feat(db): add guests table and claimed_by_guest_id column

lib/db/index.ts

@@ -103,6 +103,16 @@ export async function initializeDatabase() {
       )
     `);
 
+    // Create guests table
+    sqlite.exec(`
+      CREATE TABLE IF NOT EXISTS guests (
+        id TEXT PRIMARY KEY NOT NULL,
+        name TEXT NOT NULL,
+        created_at INTEGER DEFAULT (unixepoch()) NOT NULL,
+        updated_at INTEGER DEFAULT (unixepoch()) NOT NULL
+      )
+    `);
+
     // Run migrations for existing databases
     try {
       const columns = sqlite.pragma('table_info(wishlists)') as Array<{ name: string }>;
@@ -127,6 +137,26 @@ export async function initializeDatabase() {
         sqlite.exec('ALTER TABLE wishlists ADD COLUMN preferences TEXT');
         console.log('✅ Added preferences column to wishlists table');
       }
+
+      const itemColumns = sqlite.pragma('table_info(wishlist_items)') as Array<{ name: string }>;
+
+      const hasClaimedByGuestId = itemColumns.some((col) => col.name === 'claimed_by_guest_id');
+      if (!hasClaimedByGuestId) {
+        sqlite.exec('ALTER TABLE wishlist_items ADD COLUMN claimed_by_guest_id TEXT REFERENCES guests(id) ON DELETE SET NULL');
+        console.log('✅ Added claimed_by_guest_id column to wishlist_items');
+      }
+
+      const hasClaimedByName = itemColumns.some((col) => col.name === 'claimed_by_name');
+      const hasClaimedByToken = itemColumns.some((col) => col.name === 'claimed_by_token');
+      if (hasClaimedByName || hasClaimedByToken) {
+        if (hasClaimedByName) {
+          sqlite.exec('UPDATE wishlist_items SET claimed_by_name = NULL');
+        }
+        if (hasClaimedByToken) {
+          sqlite.exec('UPDATE wishlist_items SET claimed_by_token = NULL');
+        }
+        console.log('ℹ️  Legacy claim columns nullified (claimed_by_name / claimed_by_token)');
+      }
     } catch (migrationError) {
       console.log('Migration already applied or not needed');
     }