Feat: Build out server shell

Frontend/src/components/shell/AppShell/AppShell.tsx

@@ -26,24 +26,28 @@ export const AppShell = (): JSX.Element => {
 	return (
 		<div class={styles.shell}>
 			<TopBar theme={themeState()} onToggleTheme={toggleTheme} />
+
 			<div class={styles.body}>
+				{/* Left server rail */}
 				<div class={styles.railColumn}>
 					<LeftRail />
 				</div>
 
+				{/* Sidebar + main workspace frame */}
 				<div class={styles.workspaceRegion}>
 					<div class={styles.sidebarColumn}>
 						<WorkspaceSidebar />
-
-						<div class={styles.sidebarDock}>
-							<ServerDock />
-						</div>
 					</div>
 
 					<div class={styles.workspaceMain}>
 						<WorkspaceHome />
 					</div>
 				</div>
+
+				{/* Floating server dock overlay */}
+				<div class={styles.sidebarDock}>
+					<ServerDock />
+				</div>
 			</div>
 		</div>
 	);