From dcae9353ab09e74b01be9cf67365c6557e68a4cb Mon Sep 17 00:00:00 2001
From: Folist <folis@gmail.com>
Date: Fri, 16 Oct 2026 10:54:12 +0300
Subject: [PATCH] =?UTF-8?q?1.3.10-beta.1:=20=D0=92=D0=A0=D0=95=D0=9C=D0=95?=
 =?UTF-8?q?=D0=9D=D0=9D=D0=90=D0=AF=20=D0=B4=D0=B8=D0=B0=D0=B3=D0=BD=D0=BE?=
 =?UTF-8?q?=D1=81=D1=82=D0=B8=D0=BA=D0=B0=20PHOTO=5FCOMPARE=3D1=20(=D1=82?=
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 =?UTF-8?q?=D1=82=D0=BE=20=D0=B8=D0=B7=20MAX=20=D0=BA=D0=B0=D1=87=D0=B0?=
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---
 package-lock.json         |  4 ++--
 package.json              |  2 +-
 src/bridge/attachments.ts | 24 ++++++++++++++++++++++++
 3 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index f432c7a..d22b0c2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "telemax",
-  "version": "1.3.9",
+  "version": "1.3.10-beta.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "telemax",
-      "version": "1.3.9",
+      "version": "1.3.10-beta.1",
       "license": "AGPL-3.0-only",
       "dependencies": {
         "dotenv": "^17.2.3",
diff --git a/package.json b/package.json
index 1b55930..a1e7493 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "telemax",
   "private": true,
   "license": "AGPL-3.0-only",
-  "version": "1.3.9",
+  "version": "1.3.10-beta.1",
   "type": "module",
   "scripts": {
     "dev": "tsx watch src/server/app.ts",
diff --git a/src/bridge/attachments.ts b/src/bridge/attachments.ts
index 4bceee6..d6bb028 100644
--- a/src/bridge/attachments.ts
+++ b/src/bridge/attachments.ts
@@ -374,8 +374,32 @@ export function photoUrls(att: Pick<MaxAttachment, 'baseUrl' | 'photoToken' | 'u
   return all.filter((v, i): v is { how: string; url: string } => !!v.url && all.findIndex((w) => w.url === v.url) === i);
 }
 
+/**
+ * TEMPORARY diagnostic (PHOTO_COMPARE=1, test server only, 2026-10-16): fetches a MAX photo every
+ * way — photoUrls plus MAX web's on-screen size (`&fn=w_1440`) — and logs what each gives, to settle
+ * which way goes first. Remove before the release.
+ */
+async function comparePhotoUrls(att: MaxAttachment): Promise<void> {
+  const id = String(att.photoId ?? '?');
+  const declared = att as { width?: unknown; height?: unknown };
+  logger.info(`PHOTO_COMPARE ${id}: MAX says ${String(declared.width)}×${String(declared.height)}`);
+  const ways = [...photoUrls(att)];
+  if (att.baseUrl) ways.push({ how: 'baseUrl&fn=w_1440', url: `${att.baseUrl}&fn=w_1440` });
+  for (const { how, url } of ways) {
+    try {
+      const res = await maxFetch(url, { signal: AbortSignal.timeout(DOWNLOAD_TIMEOUT_MS) });
+      const buf = res.ok ? Buffer.from(await res.arrayBuffer()) : undefined;
+      const size = buf ? imageSize(buf) : null;
+      logger.info(`PHOTO_COMPARE ${id}: «${how}» → ${res.status}${buf ? `, ${buf.byteLength} bytes, ${imageExtension(buf)}${size ? `, ${size.width}×${size.height}` : ''}` : ''}`);
+    } catch (err) {
+      logger.info(`PHOTO_COMPARE ${id}: «${how}» → ${(err as Error).message}`);
+    }
+  }
+}
+
 /** A photo by the first of photoUrls that the CDN gives — the next one tried only after a refusal (an outage is no reason to). */
 async function downloadPhoto(att: MaxAttachment): Promise<Buffer> {
+  if (process.env.PHOTO_COMPARE === '1') void comparePhotoUrls(att);
   let miss: DownloadMissError | undefined;
   for (const { how, url } of photoUrls(att)) {
     try {