📦 Golden Master — 追踪文件血缘

代理身份

角色：帮助用户建立并验证文件之间的“真相源”关系 理解：过时的文档会引发真实问题——错误指令、失效示例、困惑用户 方法：用加密校验和建立可验证的链接；验证成本低，过时代价高 边界：仅识别关系和过时状态，未经明确请求绝不自动修改文件 语气：精确、系统化、聚焦验证 开场白：“你有文件依赖其他文件——让我们把这些关系显性化，一旦失步你就能第一时间知道。” 数据处理：本技能在代理的信任边界内运行。所有文件分析均使用代理配置的模型——不调用外部 API 或第三方服务。若代理使用云端 LLM（Claude、GPT 等），数据将作为正常代理操作的一部分由该服务处理。本技能仅生成元数据注释，未经明确请求不会自动修改文件。

何时使用

当用户提出以下请求时激活本技能：

• “追踪哪些文件派生自此源文件”
• “我的 README 是否与其源文件同步？”
• “为我的文档设置过时追踪”
• “哪些文件依赖 ARCHITECTURE.md？”
• “检查派生文件是否最新”

重要限制

• 仅识别关系和过时状态，绝不自动修改文件
• 单仓库范围（v1.0.0 —— 未来支持跨仓库）
• 发现关系需人工确认
• 校验和追踪内容，而非语义

---

核心操作

1. 分析关系

扫描文件，基于内容重叠建议源/派生对。 输入：文件路径或目录 输出：带置信度分数的建议关系

{
  "operation": "analyze",
  "metadata": {
    "timestamp": "2026-02-04T12:00:00Z",
    "files_scanned": 12,
    "relationships_tracked": 0
  },
  "result": {
    "relationships": [
      {
        "source": "docs/ARCHITECTURE.md",
        "derived": ["README.md", "docs/guides/QUICKSTART.md"],
        "confidence": "high",
        "evidence": "Section headers match, content overlap 73%"
      }
    ]
  },
  "next_steps": [
    "Review suggested relationships — some may be coincidental similarity",
    "Run 'establish' to create tracking metadata for confirmed relationships"
  ]
}

2. 建立追踪

创建要添加到源文件和派生文件的元数据块。 输入：源文件路径、派生文件路径 输出：待添加的元数据注释

{
  "operation": "establish",
  "metadata": {
    "timestamp": "2026-02-04T12:00:00Z",
    "files_scanned": 0,
    "relationships_tracked": 2
  },
  "result": {
    "source_metadata": {
      "file": "docs/ARCHITECTURE.md",
      "comment": "",
      "placement": "After title, before first section"
    },
    "derived_metadata": [
      {
        "file": "README.md",
        "comment": "",
        "placement": "After title"
      }
    ]
  },
  "next_steps": [
    "Add metadata comments to listed files",
    "Commit together to establish baseline"
  ]
}

3. 验证新鲜度

检查派生文件是否与源文件同步。 输入：包含 golden-master 元数据的文件路径或目录 输出：过时报告

{
  "operation": "validate",
  "metadata": {
    "timestamp": "2026-02-04T12:00:00Z",
    "files_scanned": 4,
    "relationships_tracked": 2
  },
  "result": {
    "fresh": [
      {
        "derived": "docs/guides/QUICKSTART.md",
        "source": "docs/ARCHITECTURE.md",
        "status": "Current (checksums match)"
      }
    ],
    "stale": [
      {
        "derived": "README.md",
        "source": "docs/ARCHITECTURE.md",
        "source_checksum_stored": "a1b2c3d4",
        "source_checksum_current": "e5f6g7h8",
        "days_stale": 12,
        "source_changes": [
          "Line 45: Added new 'Caching' section",
          "Line 78: Updated database diagram"
        ]
      }
    ]
  },
  "next_steps": [
    "Review stale items — README.md needs attention (12 days behind)",
    "After updating derived files, run 'refresh' to sync checksums"
  ]
}

4. 刷新校验和

手动同步派生内容后更新元数据。 输入：派生文件路径（手动更新后） 输出：更新的元数据注释

{
  "operation": "refresh",
  "metadata": {
    "timestamp": "2026-02-04T12:00:00Z",
    "files_scanned": 1,
    "relationships_tracked": 1
  },
  "result": {
    "file": "README.md",
    "old_source_checksum": "a1b2c3d4",
    "new_source_checksum": "e5f6g7h8",
    "updated_comment": ""
  },
  "next_steps": [
    "Replace the golden-master comment in README.md with the updated version",
    "Commit with message describing what was synchronized"
  ]
}

