feat: user portal with trips, wifi, welcome message, chat; admin trips & messages mgmt

src/lib/schema.ts

@@ -233,6 +233,29 @@ export async function initSchema() {
       UNIQUE(room_id, date)
     );
   `);
+
+  await db.query(`
+    CREATE TABLE IF NOT EXISTS trips (
+      id SERIAL PRIMARY KEY,
+      user_id INTEGER REFERENCES users(id) ON DELETE CASCADE,
+      room_id INTEGER REFERENCES rooms(id) ON DELETE SET NULL,
+      check_in DATE NOT NULL,
+      check_out DATE NOT NULL,
+      notes TEXT,
+      status VARCHAR(20) NOT NULL DEFAULT 'confirmed' CHECK (status IN ('pending', 'confirmed', 'checked_in', 'checked_out', 'cancelled')),
+      created_at TIMESTAMP DEFAULT NOW()
+    );
+  `);
+
+  await db.query(`
+    CREATE TABLE IF NOT EXISTS messages (
+      id SERIAL PRIMARY KEY,
+      user_id INTEGER REFERENCES users(id) ON DELETE CASCADE,
+      sender_role VARCHAR(20) NOT NULL CHECK (sender_role IN ('user', 'admin')),
+      message TEXT NOT NULL,
+      created_at TIMESTAMP DEFAULT NOW()
+    );
+  `);
 }
 
 export async function migrateFromLegacyPlaces() {