fix: stop desktop startup update loop — manifest version matches bundles

Do not inflate latest.json from dmg filenames; use build version only.
Add client loop guard when the same update retries without version bump.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/reconcile-desktop-latest-json.sh

@@ -15,40 +15,23 @@ if [[ ! -d "$UPDATES_DIR" ]]; then
 fi
 
 VERSION="$(node -p "require('$CONF').version" 2>/dev/null || echo '0.1.0')"
-LATEST_JSON="$UPDATES_DIR/latest.json"
 BUILD_INFO="$UPDATES_DIR/build-info.json"
-
-# bundle 파일명·build-info·기존 manifest 중 최고 버전 사용 (build-info stale 방지)
-VERSION="$(node <<NODE
+if [[ -f "$BUILD_INFO" ]]; then
+  VERSION="$(node <<NODE
 const fs = require('fs');
-const path = require('path');
 const cmp = (a, b) => {
   const pa = a.split('.').map(Number), pb = b.split('.').map(Number);
   for (let i = 0; i < 3; i++) { const d = (pa[i]||0)-(pb[i]||0); if (d) return d; }
   return 0;
 };
-const maxV = (a, b) => (cmp(a, b) >= 0 ? a : b);
-let version = '$VERSION';
-const dir = '$UPDATES_DIR';
-try {
-  const bi = JSON.parse(fs.readFileSync('$BUILD_INFO', 'utf8'));
-  if (bi.version) version = maxV(version, bi.version);
-} catch {}
-try {
-  const j = JSON.parse(fs.readFileSync('$LATEST_JSON', 'utf8'));
-  if (j.version && j.platforms && Object.keys(j.platforms).length > 0) {
-    version = maxV(version, j.version);
-  }
-} catch {}
-try {
-  for (const f of fs.readdirSync(dir)) {
-    const m = f.match(/(\\d+\\.\\d+\\.\\d+)/);
-    if (m) version = maxV(version, m[1]);
-  }
-} catch {}
-console.log(version);
+const confV = '$VERSION';
+let biV = confV;
+try { biV = JSON.parse(fs.readFileSync('$BUILD_INFO', 'utf8')).version || confV; } catch {}
+console.log(cmp(biV, confV) > 0 ? biV : confV);
 NODE
 )"
+fi
+# dmg/exe 설치 파일명 버전은 manifest에 반영하지 않음 (updater tar.gz/exe와 불일치 시 루프 유발)
 NOTES="${DESKTOP_RELEASE_NOTES:-GoldenChart Desktop $VERSION}"
 
 set +e