Function parse3mfPreviewHandler

main.js:7497–7639

(event, filePath, requestId)

    console.error('Error saving setting:', error);
    throw error;
  }
});

// Browser extension server control (normal mode only)
ipcMain.handle('start-extension-server', async (event, port) => {
  if (isServerMode) return { success: false, message: 'Not available in server mode' };
  try {
    const portNum = parseInt(port, 10) || 5000;
    if (httpServer) await stopHttpServer();
    console.log('[Browser extension] Starting server on port', portNum, '...');
    await startHttpServer(portNum, true);
    console.log('[Browser extension] Server started successfully');
    return { success: true };
  } catch (error) {
    console.error('[Browser extension] Error starting extension server:', error.message);
    return { success: false, message: error?.message || 'Failed to start' };
  }
});

ipcMain.handle('stop-extension-server', async () => {
  if (isServerMode) return { success: false, message: 'Not available in server mode' };
  try {
    await stopHttpServer();
    return { success: true };
  } catch (error) {
    console.error('Error stopping extension server:', error);
    return { success: false, message: error?.message || 'Failed to stop' };
  }
});

/** Copy SQLite main + sidecar files (-wal / -shm) when migrating paths. */
function copySqliteDbFiles(srcBase, destBase) {
  fs.copyFileSync(srcBase, destBase);
  for (const ext of ['-wal', '-shm']) {
    const s = srcBase + ext;
    const d = destBase + ext;
    if (fs.existsSync(s)) fs.copyFileSync(s, d);
  }
}

/**
 * Docker/server previously used isDev → __dirname/printventory.db (ephemeral /app).
 * If the persisted userData DB does not exist yet, copy from that legacy file once.
 */
function migrateLegacyServerDbIfNeeded(persistedPath) {
  if (!isServerMode || fs.existsSync(persistedPath)) return;
  const legacy = path.join(__dirname, 'printventory.db');
  if (!fs.existsSync(legacy)) return;
  try {
    copySqliteDbFiles(legacy, persistedPath);
    console.log('[Server mode] Migrated SQLite from', legacy, 'to', persistedPath);
  } catch (e) {
    console.error('[Server mode] Could not migrate legacy database:', e);
  }
}

/**
 * Apply Docker/env defaults without clobbering user-saved settings on every restart.