Require confirmation before deleting a system (iOS + Android)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Cable/Base.lproj/Localizable.strings

@@ -379,6 +379,11 @@
 "charger.source.generator" = "Generator";
 "charger.source.alternator" = "Alternator";
 
+// MARK: - System Deletion
+"systems.delete.confirm.title" = "Delete System?";
+"systems.delete.confirm.message" = "This will permanently delete the system and all its components.";
+"systems.delete.confirm.button" = "Delete";
+
 // MARK: - Share Menu
 "overview.share.diagram" = "Wiring Diagram";
 "overview.share.pdf" = "Full Report (PDF)";