Harden crash handling, fix extension loading, revert filter sheet to View-based - Revert Compose filter sheet back to original SourceFilterSheet; remove ComposeSourceFilterSheet and its ComposeView overlay from the layout - GlobalExceptionHandler now catches Throwable (not just Exception) so Error subclasses no longer bypass the crash screen - ExtensionLoader null-safe check on source class metadata prevents NPE crash when an extension APK is missing the required manifest entry - SourceManager wra...

Harden crash handling, fix extension loading, revert filter sheet to View-based - Revert Compose filter sheet back to original SourceFilterSheet; remove ComposeSourceFilterSheet and its ComposeView overlay from the layout - GlobalExceptionHandler now catches Throwable (not just Exception) so Error subclasses no longer bypass the crash screen - ExtensionLoader null-safe check on source class metadata prevents NPE crash when an extension APK is missing the required manifest entry - SourceManager wra... #24