Feat: Replace profile dock with server dock

Frontend/src/components/shell/ServerDock/ServerDock.module.scss

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+.panel {
+  --server-dock-glyph-size: var(--control-size-md);
+  --server-dock-action-min-height: var(--space-8);
+  --server-dock-border: color-mix(in srgb, var(--color-border-strong) 75%, transparent);
+  --server-dock-surface: color-mix(in srgb, var(--color-surface) 94%, transparent);
+  position: relative;
+  z-index: 1;
+  width: 100%;
+  display: grid;
+  gap: var(--space-2);
+  padding: var(--space-3) var(--space-3) var(--space-2);
+  border: 1px solid var(--server-dock-border);
+  border-radius: calc(var(--radius-xl) + var(--space-1));
+  background: var(--server-dock-surface);
+  box-shadow:
+    0 20px 48px color-mix(in srgb, black 16%, transparent),
+    var(--shadow-strong);
+  backdrop-filter: blur(var(--blur-overlay));
+}
+
+.identity {
+  display: grid;
+  grid-template-columns: auto minmax(0, 1fr);
+  gap: var(--space-3);
+  align-items: center;
+}
+
+.glyph {
+  width: var(--server-dock-glyph-size);
+  height: var(--server-dock-glyph-size);
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: var(--radius-lg);
+  background: color-mix(in srgb, var(--color-accent-soft) 84%, transparent);
+  color: var(--color-accent-strong);
+  @include text-label;
+}
+
+.copy {
+  min-width: 0;
+  display: grid;
+  gap: 0.15rem;
+}
+
+.name {
+  @include text-label;
+}
+
+.status,
+.subtitle {
+  @include text-caption;
+  color: var(--color-text-muted);
+}
+
+.status {
+  display: inline-flex;
+  align-items: center;
+  gap: var(--space-1);
+}
+
+.statusDot {
+  width: 0.45rem;
+  height: 0.45rem;
+  flex: 0 0 auto;
+  border-radius: 999px;
+  background: var(--color-success);
+  box-shadow: 0 0 0 0.1rem color-mix(in srgb, var(--color-success) 18%, transparent);
+}
+
+.actions {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: var(--space-2);
+}
+
+.action {
+  min-height: var(--server-dock-action-min-height);
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  gap: var(--space-1);
+  @include interactive-frame(var(--color-surface-muted));
+  @include interactive-frame-hover();
+}
+
+.actionLabel {
+  @include text-caption;
+}

Frontend/src/components/shell/ServerDock/ServerDock.tsx

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+// Path: Frontend/src/components/shell/ServerDock/ServerDock.tsx
+
+import { For, Show, type JSX } from "solid-js";
+import { activeServer } from "../data/shell.data";
+import styles from "./ServerDock.module.scss";
+
+export const ServerDock = (): JSX.Element => {
+	return (
+		<section class={styles.panel} aria-label="Server dock">
+			<div class={styles.identity}>
+				<div class={styles.glyph} aria-hidden="true">
+					{activeServer.abbreviation}
+				</div>
+				<div class={styles.copy}>
+					<span class={styles.name}>{activeServer.name}</span>
+					<Show
+						when={activeServer.kind === "organization"}
+						fallback={<span class={styles.subtitle}>{activeServer.subtitle}</span>}
+					>
+						<span class={styles.status}>
+							<span class={styles.statusDot} aria-hidden="true" />
+							<span>{activeServer.connectedLabel}</span>
+						</span>
+					</Show>
+				</div>
+			</div>
+
+			<Show when={activeServer.dockActions.length > 0}>
+				<div class={styles.actions}>
+					<For each={activeServer.dockActions}>
+						{(item): JSX.Element => {
+							const Icon = item.icon;
+
+							return (
+								<button type="button" class={styles.action} aria-label={item.label} title={item.label}>
+									<Icon size={16} strokeWidth={2} />
+									<span class={styles.actionLabel}>{item.label}</span>
+								</button>
+							);
+						}}
+					</For>
+				</div>
+			</Show>
+		</section>
+	);
+};