Fix HealthKit sync progress layout overlapping

Changed ZStack to VStack so progress indicator appears below the
toggle row instead of overlapping it.

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.claude/settings.local.json

@@ -13,7 +13,9 @@
       "Bash(npx claude-plugins:*)",
       "Bash(cloc:*)",
       "Bash(swift -parse:*)",
-      "Bash(swiftc:*)"
+      "Bash(swiftc:*)",
+      "Bash(git add:*)",
+      "Bash(git commit:*)"
     ]
   }
 }