Event types and dispositions

The inventory event vocabulary is fixed by the schema. Events are append-only and idempotency-protected; projected balances are derived from these rows.

23 event types3 dispositions5 adjustment reasons

Event types

Event type	Class	Written by
opening_balance	Stock increase	Initial stock creation/seed history.
purchase_receipt	Stock increase	Receiving a purchase order.
manufacturing_output	Stock increase	Recording produced output.
manual_adjustment_increase	Stock increase	Adjustment count above current available quantity.
stocktake_gain	Stock increase	Completed stocktake count above expected quantity.
manufacturing_variance_gain	Stock increase	Manufacturing variance that returns stock.
transfer_in	Stock increase	Receiving side of an inventory transfer.
unpick_restock	Stock increase	Returning picked material to stock.
manual_adjustment_decrease	Stock decrease	Adjustment count below current available quantity.
stocktake_loss	Stock decrease	Completed stocktake count below expected quantity.
sales_consumption	Stock decrease	Delivering sales stock.
manufacturing_ingredient_consumption	Stock decrease	Consuming ingredients into production.
manufacturing_variance_loss	Stock decrease	Manufacturing variance that consumes extra stock.
quality_scrap	Stock decrease	Scrapping quantity from a disposition.
transfer_out	Stock decrease	Sending side of an inventory transfer.
quality_disposition_change	Disposition	Moving quantity between available, blocked, and rejected.
demand_increase	Planning	Registering demand without moving stock.
demand_release	Planning	Releasing demand without moving stock.
expected_increase	Planning	Registering expected supply without moving stock.
expected_release	Planning	Releasing expected supply without moving stock.
cost_basis_change	Cost only	Changing item cost basis with quantity 0.
landed_cost_revaluation	Cost only	Revaluing PO-referenced tracked stock still on hand.
stocktake_verification	Cost only	Completing a zero-variance stocktake line.

Dispositions

Disposition	Meaning	Usable
available	Ready to sell, consume, allocate, or count as usable stock.	Yes
blocked	Hold for inspection without passing or failing it yet.	No
rejected	Failed quality review and may be scrapped.	No

Quality actions are release, block, reject, and scrap. Release/block/reject write quality_disposition_change; scrap writes quality_scrap.

Adjustment reasons

Reason	Use when
cycle_count	A routine count corrected inventory.
found_stock	Physical stock exists but was missing from the system.
damaged_spoiled	Stock was lost to damage, spoilage, or similar.
data_correction	Correcting an earlier entry or system data issue.
other	None of the specific reasons fit.