fix: install.js 部署时将包内 data_synth/syncthing/syncthing.exe 释放到 data/syncthing/——修复 npm 安装/update 后同步引擎因缺少二进制而未启用的根因

Author: Fengweifeng1998

npm-dist/lib/install.js

@@ -65,7 +65,8 @@ async function main() {
 
   // Step 2: 创建目录结构
   step(2, TOTAL, "创建目录...", "Creating directories...");
-  [INSTALL_DIR, APP_DIR, DATA_DIR, path.join(DATA_DIR, "inbox"), path.join(DATA_DIR, "sync")].forEach(d => {
+  [INSTALL_DIR, APP_DIR, DATA_DIR, path.join(DATA_DIR, "inbox"),
+   path.join(DATA_DIR, "sync"), path.join(DATA_DIR, "syncthing")].forEach(d => {
     fs.mkdirSync(d, { recursive: true });
   });
   log(`✓ 安装目录: ${INSTALL_DIR}`, `Install dir: ${INSTALL_DIR}`);
@@ -80,6 +81,26 @@ async function main() {
     process.exit(1);
   }
 
+  // 释放 syncthing 二进制: 包内随 app 部署在 data_synth/syncthing/，运行时需 data/syncthing/
+  // Release syncthing binary: bundled under app/data_synth/syncthing/, runtime expects data/syncthing/
+  try {
+    const bundled = path.join(APP_DIR, "data_synth", "syncthing", "syncthing.exe");
+    const dest = path.join(DATA_DIR, "syncthing", "syncthing.exe");
+    if (fs.existsSync(bundled) && !fs.existsSync(dest)) {
+      fs.mkdirSync(path.dirname(dest), { recursive: true });
+      fs.copyFileSync(bundled, dest);
+      log("✓ syncthing 二进制已就位", "Syncthing binary in place");
+    } else if (!fs.existsSync(bundled)) {
+      log("⚠ 包内未找到 syncthing 二进制（同步功能不可用）",
+          "⚠ syncthing binary not found in package (sync unavailable)");
+    } else {
+      log("✓ syncthing 二进制已存在", "Syncthing binary already present");
+    }
+  } catch (e) {
+    log(`⚠ syncthing 二进制释放失败: ${e.message}`,
+        `⚠ Failed to deploy syncthing binary: ${e.message}`);
+  }
+
   // Step 4: 创建 venv 并安装依赖
   step(4, TOTAL, "创建虚拟环境并安装依赖（可能需要几分钟）...", "Creating venv and installing dependencies (may take a few minutes)...");
   const venvPython = path.join(VENV_DIR, "Scripts", "python.exe");