chore: add copyright headers to dashboard files

Author: Adeyemi-cmd

apps/web/src/dashboard/fixture-health-check.ts

@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 import type { DashboardData, KeeperDryRunPhase, RoundStatus } from "./types";
 
 type UnknownRecord = Record<string, unknown>;

apps/web/src/dashboard/fixture.ts

@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 // Bundled fixture for the monitoring dashboard.
 // Used when VITE_DASHBOARD_ENDPOINT is not configured.
 

apps/web/src/dashboard/types.ts

@@ -1,3 +1,4 @@
+// Copyright (c) 2026 Sub Rosa contributors
 // Types for the monitoring dashboard data structure.
 
 export type RoundStatus = "Open" | "Revealing" | "Cleared" | "Settled" | "Voided";