fix: tgSend uses fresh ProxyAgent per call

server.js

@@ -327,7 +327,7 @@ const TG_CHAT_ID = '833411630';
 const TG_MESSAGE = 'начинай решать через 5 мин';
 
 async function tgSend() {
-    // Try direct first, fall back to VPS proxy
+    // Fresh ProxyAgent per call to avoid stale connections
     const url = `https://api.telegram.org/bot${TG_BOT_TOKEN}/sendMessage`;
     const init = {
         method: 'POST',
@@ -335,15 +335,12 @@ async function tgSend() {
         body: JSON.stringify({ chat_id: TG_CHAT_ID, text: TG_MESSAGE }),
     };
     try {
-        const r = await fetch(url, init);
-        return { ok: r.ok, status: r.status, via: 'direct' };
-    } catch (e1) {
-        try {
-            const r = await fetch(url, { ...init, dispatcher: anthropicAgent });
-            return { ok: r.ok, status: r.status, via: 'proxy' };
-        } catch (e2) {
-            return { ok: false, error: `direct: ${e1.message}; proxy: ${e2.message}` };
-        }
+        const freshProxy = proxyUrl ? new ProxyAgent(proxyUrl) : undefined;
+        const r = await fetch(url, { ...init, dispatcher: freshProxy });
+        return { ok: r.ok, status: r.status, via: 'proxy-fresh' };
+    } catch (e) {
+        const details = e.cause ? `${e.message} | cause: ${e.cause.message || e.cause.code}` : e.message;
+        return { ok: false, error: details };
     }
 }