feat: implement model management commands and overlays for enhanced user interaction

src/app/runtime/commands.rs

@@ -34,6 +34,9 @@ pub fn apply_command(command: Command) -> Vec<Action> {
         Command::Mode(mode) => {
             vec![Action::SwitchMode(mode)]
         }
+        Command::ClearConfirm => {
+            vec![Action::OpenOverlay(Overlay::ClearConfirm)]
+        }
         Command::Clear => {
             vec![Action::SystemNote {
                 kind: "clear".to_string(),
@@ -43,12 +46,27 @@ pub fn apply_command(command: Command) -> Vec<Action> {
         Command::Login { provider } => {
             vec![Action::StartOAuth { provider }]
         }
+        Command::Edit(path) if path == "." || path.is_empty() => {
+            vec![Action::SystemNote {
+                kind: "info".to_string(),
+                message: "Usage: /edit <path>\nOpens a file for inline editing.\nExample: /edit src/main.rs".to_string(),
+            }]
+        }
         Command::Edit(path) => {
             vec![Action::OpenEditor { path }]
         }
         Command::McpAdd { name, command } => {
             vec![Action::McpAdd { name, command }]
         }
+        Command::ModelList => {
+            vec![Action::ModelList]
+        }
+        Command::ModelUse { provider } => {
+            vec![Action::ModelUse { provider }]
+        }
+        Command::ModelAdd { name, base_url } => {
+            vec![Action::ModelAdd { name, base_url }]
+        }
         Command::Unknown(cmd) => {
             vec![Action::SystemNote {
                 kind: "error".to_string(),