feat: add media supply billing center

server/migrations/20260629110000_add_media_supply_billing_fact_columns.up.sql

@@ -0,0 +1,34 @@
+ALTER TABLE media_supply_wallet_ledgers
+    ADD COLUMN IF NOT EXISTS sales_cents BIGINT NOT NULL DEFAULT 0,
+    ADD COLUMN IF NOT EXISTS cost_cents BIGINT NOT NULL DEFAULT 0,
+    ADD COLUMN IF NOT EXISTS gross_profit_cents BIGINT NOT NULL DEFAULT 0;
+
+UPDATE media_supply_wallet_ledgers l
+SET sales_cents = CASE
+        WHEN l.reason = 'order_debit' THEN o.sell_total_cents
+        WHEN l.reason = 'order_refund' THEN -o.sell_total_cents
+        ELSE 0
+    END,
+    cost_cents = CASE
+        WHEN l.reason = 'order_debit' THEN o.cost_total_cents
+        WHEN l.reason = 'order_refund' THEN -o.cost_total_cents
+        ELSE 0
+    END,
+    gross_profit_cents = CASE
+        WHEN l.reason = 'order_debit' THEN o.sell_total_cents - o.cost_total_cents
+        WHEN l.reason = 'order_refund' THEN -(o.sell_total_cents - o.cost_total_cents)
+        ELSE 0
+    END
+FROM media_supply_orders o
+WHERE l.order_id = o.id
+  AND l.reason IN ('order_debit', 'order_refund');
+
+ALTER TABLE media_supply_wallet_ledgers
+    ADD CONSTRAINT chk_media_supply_wallet_ledger_fact_non_negative
+    CHECK (
+        reason = 'order_refund'
+        OR (sales_cents >= 0 AND cost_cents >= 0 AND gross_profit_cents >= 0)
+    ) NOT VALID;
+
+ALTER TABLE media_supply_wallet_ledgers
+    VALIDATE CONSTRAINT chk_media_supply_wallet_ledger_fact_non_negative;