feat: implement admin dashboard with site settings, user management, and activity monitoring

backend/src/db/migrations.ts

@@ -1,4 +1,4 @@
-import type Database from 'better-sqlite3'
+import type Database from "better-sqlite3";
 
 export function runMigrations(db: Database.Database): void {
   db.exec(`
@@ -51,35 +51,49 @@ export function runMigrations(db: Database.Database): void {
 
     CREATE INDEX IF NOT EXISTS idx_saved_exams_user ON saved_exams(user_id);
     CREATE INDEX IF NOT EXISTS idx_exam_results_user ON exam_results(user_id);
-  `)
+  `);
 
   // ── Add role column if missing (existing databases) ──
-  const cols = db.prepare(`PRAGMA table_info(users)`).all() as { name: string }[]
-  if (!cols.some(c => c.name === 'role')) {
-    db.exec(`ALTER TABLE users ADD COLUMN role TEXT NOT NULL DEFAULT 'user'`)
+  const cols = db.prepare(`PRAGMA table_info(users)`).all() as {
+    name: string;
+  }[];
+  if (!cols.some((c) => c.name === "role")) {
+    db.exec(`ALTER TABLE users ADD COLUMN role TEXT NOT NULL DEFAULT 'user'`);
   }
 
   // ── Promote first user to admin if no admins exist ──
-  const adminCount = db.prepare(`SELECT COUNT(*) AS cnt FROM users WHERE role = 'admin'`).get() as { cnt: number }
+  const adminCount = db
+    .prepare(`SELECT COUNT(*) AS cnt FROM users WHERE role = 'admin'`)
+    .get() as { cnt: number };
   if (adminCount.cnt === 0) {
-    db.prepare(`UPDATE users SET role = 'admin' WHERE id = (SELECT MIN(id) FROM users)`).run()
+    db.prepare(
+      `UPDATE users SET role = 'admin' WHERE id = (SELECT MIN(id) FROM users)`,
+    ).run();
   }
 
   // ── Seed default settings ──
   const defaults: Record<string, string> = {
-    site_name: 'BrainWave',
-    max_upload_mb: '5',
-    allow_guest_mode: 'true',
-    registration_enabled: 'true',
-    default_theme: 'light',
-    maintenance_mode: 'false',
-    maintenance_message: 'We are currently performing maintenance. Please check back soon.',
-  }
+    site_name: "BrainWave",
+    max_upload_mb: "5",
+    allow_guest_mode: "true",
+    registration_enabled: "true",
+    default_theme: "light",
+    maintenance_mode: "false",
+    maintenance_message:
+      "We are currently performing maintenance. Please check back soon.",
+    smtp_host: "",
+    smtp_port: "587",
+    smtp_user: "",
+    smtp_pass: "",
+    smtp_from: "BrainWave <noreply@brainwave.local>",
+    smtp_secure: "auto",
+    app_url: "http://localhost:5173",
+  };
   const upsert = db.prepare(`
     INSERT INTO site_settings (key, value) VALUES (?, ?)
     ON CONFLICT(key) DO NOTHING
-  `)
+  `);
   for (const [key, value] of Object.entries(defaults)) {
-    upsert.run(key, value)
+    upsert.run(key, value);
   }
 }