dsh-canteen-retention-check

dsh-canteen-retention-check — Canteen retention check

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dsh-canteen-retention-check checks a canteen food-retention ledger for the four record elements the regulation requires (dish name, weight, time, person), the 125-gram minimum, the 48-hour cold-storage window, and template placeholders left in a cell.

It checks the ledger, not the kitchen. A missing row means the ledger cannot prove a sample was taken; it does not mean no sample was taken.

Install

dsh plugin --profile <name> add dsh-canteen-retention-check
dsh --profile <name> --dump-config | grep 'dsh-canteen-retention-check'

What it looks like

*Workflow overview: document → rule pack → findings.*

Boundary: this only checks the ledger's own completeness and internal time consistency. It does not judge whether a retained sample would satisfy an inspection, whether the food was safe, or what happened in the kitchen. A blank cell is reported as "the ledger does not record it", not as "it did not happen" — the two are different claims and only the first is supportable from a document.

What it answers

• Does every row name the dish, the weight, the time and the person?
• Is each weight at least 125 grams?
• Is the retention time recorded to the minute, and not in the future?
• Was the sample kept at least 48 hours before release?
• Does any cell still hold template text such as XXX or 待填?
• Does every dish on the menu have a retained sample? This is the one rule that

needs two ledgers; a single table can check a row's weight, but only a join can find a dish that has no sample row at all.

Standards it follows

The pack quotes 《学校食品安全与营养健康管理规定》(教育部 国家市场监督管理总局 国家卫生健康委员会令第45号) 第四十条 verbatim:

中小学、幼儿园食堂应当对每餐次加工制作的每种食品成品进行留样，每个品种留样量应当满足检验需要，不得少于125克，并记录留样食品名称、留样量、留样时间、留样人员等。

That single clause supplies the four elements and the 125-gram floor, which is why the pack marks those checks direct and caps them at error. The 48-hour window is checked as a day gap and is labelled as such, not as a quotation of a clause it does not appear in.

Compatibility

Surface · Status Harness · peer range >=0.1.2-rc.1 =0.2.0-0 =24.0.0 Platforms · all (pure ESM; no native code, no network, no model call)

What it does

Nine rules, all single-table checks over the ledger:

Rule · Check CF-001 · Dish name present CF-002 · Weight ≥ 125 g CF-003 · Sample time present CF-004 · Sample person present CF-005 · Sample time written to the minute CF-006 · Release at least 2 days after sampling CF-007 · Meal present CF-008 · No template placeholder in the dish name CF-009 · Sample time not in the future

A column that is absent from the ledger entirely is reported as "not applicable" rather than as a violation of every row: a sheet without a 留样量 column is a shape problem, and saying "every row is wrong" would bury it.

Configuration

Key · Default · Meaning rulesFile · rules/canteen-retention-check.yaml · 规则库路径

Material format

One row per retained sample:

Column · Meaning 餐次 · Meal: 早餐 / 午餐 / 晚餐 留样食品名称 · Dish name 留样量 · Weight in grams 留样时间 · Sampling time, YYYY-MM-DD HH:MM 出柜时间 · Release time, same format 留样人员 · Person who retained the sample

Column aliases are declared in src/model.ts, so 品名, 留样重量, 留样人 and English names also resolve.

Rule sources

Quotations live in rules/evidence/clause-verification-school-food-safety.md and in the pack itself; check:citations verifies each appears verbatim.

Known limit: the 48-hour window is compared as whole days (dateGap, minDays: 2), so a sample released at 47 hours on the second day is not distinguished from one released at 49 hours. Tightening that needs an hour-level check, which the current engine kind does not provide.

Troubleshooting

• The plugin installs but the tool never appears: check that main resolves to lib/index.mjs and that pnpm run build produced it.
• `dsh plugin add` rejects the package: the peer range covers 0.1.x and 0.2.x; outside it, grant an explicit exemption.
• A rule did not run: read the skipped array.

Development

pnpm install
pnpm run typecheck
pnpm test
pnpm run build
node ../scripts/sync-shared.mjs dsh-canteen-retention-check

PerryLink DSH Plugin Family

This project is part of the DeepSeek Harness plugin family from PerryLink. The roster stays collapsed below so every README keeps a short first screen; expand it to see every row and its status.

Expand all plugins

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License

Apache License 2.0 © 2026 dsh-canteen-retention-check contributors.