From a60e75b745974aafc651945dd3e6d7ac42e51957 Mon Sep 17 00:00:00 2001
From: "DESKTOP-KSVGT20\\shkim" <crossflex682@gmail.com>
Date: Sat, 2 May 2026 01:32:49 +0900
Subject: [PATCH] Skip Suno downloads for existing local tracks

---
 chatgpt-suno-tampermonkey.user.js | 34 +++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

diff --git a/chatgpt-suno-tampermonkey.user.js b/chatgpt-suno-tampermonkey.user.js
index 15368c9..113fc6c 100644
--- a/chatgpt-suno-tampermonkey.user.js
+++ b/chatgpt-suno-tampermonkey.user.js
@@ -1,7 +1,7 @@
 // ==UserScript==
 // @name         ChatGPT to Suno Prompt Copier
 // @namespace    local.suno-helper
-// @version      0.8.7
+// @version      0.8.8
 // @description  Copy structured ChatGPT song prompt versions into Suno fields.
 // @author       local
 // @match        https://chatgpt.com/*
@@ -30,7 +30,7 @@
 (function () {
   "use strict";
 
-  const SCRIPT_VERSION = "0.8.7";
+  const SCRIPT_VERSION = "0.8.8";
   const STORAGE_KEY = "chatgptSunoPromptSlots";
   const SLOT_COUNT = 2;
   const isChatGPT = location.hostname.includes("chatgpt.com") || location.hostname.includes("chat.openai.com");
@@ -1353,6 +1353,36 @@
   }
 
   async function uploadTrackToCompanion(track, statusTarget, format = "mp3") {
+    const syncManifest = {
+      pageUrl: location.href,
+      capturedAt: new Date().toISOString(),
+      count: 1,
+      tracks: [track],
+    };
+    setStatus(statusTarget, `로컬 보관함 확인 중: ${track.title || track.id}`);
+    const syncResponse = await fetch("http://127.0.0.1:17873/sync-index", {
+      method: "POST",
+      headers: { "content-type": "application/json" },
+      body: JSON.stringify(syncManifest),
+    });
+    const syncText = await syncResponse.text();
+    if (!syncResponse.ok) throw new Error(syncText || `${syncResponse.status} ${syncResponse.statusText}`);
+    const syncData = tryParseJson(syncText) || {};
+    const missingTracks = Array.isArray(syncData.tracks) ? syncData.tracks : [];
+    if (!missingTracks.length) {
+      setStatus(statusTarget, `이미 로컬에 있음, SUNO 다운로드 생략: ${track.title || track.id}`);
+      return {
+        ok: true,
+        skipped: true,
+        localExists: true,
+        queued: 0,
+        active: "",
+        total: 0,
+        done: 0,
+        percent: 100,
+      };
+    }
+    track = { ...track, ...missingTracks[0] };
     const buffer = format === "wav"
       ? await downloadSunoWavBuffer(track, statusTarget)
       : await downloadSunoMp3Buffer(track, statusTarget);