chore(release): Update version to v1.4.279

Author: github-actions[bot]

CHANGELOG.md

@@ -1,5 +1,15 @@
 # Changelog
 
+## v1.4.279 (2025-08-10)
+
+### PR [#1685](https://github.com/danielmiessler/Fabric/pull/1685) by [ksylvan](https://github.com/ksylvan): Fix Gemini Role Mapping for API Compatibility
+
+- Fix Gemini role mapping to ensure proper API compatibility by converting chat roles to Gemini's user/model format
+- Map assistant role to model role per Gemini API constraints
+- Map system, developer, function, and tool roles to user role for proper handling
+- Default unrecognized roles to user role to preserve instruction context
+- Add comprehensive unit tests to validate convertMessages role mapping logic
+
 ## v1.4.278 (2025-08-09)
 
 ### PR [#1681](https://github.com/danielmiessler/Fabric/pull/1681) by [ksylvan](https://github.com/ksylvan): Enhance YouTube Support with Custom yt-dlp Arguments

cmd/fabric/version.go

@@ -1,3 +1,3 @@
 package main
 
-var version = "v1.4.278"
+var version = "v1.4.279"

cmd/generate_changelog/changelog.db

@@ -1 +1 @@
-"1.4.278"
+"1.4.279"