fix(spectool): rename --wav flag to wav subcommand for consistency

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/tools/spectool.cc b/tools/spectool.cc
index 59a56b5..a9d2bd1 100644
--- a/tools/spectool.cc
+++ b/tools/spectool.cc
@@ -439,7 +439,7 @@ void print_usage() {
       "  test_gen <output.spec>                   Generate a test "
       "spectrogram.\n");
   printf(
-      "  --wav   <input.spec> <output.wav>        Decode spectrogram to mono "
+      "  wav     <input.spec> <output.wav>        Decode spectrogram to mono "
       "WAV.\n");
   printf("\nOptions for 'analyze':\n");
   printf(
@@ -499,9 +499,9 @@ int main(int argc, char** argv) {
       return 1;
     }
     return test_gen(argv[2]);
-  } else if (strcmp(command, "--wav") == 0) {
+  } else if (strcmp(command, "wav") == 0) {
     if (argc < 4) {
-      printf("Error: '--wav' requires input .spec and output .wav files.\n");
+      printf("Error: 'wav' requires input .spec and output .wav files.\n");
       print_usage();
       return 1;
     }