chore: perauset customer project

sql/0011-inventory.sql

@@ -0,0 +1,49 @@
+-- ============================================================
+-- Inventory enum types
+-- ============================================================
+
+CREATE TYPE app.inventory_request_status AS ENUM ('submitted', 'approved', 'rejected', 'fulfilled', 'cancelled');
+
+-- ============================================================
+-- Inventory items
+-- ============================================================
+
+CREATE TABLE app.inventory_item (
+  item_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  name TEXT NOT NULL,
+  unit TEXT NOT NULL DEFAULT 'unit',
+  current_quantity NUMERIC NOT NULL DEFAULT 0,
+  minimum_quantity NUMERIC NOT NULL DEFAULT 0,
+  is_active BOOLEAN NOT NULL DEFAULT true,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+CREATE INDEX idx_inventory_item_active ON app.inventory_item(is_active);
+
+-- ============================================================
+-- Inventory requests
+-- ============================================================
+
+CREATE TABLE app.inventory_request (
+  request_id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  requested_by_user_id UUID NOT NULL REFERENCES app."user"(user_id),
+  item_id UUID REFERENCES app.inventory_item(item_id),
+  item_name TEXT NOT NULL,
+  quantity NUMERIC NOT NULL,
+  unit TEXT NOT NULL,
+  purpose TEXT,
+  status app.inventory_request_status NOT NULL DEFAULT 'submitted',
+  reviewed_by_user_id UUID REFERENCES app."user"(user_id),
+  reviewed_at TIMESTAMPTZ,
+  review_notes TEXT,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+CREATE INDEX idx_inventory_request_status ON app.inventory_request(status);
+CREATE INDEX idx_inventory_request_user ON app.inventory_request(requested_by_user_id);
+
+-- Enable audit
+SELECT app.enable_audit('inventory_item', 'item_id');
+SELECT app.enable_audit('inventory_request', 'request_id');