Stock movements

You never type a consumable’s stock count directly. Every change to a count is recorded as a stock movement, and the on-hand figure you see is kept in step with those movements. The list of movements is an append-only ledger — the running record of everything that has happened to a consumable’s stock — and it is the source of truth. Read Consumables & categories first if you have not created a consumable yet.

The three kinds of movement

• In — adds to the count (a restock, a new delivery).
• Out — subtracts from the count (you issued or consumed some).
• Adjust — sets the count to an exact number. Use it for a physical recount, when what is on the shelf no longer matches what lazyit thinks.

Every movement records a positive quantity; the kind (In / Out / Adjust) decides what happens to the count. An Out can never take stock below zero — if you try to remove more than is on hand, lazyit refuses it and nothing is recorded.

Quick adjust (the common case)

The fast path is the −1 / +1 pair on every consumables list row and on the Stock panel of a consumable’s detail page. One click records a quantity-1 Out or In and the count updates immediately. The −1 button is disabled at 0 on hand. This covers the everyday “took one / put one back” without filling in a form.

The detailed form (be specific)

On a consumable’s detail page, the Add…, Remove… and Adjust… buttons open a dialog where you choose:

• a quantity (a whole number, 1 or more),
• and, optionally, a Reason (a short line — e.g. restock, issued to Ada) and Notes.

For Remove, the dialog warns you inline if the quantity exceeds what is on hand; the count is still enforced when you submit. For Adjust, the quantity field becomes a new stock count — the number you actually counted on the shelf — and lazyit sets the on-hand figure to exactly that.

The ledger is permanent

Movements are immutable: once recorded, a movement is never edited or deleted. If you got something wrong, you fix it by recording another movement — an opposite In/Out, or an Adjust to the correct count. This is deliberate: the history of a consumable’s stock stays honest and auditable.

The Movements panel on the detail page lists each movement newest-first, showing its type, the signed quantity (+, − or =), any reason, who performed it, and when. A movement made by a person shows that person; one made automatically (for example by a service account) shows as System.