diff --git a/worker/src/server.js b/worker/src/server.js
index 99a5ea3..f89801a 100644
--- a/worker/src/server.js
+++ b/worker/src/server.js
@@ -324,7 +324,7 @@ app.post("/send/text", async (req, res) => {
       const p = await ensurePage();
 
       if (externalChatId) {
-        const opened = await ensureDomChatOpen(p, externalChatId, 600);
+        const opened = await ensureDomChatOpen(p, externalChatId, 8000, true);
         if (!opened) {
           return { success: false, externalMessageId: null, error: "MAX chat was not found or did not open." };
         }
@@ -2792,44 +2792,114 @@ async function openDomChatByExternalId(p, externalChatId) {
   return true;
 }
 
-async function ensureDomChatOpen(p, externalChatId, waitMs = 600) {
+async function ensureDomChatOpen(p, externalChatId, waitMs = 600, requireComposer = false) {
   const descriptor = decodeDomChatDescriptor(externalChatId);
   const title = descriptor?.title || externalChatId;
   if (!title) {
     return true;
   }
 
-  const opened = await openDomChatByExternalId(p, externalChatId);
-  if (!opened) {
-    return false;
-  }
-
-  await p.waitForTimeout(waitMs);
-  const verified = await p.evaluate((requestedTitle) => {
-    const cleanText = (value) => String(value || "")
-      .replace(/\u00a0/g, " ")
-      .replace(/\s+/g, " ")
-      .trim();
-    const normalize = (value) => cleanText(value).toLowerCase();
-    const wanted = normalize(requestedTitle);
-    const opened = document.querySelector("[class*='openedChat' i]") ||
-      document.querySelector("main") ||
-      document.body;
-    const selectedTitle = cleanText(document.querySelector("aside button[class*='selected' i] h3")?.innerText, 160);
-    const header = opened.querySelector("[class*='header' i]");
-    const headerTitle = cleanText(
-      header?.querySelector("h1,h2,h3,[class*='title' i],[class*='name' i]")?.innerText ||
-      header?.querySelector("button[aria-label]")?.innerText,
-      160);
-    const current = normalize(selectedTitle || headerTitle);
-    if (!current) {
-      return null;
+  for (let attempt = 0; attempt < 2; attempt++) {
+    const opened = await openDomChatByExternalId(p, externalChatId);
+    if (!opened) {
+      return false;
     }
 
-    return current === wanted || current.includes(wanted) || wanted.includes(current);
-  }, title).catch(() => null);
+    const ready = await waitForDomChatReady(
+      p,
+      title,
+      Math.max(waitMs, requireComposer ? 8000 : 2500),
+      requireComposer);
+    if (ready) {
+      return true;
+    }
+  }
 
-  return verified === null ? opened : verified;
+  return false;
+}
+
+async function waitForDomChatReady(p, title, timeoutMs = 5000, requireComposer = false) {
+  const deadline = Date.now() + timeoutMs;
+  while (Date.now() < deadline) {
+    const state = await p.evaluate(({ requestedTitle, needsComposer }) => {
+      const cleanText = (value) => String(value || "")
+        .replace(/\u00a0/g, " ")
+        .replace(/\s+/g, " ")
+        .trim();
+      const normalize = (value) => cleanText(value).toLowerCase();
+      const wanted = normalize(requestedTitle);
+      const isVisible = (element) => {
+        if (!(element instanceof HTMLElement)) return false;
+        const style = window.getComputedStyle(element);
+        const rect = element.getBoundingClientRect();
+        return style.visibility !== "hidden" &&
+          style.display !== "none" &&
+          rect.width > 0 &&
+          rect.height > 0 &&
+          rect.bottom >= 0 &&
+          rect.right >= 0 &&
+          rect.top <= window.innerHeight &&
+          rect.left <= window.innerWidth;
+      };
+      const normalizeClassName = (value) => typeof value === "string" ? value : String(value?.baseVal || "");
+      const opened = document.querySelector("[class*='openedChat' i]") ||
+        document.querySelector("main") ||
+        document.body;
+      const rightPaneLeft = window.innerWidth * 0.32;
+      const headerCandidates = Array.from(opened.querySelectorAll("[class*='header' i], header"))
+        .filter((node) => isVisible(node))
+        .filter((node) => node.getBoundingClientRect().left > rightPaneLeft);
+      const header = headerCandidates[0] || null;
+      const headerTitle = cleanText(
+        header?.querySelector("h1,h2,h3,[class*='title' i],[class*='name' i]")?.innerText ||
+        header?.querySelector("button[aria-label]")?.innerText ||
+        header?.innerText,
+        160);
+      const selectedTitle = cleanText(document.querySelector("aside button[class*='selected' i] h3")?.innerText, 160);
+      const composerSelectors = [
+        "[data-testid='composer'] [role='textbox']",
+        "[data-testid='composer'] [contenteditable='true']",
+        "[class*='composer' i] [role='textbox']",
+        "[class*='composer' i] [contenteditable='true']",
+        "[class*='composer' i] [class*='contenteditable' i]",
+        "[role='textbox'][class*='contenteditable' i]",
+        "textarea"
+      ];
+      const hasComposer = composerSelectors
+        .flatMap((selector) => Array.from(document.querySelectorAll(selector)))
+        .some((node) => {
+          if (!isVisible(node)) return false;
+          const rect = node.getBoundingClientRect();
+          const text = normalize([
+            node.getAttribute("aria-label"),
+            node.getAttribute("placeholder"),
+            node.getAttribute("title"),
+            node.getAttribute("data-testid"),
+            normalizeClassName(node.className),
+            node.id,
+            node.getAttribute("name")
+          ].join(" "));
+          const searchLike = /search|\u043f\u043e\u0438\u0441\u043a/.test(text) ||
+            (rect.left < window.innerWidth * 0.42 && rect.top < window.innerHeight * 0.32);
+          return !searchLike &&
+            rect.left > rightPaneLeft &&
+            rect.top > window.innerHeight * 0.45;
+        });
+      const current = normalize(headerTitle || (hasComposer ? selectedTitle : ""));
+      const titleMatches = !wanted ||
+        (current && (current === wanted || current.includes(wanted) || wanted.includes(current)));
+      const ready = Boolean(titleMatches && header && (!needsComposer || hasComposer));
+      return { ready, headerTitle, selectedTitle, hasHeader: Boolean(header), hasComposer };
+    }, { requestedTitle: title, needsComposer: requireComposer }).catch(() => null);
+
+    if (state?.ready) {
+      return true;
+    }
+
+    await p.waitForTimeout(250);
+  }
+
+  return false;
 }
 
 async function sendTextAndConfirm(p, externalChatId, text) {