This fixes a regression bug where the flatten command would fail with an
error message even when valid arguments were provided.
The bug was:
- First introduced in commit 0fdbca7
- Fixed in commit fab9d5e (v5.0.0-beta.2)
- Accidentally reintroduced in commit ed53943
The else branch at lines 130-134 was incorrectly handling the case when
users provided arguments, showing a misleading error about
'no arguments provided' when arguments were actually present.
Fixes all flatten command variations:
- npx bmad-method flatten
- npx bmad-method flatten --input /path
- npx bmad-method flatten --output file.xml
- npx bmad-method flatten --input /path --output file.xml
Co-authored-by: Brian <bmadcode@gmail.com>
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