事前資料區

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sequenceDiagram
  participant K as 客戶（小美）
  participant P as 事前資料區（公司層）
  participant C as 顧問（老王）
  participant R1 as 資源庫 ISO 27001
  participant A as 稽核輪
  participant R2 as 資源庫 CMMC（半年後）
  C->>R1: 建資源庫，點「事前資料」
  R1->>P: 第一次開：建公司事前資料區＋四個起始大類
  C->>P: 加大類「機房與實體環境」
  K->>P: 五個格子各丟檔案
  C->>R1: 整理 SSP
  R1->>P: 讀公司全部檔 − 此資源庫排除 → 程序書池 tab 照大類分段
  Note over R1: 顧問不用挑，東西已經在
  K->>P: 網路圖上傳新版
  R1->>P: 規劃中的資源庫看到新版
  C->>A: 送審
  A->>P: 拍一份當下程序書池清單的副本（鎖）
  K->>P: 之後再傳的不影響這次稽核
  C->>R2: 半年後建第二個資源庫
  R2->>P: 同一批檔案自動帶入
  C->>R2: 把「門禁規定」點「這框架不用」

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flowchart LR
  subgraph T[公司層 tenant]
    CAT[大類<br/>pre_engagement_categories]
    F[資料<br/>pre_engagement_files]
    V[版本<br/>pre_engagement_file_versions]
    U[upload_files]
    CAT --> F --> V --> U
  end
  subgraph L[資源庫層 module_frame]
    EX[排除<br/>pre_engagement_exclusions]
    SSP[範本 SSP 程序書池 tab]
    EX -.這框架不用.-> F
    SSP -.讀取時：全部檔最新版 − 排除.-> F
  end
  subgraph Z[凍結 SSP（送審副本）]
    BM[back-matter resources]
  end
  SSP ==送審==> BM
  BM -.共用 file_id，指當時那版.-> U