【New Features】 - Do Not Disturb Setup Guide: Step-by-step guide with screenshots to help you receive alarms during Do Not Disturb mode. Shown on first launch and accessible anytime from Settings. - Added "Failed to wake up" count on profile - Long story text now shows first 8 characters with "..." — tap to view full text - Navigate to user profile from story view 【Improvements】 - Parallelized alarm sending to multiple recipients for faster delivery

Bug Fix: Friend search failed for usernames containing uppercase letters Issue Usernames containing uppercase letters could be registered, but friend search normalized queries to lowercase, causing those users to be unfindable. Fix - Username input fields now automatically convert to lowercase in real-time (onboarding and profile edit screens) - Validation updated from [a-zA-Z0-9._] to [a-z0-9._] to enforce lowercase-only usernames - Additional lowercase conversion applied at save time as a safety measure Impact - Username creation during onboarding - Username editing in profile settings - Improved accuracy of friend search results

Bug Fixes & Improvements Bug Fixes 1. Group chat image upload fails silently - Firebase Storage rules did not include a rule for the group_images/ path, causing all group image uploads to be rejected with no user-facing error. - Added Storage rules for group_images/{chatId} to allow authenticated users to upload images (max 5MB, image type only). 2. Group image not reflected after upload in settings - After uploading a group image in Group Settings, the preview relied on re-downloading the image via URL (AvatarView), causing it to not appear immediately. - Changed to display the local cropped image data directly for instant feedback. 3. Group image disappears after closing settings sheet - Users could dismiss the Group Settings sheet while the image upload was still in progress, resulting in the image not being saved to Firestore. - Disabled the "Done" button while the image upload is in progress to ensure the image is fully saved before dismissal. 4. Photos taken in portrait orientation are rotated 90 degrees after cropping - CGImage.cropping(to:) ignores EXIF orientation metadata, causing crop coordinates to be misaligned for non-.up orientated images (e.g., portrait photos). - Added orientation normalization before cropping in ImageCropView. This fix applies to both profile photo and group photo cropping. New Features 5. Custom group chat image - Users can now set a custom image for group chats during group creation and from Group Settings. - Uses the existing PhotosPicker → ImageCropView → StorageService upload pattern. - Group images are displayed in the chat list and group settings. Falls back to the default person.3.fill icon when no image is set. - All group members can change the group image. 6. Incremental friend search (prefix matching) - Friend search now uses prefix matching instead of exact username match. - Results update automatically as the user types (with 300ms debounce to reduce Firestore reads). - Maximum 10 results displayed. - @ symbol is automatically stripped from search input. 7. Navigate to member profile from group settings - Tapping a group member in the Group Settings member list now navigates to that member's profile screen (FriendProfileScreen). - Own profile row is not tappable. 8.- Tapping a user's avatar in chat now navigates to their profile 9- Updated friend invite link to App Store URL