Fix: Explicit delivery method check to prevent Pickup fallback to Yandex

src/scenes/user/checkout.js

@@ -199,10 +199,10 @@ const checkoutScene = new Scenes.WizardScene(
             return ctx.wizard.selectStep(0) && ctx.wizard.steps[0](ctx);
         }
 
-        const text = ctx.message.text;
+        const text = ctx.message.text.trim(); // Trim input
         ctx.wizard.state.deliveryMethod = text;
 
-        if (text === i18n.delivery_pickup) {
+        if (text === i18n.delivery_pickup.trim()) {
             ctx.wizard.state.location = null;
 
             const Settings = require('../../models/Settings');
@@ -224,24 +224,34 @@ const checkoutScene = new Scenes.WizardScene(
             return ctx.wizard.selectStep(6);
         }
 
-        if (text === i18n.delivery_bts) {
+        if (text === i18n.delivery_bts.trim()) {
             ctx.reply("📝 " + i18n.settings_addr, navKeyboard(ctx, i18n));
             return ctx.wizard.next(); // Step 3
         }
 
-        // Yandex
-        const user = ctx.wizard.state.user;
-        const btns = [];
-        if (user && user.addresses && user.addresses.length > 0) {
-            user.addresses.forEach((addr, i) => {
-                btns.push([i18n.checkout_location_saved.replace('{name}', addr.name || 'Saved Address')]);
-            });
+        // Yandex Explicit Check
+        if (text === i18n.delivery_yandex.trim()) {
+            const user = ctx.wizard.state.user;
+            const btns = [];
+            if (user && user.addresses && user.addresses.length > 0) {
+                user.addresses.forEach((addr, i) => {
+                    btns.push([i18n.checkout_location_saved.replace('{name}', addr.name || 'Saved Address')]);
+                });
+            }
+            btns.push([Markup.button.locationRequest(i18n.location_button)]);
+            btns.push([i18n.btn_back_nav, i18n.btn_cancel]);
+
+            ctx.reply(i18n.address_prompt, Markup.keyboard(btns).resize().oneTime());
+            return ctx.wizard.selectStep(5); // Step 5
         }
-        btns.push([Markup.button.locationRequest(i18n.location_button)]);
-        btns.push([i18n.btn_back_nav, i18n.btn_cancel]);
 
-        ctx.reply(i18n.address_prompt, Markup.keyboard(btns).resize().oneTime());
-        return ctx.wizard.selectStep(5); // Step 5
+        // Unknown Input
+        ctx.reply(i18n.delivery_select, Markup.keyboard([
+            [i18n.delivery_yandex, i18n.delivery_bts],
+            [i18n.delivery_pickup],
+            [i18n.btn_back_nav, i18n.btn_cancel]
+        ]).resize().oneTime());
+        return; // Stay in step
     },
     // Step 3: BTS Address
     (ctx) => {