Method buildWriteCommand

src/node/runtime/SSHRuntime.ts:1129–1135

* Override buildWriteCommand for SSH to handle symlinks and preserve permissions.

(quotedPath: string, quotedTempPath: string)

   * Override buildWriteCommand for SSH to handle symlinks and preserve permissions.
   */
  protected buildWriteCommand(quotedPath: string, quotedTempPath: string): string {
    // Resolve symlinks to get the actual target path, preserving the symlink itself
    // If target exists, save its permissions to restore after write
    // If path doesn't exist, use 600 as default
    // Then write atomically using mv (all-or-nothing for readers)
    return `RESOLVED=$(readlink -f ${quotedPath} 2>/dev/null || echo ${quotedPath}) && PERMS=$(stat -c '%a' "$RESOLVED" 2>/dev/null || echo 600) && mkdir -p $(dirname "$RESOLVED") && cat > ${quotedTempPath} && chmod "$PERMS" ${quotedTempPath} && mv ${quotedTempPath} "$RESOLVED"`;
  }

  // ===== Runtime interface implementations =====