docs: split Structure into six linked department pages

docs/organization/structure/operations.mdx

@@ -0,0 +1,21 @@
+---
+title: Operations
+pagination_prev: structure/technology
+pagination_next: structure/marketing
+description: Operations purpose, teams and responsibilities in Eldorado’s operating model.
+---
+
+**Purpose:** keep marketplace trading dependable and resolve customer issues fairly and efficiently.
+
+**Operations Squad** delivers the department’s responsibilities across the following workstreams.
+
+| Workstream | Responsibilities |
+| --- | --- |
+| Customer Support | Buyer and seller assistance, knowledge management, self-service and support workflow automation. |
+| Trust & Resolution | Disputes, appeals, refunds, warranties, chargebacks and complex customer cases. |
+| Risk & Fraud | Transaction and account risk, fraud prevention, investigations and operational controls. |
+| Operational Quality | Independent case reviews, quality standards, calibration, service accuracy and improvement tracking across operational teams. |
+
+The COO coordinates Operations. Team leads manage specialists and daily service delivery. Operational Quality reports directly to the COO and reviews quality across teams.
+
+[Return to Structure overview](../structure.mdx)