docs: align departments and add departmental squads

docs/organization/structure.mdx

@@ -24,7 +24,7 @@ Functional leaders translate company priorities into departmental plans. Team le
 
 ## Departments and teams
 
-Product has **two teams** and Technology has **five teams**. Each team belongs to one department, with its own leadership and responsibilities. The departments collaborate on delivery without sharing team ownership.
+Product has **two teams** and Technology has **five teams**. Operations, Marketing, Finance & Accounting, and HR & Administration each have **one squad** covering their departmental workstreams. Each team belongs to one department, with its own leadership and responsibilities. The departments collaborate on delivery without sharing team ownership.
 
 ### Product
 
@@ -55,7 +55,9 @@ The CTO owns technology direction. The Head of Engineering leads engineering del
 
 **Purpose:** keep marketplace trading dependable and resolve customer issues fairly and efficiently.
 
-| Team | Responsibilities |
+**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. |
@@ -68,7 +70,9 @@ The COO coordinates Operations. Team leads manage specialists and daily service
 
 **Purpose:** attract and retain customers, build the Eldorado brand and grow marketplace demand.
 
-| Team / workstream | Responsibilities |
+**Marketing Squad** delivers the department’s responsibilities across the following workstreams.
+
+| Workstream | Responsibilities |
 | --- | --- |
 | Brand & Community | Brand positioning, campaigns, organic social, community and brand partnerships. |
 | Creative | Campaign concepts, visual assets and performance creative. |
@@ -83,7 +87,9 @@ The CMO coordinates Marketing. The Brand Team Lead owns Brand & Community, with
 
 **Purpose:** maintain financial control, support business decisions and keep marketplace money flows dependable.
 
-| Team / function | Responsibilities |
+**Finance & Accounting Squad** delivers the department’s responsibilities across the following workstreams.
+
+| Workstream | Responsibilities |
 | --- | --- |
 | Financial Planning & Analysis | Budgets, forecasts, profitability, management reporting and investment analysis. |
 | Accounting, Tax & Controls | Accounting, financial reporting, tax, audit coordination and internal controls. |
@@ -95,7 +101,9 @@ The CFO coordinates Finance & Accounting and works with executive leadership on
 
 **Purpose:** help teams attract, develop and retain people and provide an effective working environment.
 
-| Team | Responsibilities |
+**People & Administration Squad** delivers the department’s responsibilities across the following workstreams.
+
+| Workstream | Responsibilities |
 | --- | --- |
 | Talent Acquisition | Recruitment, candidate experience, hiring coordination and workforce demand support. |
 | People Operations | Employee onboarding, development, performance processes, policies and employee experience. |