feat: remove ModePicker overlay and related commands; update mode handling and documentation

src/app/runtime/actions/mod.rs

@@ -30,7 +30,6 @@ pub enum Action {
     OpenOverlay(Overlay),
     CloseOverlay,
     ToggleYoloArm,
-    CycleAgentMode,
     SystemNote {
         kind: String,
         message: String,
@@ -242,13 +241,6 @@ pub fn apply_action(state: &mut AppStateRest, action: Action) {
             state.misc.yolo_armed = !state.misc.yolo_armed;
             state.dirty = true;
         }
-        Action::CycleAgentMode => {
-            let next = state.mode.cycle();
-            state.set_mode(next);
-            let toast = Toast::new(ToastKind::Info, format!("Mode: {}", state.mode.name()));
-            state.push_toast(toast);
-            state.dirty = true;
-        }
         Action::SystemNote { kind: _kind, message } => {
             let toast = crate::app::state::types::Toast::new(
                 crate::app::state::types::ToastKind::Info,

src/app/state/misc.rs

@@ -75,14 +75,6 @@ const COMMANDS: &[&str] = &[
     "/lesson import",
     "/lesson accept",
     "/lesson reject",
-    "/mode chat",
-    "/mode bash",
-    "/mode help",
-    "/mode settings",
-    "/mode effort",
-    "/mode mcp",
-    "/mode rewind",
-    "/mode editor",
     "/login",
     "/login zen",
     "/login openai",

src/app/state/rest.rs

@@ -68,7 +68,7 @@ impl AppStateRest {
             .map(|n| n.to_string_lossy().to_string())
             .unwrap_or_default();
         AppStateRest {
-            mode: AgentMode::Normal,
+            mode: AgentMode::Auto,
             settings,
             app_config,
             workspace_roots,

src/app/state/types.rs

@@ -87,7 +87,6 @@ pub enum Overlay {
     Loading,
     ModelSelector,
     ClearConfirm,
-    ModePicker,
     LoginPicker,
 }