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Warehouse & Inventory Management / Quality Control, Inspection & Quarantine

Quarantine Hold & Release Manager

Build your own internal tool that places holds on suspect inventory, keeps held stock out of available-to-promise, and forces a quality manager's sign-off before anything is released or scrapped.

IntermediateA weekendBuilds onNext.js (App Router) on VercelSupabase (Postgres, Storage, Auth + RLS)Resend (email alerts)
What you'll build

A working quarantine system where suspect lots get held, drop out of available stock instantly, age until reviewed, and can only become sellable or scrap after a quality manager formally approves the decision - with a full audit trail and a clean CSV status export for your system of record.

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Before you start

  • A free Supabase account
  • A free Vercel account
  • A free Resend account
  • A list (CSV or Google Sheet) of the stock you'd hold, with lot and location columns

The problem this kills

A pallet looks wrong. A lot fails inspection. A customer complaint lands and you need to freeze everything from that batch - now. But the stock is still sitting in your system as "available," which means somebody can pick it, ship it, and turn a quality scare into a recall before you've even finished writing the email.

Most warehouses manage quarantine with a whiteboard, a "DO NOT SHIP" sticky note, and a prayer. Held stock leaks. Releases happen because someone said "yeah it's fine" in the aisle - no record, no sign-off. Holds sit forgotten for months because nothing nags anyone. And when an auditor asks "who authorized releasing lot 4471 back to sellable?", the honest answer is a shrug.

This kills that. Hold goes on, stock disappears from available-to-promise the instant you place it, and nothing comes back out without a quality manager putting their name on the decision.

What you'll build

A small, secure web app your team logs into to:

  • Place a hold on a specific lot and location, with a reason code and notes - and watch that quantity drop out of "available" immediately.
  • See every active hold, how long it's been held (aging), and which ones are getting stale.
  • Investigate - QC adds findings, photos, and a recommended disposition (release back to sellable, or scrap).
  • Gate the release - a quality manager reviews the recommendation and either approves or rejects it. Only an approval flips the inventory status.
  • Export a clean CSV of every status change in exactly the columns your WMS or ERP expects, so your system of record stays in sync even with no live integration.

What's inside the Implementation Plan

  • It starts by interviewing you about your business. Before a single line is built, the plan has the AI agent ask you how your quarantine process actually works today, what your lot and location codes look like, who's allowed to release stock, your real hold reasons, and your messiest edge cases. It reads a short tailored spec back to you, you confirm it, and then it builds a tool shaped to your operation - not a generic template you have to fight.
  • A step-by-step build you paste into an AI coding agent, one prompt at a time.
  • A data model for lots, locations, holds, investigations, and dispositions tuned to your naming conventions.
  • Available-to-promise logic that subtracts held quantity automatically.
  • Aging alerts by email when a hold sits too long.
  • Duplicate guards so the same lot/location can't be double-held by mistake.
  • A complete audit trail and a CSV export path that works today, with no API to your existing system.

The governance it includes (this is the point)

  • Login so only your team can touch quarantine.
  • Row-level security so each organization only ever sees its own holds.
  • A hard human gate: the AI and QC can recommend a release or scrap, but the inventory status does not change until a quality manager approves it. Drafts are drafts; approval is approval.
  • A full audit trail: who placed the hold, who investigated, who approved or rejected, with timestamps and reasons - exportable for any audit.
  • Duplicate guards so a lot/location can't accidentally be held twice or released twice.

Who it's for

Quality managers, inventory control teams, and QC inspectors who need quarantine to be airtight - where held stock genuinely can't be picked, and every release is a deliberate, signed-off decision. No coding background required.

You've got this - paste the first prompt and let the agent interview you.

Gated download

Enter your email — the plan downloads instantly and a copy lands in your inbox.

By submitting your email you'll also receive the weekly runbookify newsletter. You can unsubscribe at any time.