BcStep ProCom

- Auth & Onboarding: New "New to ProCom?" sign-up option on login; retain login form fields after failed sign- in; account deactivation/deletion opens secure web page. - Email/Mailbox: Inbox auto-refresh, unread count badge fixes, improved thread view (read session grouping, better file previews/downloads), HTML body conversion for replies/forwards/drafts, sent emails visible in To filter, labels/actions aligned with ProChat, edit sent-mail recipients, improved notification clearing across devices. - Compose & Drafts: Attachment preview in compose, fix recipient-less draft duplication, trash/delete enabled for drafts, label toggle/stabilization, CC/BCC banners and root history, project selector search/scroll. - Tasks: Enforce business category context with selector on task creation, read-only task details view, better convert-to-task flow. - Branding/UI: ProCom logo/typography updates, offline logo in mailbox header, dark mode fixes for digital identity card. - Stability/Perf: Firebase FCM init hardening, offline cache-first for email details/list, icon dependency updates, various crashes/fixes (HTML tags, important/star handling, spinner/loading, permission messages), cross-org recipient picker improvements, performance/stability improvements.