feat/mfa: Added multifactor authentication.

server/src/db/migrations.ts

@@ -193,6 +193,10 @@ function runMigrations(db: Database.Database): void {
     () => {
       try { db.exec('ALTER TABLE reservations ADD COLUMN reservation_end_time TEXT'); } catch {}
     },
+    () => {
+      try { db.exec('ALTER TABLE users ADD COLUMN mfa_enabled INTEGER DEFAULT 0'); } catch {}
+      try { db.exec('ALTER TABLE users ADD COLUMN mfa_secret TEXT'); } catch {}
+    },
   ];
 
   if (currentVersion < migrations.length) {

server/src/db/schema.ts

@@ -15,6 +15,8 @@ function createTables(db: Database.Database): void {
       oidc_sub TEXT,
       oidc_issuer TEXT,
       last_login DATETIME,
+      mfa_enabled INTEGER DEFAULT 0,
+      mfa_secret TEXT,
       created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
       updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
     );