deleteModel method

Future<int> deleteModel(SyniModelSpec spec)

Permanently deletes spec's model files from disk — the GGUF and its sibling tokenizer.json — reclaiming the ~1.1 GB the install occupies.

Returns the number of bytes actually freed. Idempotent: deleting when nothing is on disk is a no-op that returns 0. Throws SyniInstallException if a file exists but cannot be removed.

This is the real counterpart to ensureModel — SyniAgent.uninstall() only frees the in-memory engine and leaves the download on disk.

Implementation

Future<int> deleteModel(SyniModelSpec spec) async {
  final dir = await _modelsDir();
  final freed = await installedBytes(spec);
  for (final file in [
    File('${dir.path}/${spec.filename}'),
    File('${dir.path}/tokenizer.json'),
  ]) {
    if (file.existsSync()) {
      try {
        file.deleteSync();
      } catch (e) {
        throw SyniInstallException(
          'failed to delete model file ${file.path}: $e',
        );
      }
    }
  }
  return freed;
}