Fix changelog format

Author: djm81

CHANGELOG.md

@@ -46,6 +46,7 @@ All notable changes to this project will be documented in this file.
 - **Version**: Bumped to 0.29.0 (minor: new lifecycle features and UX improvements, backward compatible).
 
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+
 ## [0.28.0] - 2026-02-06
 
 ### Added (0.28.0)
@@ -108,6 +109,7 @@ All notable changes to this project will be documented in this file.
 - **Version**: Bumped to 0.26.17 for issue [#179](https://github.com/nold-ai/specfact-cli/issues/179)
 
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+
 ## [0.26.16] - 2026-02-02
 
 ### Added (0.26.16)