Rename Xcode project to honeyDue and fix all bundle IDs

- Rename iosApp.xcodeproj → honeyDue.xcodeproj
- Rename Casera schemes → HoneyDue, HoneyDueExtension, HoneyDueUITests
- Split bundle IDs per-config: Debug=com.tt.honeyDue.dev, Release=com.tt.honeyDue
- Split app groups per-config: Debug=group.com.tt.honeyDue.dev, Release=group.com.tt.honeyDue
- Fix com.t-t. typo → com.tt. in test bundle IDs
- Add APP_GROUP_IDENTIFIER build setting with variable substitution in entitlements
- Replace all hardcoded app group strings in Swift with Info.plist runtime reads
- Remove stale PRODUCT_BUNDLE_IDENTIFIER from Config.xcconfig
- Update test plan container references

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

iosApp/honeyDue.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>