Function legacyWindowsConfigDir

src/installer/targets/opencode.ts:76–81

* Pre-#535 installs wrote the global entry to `%APPDATA%/opencode` — a dir * today's opencode never reads. Returns that legacy dir when it could hold * stale state (APPDATA set and resolving somewhere other than the real config * dir). Gated on the env var rather than `process.platform` so the cl

()

 * in real life and this is a no-op.
 */
function legacyWindowsConfigDir(): string | null {
  const appData = process.env.APPDATA;
  if (!appData || !appData.trim()) return null;
  const legacy = path.join(appData, 'opencode');
  return path.resolve(legacy) === path.resolve(globalConfigDir()) ? null : legacy;
}

function configBaseDir(loc: Location): string {
  return loc === 'global' ? globalConfigDir() : process.cwd();