Feat: Add granular error reporting to Checkout Flow

src/scenes/user/checkout.js

@@ -108,8 +108,20 @@ async function finishOrder(ctx) {
         return ctx.scene.leave();
 
     } catch (err) {
-        console.error(err);
-        ctx.reply("System Error.");
+        console.error("ORDER_CREATION_ERROR:", err);
+
+        // Handle Duplicate Key Error (Self-Healing Attempt)
+        if (err.code === 11000) {
+            ctx.reply("⚠️ Tizimda qisqa nosozlik (ID Duplicate). Iltimos, qayta 'Buyurtma berish' tugmasini bosing.");
+            // Ideally we retry, but for now asking user is safer than infinite loop
+        } else {
+            const errorMsg = (err.message || "").substring(0, 50);
+            ctx.reply(`❌ Tizim xatoligi yuz berdi: ${errorMsg}\n\nIltimos, adminga xabar bering.`);
+            // Notify admin about the crash
+            for (const adminId of config.ADMIN_IDS) {
+                ctx.telegram.sendMessage(adminId, `🚨 **CRITICAL CHECKOUT ERROR**:\nUser: ${ctx.from.id}\nError: ${err.message}`, { parse_mode: 'Markdown' }).catch(e => console.error(e));
+            }
+        }
         return ctx.scene.leave();
     }
 }