What's on hand, committed, in transit, and late, per warehouse, store, 3PL, or truck. Movements from orders, receipts, and jobs; availability for Sales; replenishment proposals that become purchase orders.
A few of the views inside Inventory.
One app owns the whole domain. These are the workflows, views, and features inside it, rather than a separate tool for each.
Every person gets their own agent; teams can share one. Sensitive actions wait for approval, and every action is logged with the data it used and the outcome.
Add a field, a stage, a rule, a view, or a workflow inside this app. It's built on the same records and permissions, as open code you can change again.
Add a "inventory" view for my team: only what's mine, due this week, with the agent's drafts on top.