step2

client/src/state/pages/auth.rs

@@ -1,4 +1,5 @@
 // src/state/pages/auth.rs
+use crate::state::canvas_state::CanvasState;
 
 #[derive(Default)]
 pub struct AuthState {
@@ -22,20 +23,48 @@ impl AuthState {
         }
     }
 
+    // These methods are now redundant since we implement CanvasState
+    // but we'll keep them for backward compatibility
     pub fn get_current_input_mut(&mut self) -> &mut String {
-        match self.current_field {
-            0 => &mut self.username,
-            1 => &mut self.password,
-            _ => panic!("Invalid current_field in AuthState"),
-        }
+        self.get_current_input_mut()
     }
 
     pub fn get_current_input(&self) -> &str {
-        match self.current_field {
-            0 => &self.username,
-            1 => &self.password,
-            _ => panic!("Invalid current_field in AuthState"),
-        }
+        self.get_current_input()
     }
 }
 
+impl CanvasState for AuthState {
+    fn current_field(&self) -> usize {
+        self.current_field
+    }
+
+    fn current_cursor_pos(&self) -> usize {
+        self.current_cursor_pos
+    }
+
+    fn has_unsaved_changes(&self) -> bool {
+        // Auth form doesn't need unsaved changes tracking
+        false
+    }
+
+    fn inputs(&self) -> Vec<&String> {
+        vec![&self.username, &self.password]
+    }
+
+    fn get_current_input(&self) -> &str {
+        match self.current_field {
+            0 => &self.username,
+            1 => &self.password,
+            _ => "", // Return empty string for invalid index instead of panicking
+        }
+    }
+
+    fn get_current_input_mut(&mut self) -> &mut String {
+        match self.current_field {
+            0 => &mut self.username,
+            1 => &mut self.password,
+            _ => panic!("Invalid current_field index in AuthState"),
+        }
+    }
+}