feat(healthchat): advertise the account status in settings

Pending approval and an incomplete profile were only visible in the
members tab, which a new user has no reason to open.

ElementX/Sources/Services/HealthChat/HealthChatAccountStatus.swift

@@ -0,0 +1,20 @@
+//
+// Copyright 2026 Novaloop AG
+//
+// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+// Please see LICENSE files in the repository root for full details.
+//
+
+import Foundation
+
+/// What is holding an account back from using the whole app.
+nonisolated enum HealthChatAccountStatus: Equatable {
+    /// Nothing is known, e.g. the API is unreachable. Renders nothing — never an error.
+    case unknown
+    /// Not approved by an admin yet. Takes precedence over ``incompleteProfile``,
+    /// as completing a profile does nothing for an unapproved account.
+    case pendingApproval
+    /// Approved, but the server reports missing profile fields. The message is its wording.
+    case incompleteProfile(message: String)
+    case ok
+}