Upgrade AI models: GPT Image + Seedream5, fix Uz-En fallback, clean captions

bot/bot.js

@@ -874,18 +874,20 @@ if (process.env.BOT_TOKEN && process.env.BOT_TOKEN !== 'YOUR_TELEGRAM_BOT_TOKEN'
         ctx.reply(`✍️ *ERKIN AI BANNER*\n${thinLine}\n\nRasmda nima bo'lishini o'zbekcha yoki inglizcha batafsil yozing:\n\n_"Kiyimlar chegirmasi, yozgi aksiya"_\n_"Yangi yil sovg'alari, bayram kayfiyati"_\n_"Go'zal ayollar kiyimlari, zamonaviy moda"_\n\n💡 _Qancha batafsil yozsangiz, shuncha sifatli rasm!_`, { parse_mode: 'Markdown' });
     });
 
-    // AI rasmni 2 variantda yaratish funksiyasi
+    // AI rasmni 2 variantda yaratish funksiyasi (ENG KUCHLI BEPUL MODELLAR)
     async function generateAIBannerVariants(ctx, finalPrompt, originalPrompt) {
         const userId = ctx.from.id;
         const ts1 = Date.now();
         const ts2 = ts1 + 12345;
         const encoded = encodeURIComponent(finalPrompt);
         
-        // Hozirgi eng maxsus fotorealistik model: FLUX va Flux-Realism (turli qiyofa va xato oldini olish uchun)
-        const url1 = `https://image.pollinations.ai/prompt/${encoded}?width=1024&height=430&seed=${ts1}&nologo=true&model=flux`;
-        const url2 = `https://image.pollinations.ai/prompt/${encoded}?width=1024&height=430&seed=${ts2}&nologo=true&model=flux-realism`;
+        // 2026 yildagi eng kuchli bepul modellar (Pollinations orqali):
+        // Variant 1: GPT Image (OpenAI DALL-E darajasi — eng sifatli)
+        // Variant 2: Seedream5 (Google DeepMind — fotorealistik)
+        const url1 = `https://image.pollinations.ai/prompt/${encoded}?width=1024&height=430&seed=${ts1}&nologo=true&model=gptimage`;
+        const url2 = `https://image.pollinations.ai/prompt/${encoded}?width=1024&height=430&seed=${ts2}&nologo=true&model=seedream5`;
         
-        await ctx.reply('⏳ Gemini promptni kengaytirib, Flux 2 ta variant yaratmoqda... (Kuting, 20-40 soniya)');
+        await ctx.reply('⏳ *2 ta super model* ishga tushmoqda...\n\n🔹 GPT Image (OpenAI)\n🔹 Seedream5 (Google)\n\n_Kuting, 20-60 soniya..._', { parse_mode: 'Markdown' });
         
         try {
             // Ikkalasini xavfsiz yuklab olish qotib qolmasligi uchun biroz kutamiz (stagger resquests)
@@ -900,7 +902,7 @@ if (process.env.BOT_TOKEN && process.env.BOT_TOKEN !== 'YOUR_TELEGRAM_BOT_TOKEN'
             // 1-variant tekshiriladi
             if (res1) {
                 msg1 = await ctx.replyWithPhoto({ source: res1, filename: 'variant1.jpg' }, {
-                    caption: `🎨 *Variant 1*\n📝 _"${originalPrompt}"_\n\n🔍 *Gemini yozgan Inglizcha buyruq:* \n\`${finalPrompt}\``,
+                    caption: `🎨 *Variant 1 — GPT Image (OpenAI)*\n📝 _"${originalPrompt}"_`,
                     parse_mode: 'Markdown',
                     ...Markup.inlineKeyboard([[Markup.button.callback('✅ Shu rasmni tanlash', 'ai_pick_1')]])
                 });
@@ -912,7 +914,7 @@ if (process.env.BOT_TOKEN && process.env.BOT_TOKEN !== 'YOUR_TELEGRAM_BOT_TOKEN'
             // 2-variant tekshiriladi
             if (res2) {
                 msg2 = await ctx.replyWithPhoto({ source: res2, filename: 'variant2.jpg' }, {
-                    caption: `🎨 *Variant 2*\n📝 _"${originalPrompt}"_\n\n🔍 *Gemini yozgan Inglizcha buyruq:* \n\`${finalPrompt}\``,
+                    caption: `🎨 *Variant 2 — Seedream5 (Google)*\n📝 _"${originalPrompt}"_`,
                     parse_mode: 'Markdown',
                     ...Markup.inlineKeyboard([[Markup.button.callback('✅ Shu rasmni tanlash', 'ai_pick_2')]])
                 });