Fix provider context limits and AWS authentication routing

app/src/settings_view/ai_page.rs

@@ -7242,6 +7242,9 @@ impl ProviderSettingsWidget {
             format!("Context: {}", model.context_size),
         ];
 
+        if let Some(default_context_size) = model.default_context_size {
+            details.push(format!("Default context: {default_context_size}"));
+        }
         if let Some(max_input_tokens) = model.max_input_tokens {
             details.push(format!("Max input: {max_input_tokens}"));
         }

app/src/settings_view/provider_setup_view.rs

@@ -782,6 +782,7 @@ impl ProviderSetupView {
                         if let Ok(context_size) = editor.as_ref(ctx).buffer_text(ctx).parse() {
                             model.context_size = context_size;
                             model.max_input_tokens = Some(context_size);
+                            model.default_context_size = Some(context_size);
                         }
                     }
                     me.update_next_button(ctx);