feat(landscape): multi-photo gallery like rooms with uploads and ordering

src/lib/schema.ts

@@ -101,7 +101,8 @@ export async function initSchema() {
       id SERIAL PRIMARY KEY,
       name VARCHAR(255) NOT NULL,
       description TEXT NOT NULL,
-      photo VARCHAR(500),
+      photos TEXT[] DEFAULT '{}',
+      featured_photo VARCHAR(500),
       distance_km NUMERIC(8,2),
       visit_time VARCHAR(100),
       suggestion TEXT,
@@ -165,6 +166,12 @@ export async function initSchema() {
     ALTER TABLE users ADD COLUMN IF NOT EXISTS last_name VARCHAR(100);
   `);
 
+  await db.query(`
+    ALTER TABLE places ADD COLUMN IF NOT EXISTS featured_photo VARCHAR(500);
+    UPDATE places SET photos = ARRAY[photo] WHERE photo IS NOT NULL AND (photos IS NULL OR photos = '{}');
+    ALTER TABLE places DROP COLUMN IF EXISTS photo;
+  `);
+
   await db.query(`
     CREATE TABLE IF NOT EXISTS user_sessions (
       id SERIAL PRIMARY KEY,