refactor: JsonControl grows an inherent take_click (6bd value shrink)

take_click left WidgetHost; the two button-gated drain sites match the
Button variant directly instead of going through as_dyn_mut.

Co-Authored-By: Claude Fable 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01N4ajhvVZtyEEEus9bodsj3

 src/json_layout.rs | 12 +++++++++++-
 src/main.rs        |  2 +-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/json_layout.rs b/src/json_layout.rs
index cdbf4cf..62adf9a 100644
--- a/src/json_layout.rs
+++ b/src/json_layout.rs
@@ -79,6 +79,16 @@ impl JsonControl {
             JsonControl::Slider(w) => w,
         }
     }
+
+    /// Drain the one-shot click flag (6bd value shrink — `take_click` left `WidgetHost`,
+    /// the drains are concrete `Adapted` methods). Only buttons carry one, and both call
+    /// sites already gate on the button widget type.
+    pub fn take_click(&mut self) -> bool {
+        match self {
+            JsonControl::Button(w) => w.take_click(),
+            _ => false,
+        }
+    }
 }
 
 pub struct JsonWidget {
@@ -484,7 +494,7 @@ impl JsonLayoutWidget {
                 if w.widget_type == "button" {
                     // take_click is an WidgetHost method; the Phase 5 Button is Adapted, so call it
                     // on the box directly rather than through a concrete downcast.
-                    if w.target_page.is_some() && w.widget.as_dyn_mut().take_click() {
+                    if w.target_page.is_some() && w.widget.take_click() {
                         page_switch = Some(w.target_page.unwrap());
                     }
                 }
diff --git a/src/main.rs b/src/main.rs
index c83e37c..130b158 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1823,7 +1823,7 @@ impl PointerHandler for AppState {
                                     for w in &mut jl.widgets {
                                         // take_click is an WidgetHost method; Phase 5 Buttons are
                                         // Adapted, so ask the box directly.
-                                        if w.widget_type == "button" && w.widget.as_dyn_mut().take_click() {
+                                        if w.widget_type == "button" && w.widget.take_click() {
                                             clicked_btn_id = Some(w.id.clone());
                                             break;
                                         }