docs: update CHANGELOG.md files with Future release improvements

- Add SharedPreferenceHelper callback improvements to workmanager_android CHANGELOG
- Add iOS configuration and CI fixes to workmanager CHANGELOG
- Document CHANGELOG management approach in CLAUDE.md using "Future" header
- Keep entries concise and focused on user-facing impact

🤖 Generated with [Claude Code](https://claude.ai/code)

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

Author: ened

CLAUDE.md

@@ -59,6 +59,12 @@
 - Focus on current progress and next steps
 - Document decisions and architectural choices
 
+## CHANGELOG Management
+- Document improvements in CHANGELOG.md files immediately when implemented
+- Use "Future" as the version header for unreleased changes (standard open source practice)
+- Keep entries brief and focused on user-facing impact
+- Relevant files: workmanager/CHANGELOG.md, workmanager_android/CHANGELOG.md, workmanager_apple/CHANGELOG.md
+
 ## GitHub Actions - Package Analysis
 - The `analysis.yml` workflow runs package analysis for all packages
 - It performs `flutter analyze` and `dart pub publish --dry-run` for each package

workmanager/CHANGELOG.md

@@ -1,3 +1,11 @@
+# Future
+
+## Bug Fixes & Improvements
+* Fix iOS example app Info.plist configuration with proper NSBonjourServices for debugging
+* Add version field to example app pubspec.yaml to resolve CFBundle warnings
+* Fix iOS CI builds by disabling User Script Sandboxing to resolve sandbox permission errors
+* Update iOS simulator devices to iPhone 16/iPhone 16 Pro in CI workflows
+
 # 0.8.0
 
 ## Major Architecture Changes

workmanager_android/CHANGELOG.md

@@ -1,3 +1,10 @@
+## Future
+
+### Improvements
+* Improve SharedPreferenceHelper callback handling - now calls callback immediately when preferences are already loaded
+* Add comprehensive unit tests for SharedPreferenceHelper callback scenarios
+* Fix iOS CI builds by disabling User Script Sandboxing to resolve sandbox permission errors
+
 ## 0.8.0
 
 ### Initial Release