Bottom Tab Bar Visibility Adjustment

Nucleic-Session: 747527BF-AEE9-4939-BE70-A14F1F3BBBA8
Co-authored-by: Nucleic <[email protected]>

NucleicRemote/NucleicRemote/Views/Composer.swift

@@ -6,13 +6,18 @@ import NucleicProtocol
 /// project (or is scoped to one), types a prompt, optionally toggles Auto.
 struct StartChatComposer: View {
     @EnvironmentObject var store: RemoteStore
-    /// Called after a chat is kicked off, so the presenting sheet can dismiss itself.
+    /// The prompt text, owned by `NewChatAffordance` so it can coordinate auto-focus and the
+    /// close-on-empty-dismiss behaviour with the composer.
+    @Binding var draft: String
+    /// The prompt field's focus, likewise owned by the affordance (auto-focused on open, resigned
+    /// to dismiss the keyboard).
+    var focus: FocusState<Bool>.Binding
+    /// Called after a chat is kicked off, so the affordance can dismiss the composer.
     var onStart: (() -> Void)? = nil
     /// When set, the composer is scoped to this project and the picker is hidden — used by a
     /// project page's "+", so the chat always lands in that project.
     var lockedProject: WireProject? = nil
     @State private var projectID: ProjectID?
-    @State private var draft = ""
     @State private var auto = false
     @State private var model: String?
     @State private var effort = MobileEfforts.fallback