fix: restore mcp flexibility and improve cli tooling

crates/owlen-tui/src/chat_app.rs

@@ -211,7 +211,7 @@ impl ChatApp {
         let app = Self {
             controller,
             mode: InputMode::Normal,
-            status: "Ready".to_string(),
+            status: "Normal mode • Press F1 for help".to_string(),
             error: None,
             models: Vec::new(),
             available_providers: Vec::new(),
@@ -745,6 +745,12 @@ impl ChatApp {
                     }
                 }
 
+                if matches!(key.code, KeyCode::F(1)) {
+                    self.mode = InputMode::Help;
+                    self.status = "Help".to_string();
+                    return Ok(AppState::Running);
+                }
+
                 match self.mode {
                     InputMode::Normal => {
                         // Handle multi-key sequences first
@@ -2315,7 +2321,7 @@ impl ChatApp {
     }
 
     fn reset_status(&mut self) {
-        self.status = "Ready".to_string();
+        self.status = "Normal mode • Press F1 for help".to_string();
         self.error = None;
     }