Add application read models and thin TUI command adapter

src/tui/terminal.rs

@@ -771,7 +771,7 @@ fn handle_key(
         KeyCode::Char('n') if state.view.is_some() => forms.open_create(),
         KeyCode::Char('i') => forms.open_import(),
         KeyCode::Char('r') => {
-            if state.selected_client_mutable() {
+            if state.selected_rename_available() {
                 let selected = state.selected_identity.and_then(|id| {
                     state
                         .view
@@ -788,7 +788,7 @@ fn handle_key(
             }
         }
         KeyCode::Char('d') => {
-            if state.selected_client_mutable() {
+            if state.selected_delete_available() {
                 if let (Some(id), Some(view)) = (state.selected_identity, state.view.as_ref()) {
                     let label = view
                         .clients
@@ -806,16 +806,25 @@ fn handle_key(
         KeyCode::Char('p') => forms.open_draft_review(),
         KeyCode::Char('c') => forms.open_commit(),
         KeyCode::Char('x') => forms.open_discard(),
-        KeyCode::Char('R') => submit_command(worker, UiCommand::PreviewRestart, state),
-        KeyCode::Char('o') | KeyCode::Char('O') => {
-            if state.selected_client_mutable()
-                && let Some(identity) = state.selected_identity
-                && state.view.as_ref().is_some_and(|view| {
-                    view.client_states
-                        .get(&identity)
-                        .is_some_and(|row| row.saved.is_some())
-                })
+        KeyCode::Char('R') => {
+            if state
+                .view
+                .as_ref()
+                .is_some_and(|view| view.restart_eligibility().is_none_or(|item| item.available))
             {
+                submit_command(worker, UiCommand::PreviewRestart, state);
+            } else {
+                state.status_message =
+                    Some("Restart preview is unavailable for the saved configuration.".to_owned());
+            }
+        }
+        KeyCode::Char('o') | KeyCode::Char('O') => {
+            let eligible = if code == KeyCode::Char('o') {
+                state.selected_first_delivery_available()
+            } else {
+                state.selected_reissue_available()
+            };
+            if eligible && let Some(identity) = state.selected_identity {
                 forms.open_delivery(identity, code == KeyCode::Char('O'));
             } else {
                 state.status_message =
@@ -1038,6 +1047,7 @@ mod tests {
             statistics: RuntimeObservation::unknown(),
             has_draft: false,
             vault_initialized: true,
+            application: None,
         }
     }
 
@@ -1319,6 +1329,7 @@ mod tests {
                 statistics: RuntimeObservation::unknown(),
                 has_draft: false,
                 vault_initialized: true,
+                application: None,
             }),
             ..UiState::default()
         };
@@ -1350,6 +1361,7 @@ mod tests {
                 statistics: RuntimeObservation::unknown(),
                 has_draft: false,
                 vault_initialized: true,
+                application: None,
             }),
             ..UiState::default()
         };
@@ -1584,6 +1596,7 @@ mod tests {
             statistics: RuntimeObservation::unknown(),
             has_draft: false,
             vault_initialized: true,
+            application: None,
         };
         let mut worker = FakeWorker {
             shutdown_calls: 0,