Fix DOM sticker screenshot selection

worker/src/server.js

@@ -875,38 +875,119 @@ async function downloadDomAudioThroughPlay(p, request) {
 
 async function downloadDomStickerThroughScreenshot(p, request) {
   const testId = String(request?.testId || "").trim();
-  if (testId) {
+  const timeText = String(request?.timeText || "").trim();
-    const selector = `[data-testid="${testId.replace(/\\/g, "\\\\").replace(/"/g, '\\"')}"]`;
+  const selectorForTestId = (value) => `[data-testid="${value.replace(/\\/g, "\\\\").replace(/"/g, '\\"')}"]`;
-    const sticker = p.locator(selector).first();
+  const screenshotCandidate = async (handles, requestedIndex) => {
-    if (await sticker.count()) {
+    const candidates = [];
-      await sticker.scrollIntoViewIfNeeded({ timeout: 3000 }).catch(() => {});
+    for (const handle of handles) {
-      const buffer = await sticker.screenshot({ type: "png", timeout: 10000 });
+      const meta = await handle.evaluate((node, requestedTimeText) => {
-      return { contentType: "image/png", buffer };
+        const element = node instanceof HTMLElement ? node : node.parentElement;
+        if (!element) {
+          return null;
+        }
+
+        const style = window.getComputedStyle(element);
+        const rect = element.getBoundingClientRect();
+        if (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) {
+          return null;
+        }
+
+        const wrapper = element.closest("[class*='messageWrapper' i], [role='listitem'], [class*='item' i], [class*='bubbleContent' i], [class*='bordersWrapper' i]") || element;
+        const cleanText = (value) => String(value || "")
+          .replace(/\u00a0/g, " ")
+          .replace(/\s+/g, " ")
+          .trim();
+        const wrapperText = cleanText(wrapper.innerText || wrapper.textContent);
+        const metaText = Array.from(wrapper.querySelectorAll("[class*='meta' i], time"))
+          .map((item) => cleanText(
+            item.getAttribute?.("datetime") ||
+            item.getAttribute?.("aria-label") ||
+            item.getAttribute?.("title") ||
+            item.innerText ||
+            item.textContent))
+          .filter(Boolean)
+          .join(" ");
+        const timeMatches = requestedTimeText &&
+          (wrapperText.includes(requestedTimeText) || metaText.includes(requestedTimeText));
+        const semantic = [
+          element.getAttribute("data-testid"),
+          element.getAttribute("aria-label"),
+          element.getAttribute("title"),
+          element.className,
+          wrapper.className,
+          wrapperText
+        ].filter(Boolean).join(" ").toLowerCase();
+        const looksLikeSticker = /sticker|\u0441\u0442\u0438\u043a\u0435\u0440/.test(semantic) ||
+          Boolean(element.querySelector("canvas,img,svg")) ||
+          element.matches("canvas,img,svg");
+        const area = rect.width * rect.height;
+        let score = 0;
+        if (looksLikeSticker) score += 4;
+        if (timeMatches) score += 40;
+        if (rect.width >= 72 && rect.height >= 72) score += 16;
+        if (rect.width >= 120 && rect.height >= 120) score += 8;
+        score += Math.min(12, area / 2500);
+        if (rect.width < 40 || rect.height < 40) score -= 30;
+        if (area < 4096) score -= 20;
+        return {
+          score,
+          width: rect.width,
+          height: rect.height,
+          y: rect.y,
+          area,
+          timeMatches: Boolean(timeMatches)
+        };
+      }, timeText).catch(() => null);
+
+      if (!meta || meta.score <= 0) {
+        await handle.dispose().catch(() => {});
+        continue;
+      }
+
+      candidates.push({ handle, meta });
     }
-  }
+
+    const strict = timeText
+      ? candidates.filter((candidate) => candidate.meta.timeMatches)
+      : candidates;
+    const sorted = (strict.length ? strict : candidates)
+      .sort((a, b) => b.meta.score - a.meta.score || b.meta.area - a.meta.area || b.meta.y - a.meta.y);
+    const target = sorted[Math.max(0, Math.min(requestedIndex, sorted.length - 1))];
+    if (!target) {
+      return null;
+    }
+
+    await target.handle.scrollIntoViewIfNeeded({ timeout: 3000 }).catch(() => {});
+    const buffer = await target.handle.screenshot({ type: "png", timeout: 10000 });
+    for (const item of candidates) {
+      await item.handle.dispose().catch(() => {});
+    }
+    return { contentType: "image/png", buffer };
+  };
 
   const index = Number.isFinite(Number(request?.index)) ? Number(request.index) : 0;
-  const handles = await p.$$("[data-testid^='sticker-'], button[class*='sticker' i], [class*='sticker' i] canvas, canvas");
+  if (testId) {
-  const visible = [];
+    const handles = await p.$$(selectorForTestId(testId));
-  for (const handle of handles) {
+    const result = await screenshotCandidate(handles, 0);
-    const box = await handle.boundingBox().catch(() => null);
+    if (result) {
-    if (box && box.width >= 24 && box.height >= 24) {
+      return result;
-      visible.push({ handle, box });
-    } else {
-      await handle.dispose().catch(() => {});
     }
   }
 
-  const target = visible[Math.max(0, Math.min(index, visible.length - 1))];
+  const handles = await p.$$("[data-testid^='sticker-'], button[class*='sticker' i], [class*='sticker' i] canvas, canvas");
-  if (!target) {
+  const result = await screenshotCandidate(handles, index);
+  if (!result) {
     throw new Error("MAX sticker canvas was not found.");
   }
 
-  const buffer = await target.handle.screenshot({ type: "png", timeout: 10000 });
+  return result;
-  for (const item of visible) {
-    await item.handle.dispose().catch(() => {});
-  }
-  return { contentType: "image/png", buffer };
 }
 
 function contentTypeFromFileName(fileName) {