*(base+core)/2；anchor_base：N*base",
    "per_section_floor": "单节 min_chars 下限（不低于此整数）",
    "per_section_cap": "单节 min_chars 上限（不超过 core 时可设为 core 或略高）",
    "relevance.method": "keyword_overlap：标题与评分项名称/关键词的字面重叠度",
    "relevance.min_rating_weight": "忽略权重低于此值的评分项（减少噪声）",
    "rating_parse": "预留；解析器内置多形态 rating_json，无需在此配置",
    "prompt.top_k_rating_items": "写入本节字数说明中的相关评分项名称条数上限",
    "max_tokens_scale": "若为 true，按 min_chars/base 比例缩放本段 max_tokens（仍受模型上限约束）"
  },
  "schema_version": 1,
  "alpha": 0.85,
  "budget_mode": "target_pages",
  "per_section_floor": null,
  "per_section_cap": null,
  "relevance": {
    "method": "keyword_overlap",
    "min_rating_weight": 0.01
  },
  "rating_parse": {},
  "prompt": {
    "top_k_rating_items": 4,
    "intro_line": "本节须对下列技术评分要点作实质展开（结合工艺、流程、标准与可验证措施，禁止空泛承诺与复述招标文件）："
  },
  "max_tokens_scale": false
}