fix: reduce article maxTokens 4000→3000 to avoid 400 on aiprimetech

src/services/ai.js

@@ -250,7 +250,7 @@ async function generateArticle(channel, opts = {}) {
     config.ai.models.article,
     systemPrompt,
     userPrompt,
-    { maxTokens: 4000, temperature: 0.85 }
+    { maxTokens: 3000, temperature: 0.85 }
   );
 
   if (!useEditPass) {
@@ -277,7 +277,7 @@ async function generateArticle(channel, opts = {}) {
     config.ai.models.article,
     editorPrompt,
     `Вот черновик для редактуры:\n\n${draft.text}`,
-    { maxTokens: 4000, temperature: 0.75 }
+    { maxTokens: 3000, temperature: 0.75 }
   );
 
   return {