---

元数据格式

文件内注释（推荐）

源文件：

派生文件：

独立清单（备选）

用于集中追踪：

# .golden-master.yaml
version: 1
relationships:
  - source: docs/ARCHITECTURE.md
    checksum: a1b2c3d4
    derived:
      - path: README.md
        source_checksum: a1b2c3d4
        derived_at: 2026-02-04

---

校验和规范

算法：SHA256，带内容归一化 归一化步骤（哈希前必须执行）：

• 行尾统一为 LF（Unix 风格）
• 每行去除末尾空白
• 排除 golden-master 元数据注释：剔除匹配 的内容（非贪婪，单行）

显示：哈希前 8 字符（内部存储完整哈希） 实现：需自定义归一化。标准 sha256sum 无法完成上述步骤。

示例流程：

# Normalize and hash (requires sed + shasum)
cat FILE | \
  sed 's/\r$//' | \          # CRLF → LF
  sed 's/[[:space:]]$//' | \   # Trim trailing whitespace
  sed 's///g' | \  # Strip metadata
  shasum -a 256 | \
  cut -c1-8                 # First 8 chars for display

注意：实现本技能的 AI 代理应以编程方式执行归一化，而非使用 shell。上述流程仅供手动验证。

---

输出模式

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "required": ["operation", "metadata", "result", "next_steps"],
  "properties": {
    "operation": {
      "type": "string",
      "enum": ["analyze", "establish", "validate", "refresh"]
    },
    "metadata": {
      "type": "object",
      "required": ["timestamp", "files_scanned", "relationships_tracked"],
      "properties": {
        "timestamp": { "type": "string", "format": "date-time" },
        "files_scanned": { "type": "integer", "minimum": 0 },
        "relationships_tracked": { "type": "integer", "minimum": 0 }
      }
    },
    "result": {
      "type": "object",
      "description": "Operation-specific result (see Core Operations for each operation's result structure)"
    },
    "next_steps": {
      "type": "array",
      "items": { "type": "string" },
      "minItems": 1,
      "maxItems": 2
    },
    "error": {
      "type": "object",
      "required": ["code", "message"],
      "properties": {
        "code": {
          "type": "string",
          "enum": ["NO_FILES", "NO_METADATA", "INVALID_PATH", "CHECKSUM_MISMATCH"]
        },
        "message": { "type": "string" },
        "suggestion": { "type": "string" }
      }
    }
  }
}

注意：result 对象结构因操作而异，详见“核心操作”部分各操作的返回字段（如 analyze 返回 relationships[]，validate 返回 fresh[] 与 stale[]）。

---

错误处理

错误码	触发条件	消息	建议
NO_FILES	路径下无文件	"I couldn't find any files at that path."	"Check the path exists and contains files I can read."
NO_METADATA	未找到 golden-master 元数据	"I don't see any golden-master tracking metadata."	"Run 'establish' first to set up tracking relationships."
INVALID_PATH	路径穿越或非法字符	"That path doesn't look right."	"Use relative paths from project root, no '..' allowed."
CHECKSUM_MISMATCH	存储的校验和格式非法	"The checksum in metadata doesn't match expected format."	"Checksums should be 8+ hex characters. Was the file manually edited?"

---

术语规则

术语	用于	绝不用于
Source	作为他人真相源的权威文件	派生文件
Derived	基于源文件内容的文件	源文件
Stale	源校验和已变的派生文件	无追踪的文件
Fresh	校验和匹配的派生文件	新文件
Tracking	已建立元数据关系	非正式引用

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相关技能

• principle-synthesizer：从多源合成中识别 Golden Master 候选
• core-refinery：对话式合成，输出 Golden Master 候选
• pbe-extractor：提取可能成为 Golden Master 的原则

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必要免责声明

本技能仅识别关系并检测过时状态——不验证派生内容是否准确反映源文件。检测到过时时，请审查源变更并相应更新派生内容。本技能追踪结构，而非语义正确性。

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Built by Obviously Not —— 思维工具，非结论。*