added admin dashboard

src/lib/server/submissions.ts

@@ -0,0 +1,35 @@
+import { readJson, writeJson } from './storage';
+import { randomUUID } from 'node:crypto';
+
+export type Submission = {
+  id: string;
+  name: string;
+  dog: string;
+  message: string;
+  createdAt: string;
+  ip?: string;
+};
+
+const FILE = 'submissions.json';
+
+export function listSubmissions(): Submission[] {
+  const items = readJson<Submission[]>(FILE, []);
+  return [...items].sort((a, b) => b.createdAt.localeCompare(a.createdAt));
+}
+
+export function addSubmission(input: Omit<Submission, 'id' | 'createdAt'>): Submission {
+  const items = readJson<Submission[]>(FILE, []);
+  const entry: Submission = {
+    id: randomUUID(),
+    createdAt: new Date().toISOString(),
+    ...input
+  };
+  items.push(entry);
+  writeJson(FILE, items);
+  return entry;
+}
+
+export function deleteSubmission(id: string): void {
+  const items = readJson<Submission[]>(FILE, []);
+  writeJson(FILE, items.filter((s) => s.id !== id));
+}