fix: remove 500 error responses from upload endpoints;
fix: return validation error strings instead of error lists;
fix: handle invalid avatar upload IDs with 400 Bad Request response;
fix: add missing S3Controller to controller initialization;
fix: change avatar_upload_id to string type and update validation rules;
chore: add license header to smtp.go;
refactor: replace manual proxy implementation with httputil.ReverseProxy;
fix: inject S3Service dependency into ProfileService;
fix: set color and color_grad fields during profile update;
fix: correct DTO mapping for profile and settings;
fix: check object existence before copying in SaveUpload;
fix: adjust profile DTO mapping function for proper pointer handling
refactor: change profile update endpoints to PUT
refactor: changed profile settings update query to use username
chore: update SQL queries for profile operations
feat: implement file upload handling in controller with size and type validation;
feat: add custom validation rules for bio and color hex fields;
refactor: enhance request handling with dedicated client info extraction;
chore: update profile DTOs with validation tags;
docs: profile controller swagger
feat: implement change password service method with validation;
fix: correct ErrorIsOneOf function logic to return true on match;
refactor: rename 'log_out_accounts' to 'log_out_sessions' for clarity;
refactor: update session termination to return GUIDs and cache in Redis;
fix: ensure RollbackOnError only rolls back uncommitted transactions;
fix: handle transaction commit errors properly in dbHelper;
refactor: add helper methods for session termination and registration;
refactor: pass client info to login and registration complete methods;
fix: improve token validation error handling in refresh endpoint;
refactor: update auth middleware to set session info correctly;
chore: remove unused ClientInfo DTO;
fix: correct password reset complete to use session termination helper;
refactor: adjust database queries for session management;
chore: update SQL schema and queries for sessions;
docs: update swagger docs with new endpoint and model changes
feat: helper function in errors for checking postgres error types;
feat: sql query method for finding users by their email;
feat: registration begin/complete with checking existing username/email;
refactor: error handling in controller
