From 1589dfcf729fc496ab1e4e67caa4c2fda11de611 Mon Sep 17 00:00:00 2001
From: USO Status <nobody@example.com>
Date: Mon, 26 Jan 2026 22:28:48 +0100
Subject: [PATCH] fix(telegram): treat 'message not modified' as success to
 prevent duplication and downgrade edit failure log

---
 src/telegram/bot/delivery.ts | 2 +-
 src/telegram/send.ts         | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/telegram/bot/delivery.ts b/src/telegram/bot/delivery.ts
index 788a48f62..0e7369326 100644
--- a/src/telegram/bot/delivery.ts
+++ b/src/telegram/bot/delivery.ts
@@ -102,7 +102,7 @@ export async function deliverReplies(params: {
           });
           sentMessageId = editId;
         } catch (err) {
-          logVerbose(`Telegram edit failed, falling back to new message: ${String(err)}`);
+          console.warn(`Telegram edit failed, falling back to new message: ${String(err)}`);
           // Fall through to send new message
         }
       }
diff --git a/src/telegram/send.ts b/src/telegram/send.ts
index 3fcd72271..e57e2cf55 100644
--- a/src/telegram/send.ts
+++ b/src/telegram/send.ts
@@ -59,6 +59,7 @@ type TelegramReactionOpts = {
   retry?: RetryConfig;
 };
 
+const NOT_MODIFIED_RE = /message is not modified/i;
 const PARSE_ERR_RE = /can't parse entities|parse entities|find end of the entity/i;
 
 function resolveToken(explicit: string | undefined, params: { accountId: string; token: string }) {
@@ -525,6 +526,10 @@ export async function editMessageTelegram(
   } catch (err) {
     // If HTML parsing fails, fall back to plain text
     const errText = formatErrorMessage(err);
+    if (NOT_MODIFIED_RE.test(errText)) {
+      logVerbose(`[telegram] Edit failed with 'not modified', treating as success: ${errText}`);
+      return { ok: true };
+    }
     if (PARSE_ERR_RE.test(errText)) {
       if (opts.verbose) {
         console.warn(`telegram HTML parse failed on edit, retrying as plain text: ${errText}`);