Added `on_footer_action` handler to manage footer action clicks in `EditEntryScreen`.

src/pilgrim/ui/screens/edit_entry_screen.py

@@ -1027,4 +1027,13 @@ class EditEntryScreen(Screen):
         # Tab: insert tab
         elif self.focused is self.text_entry and event.key == "tab":
             self.text_entry.insert('\t')
-            event.stop()
+            event.stop()
+
+    def on_footer_action(self, event) -> None:
+        """Handle clicks on footer actions (Textual 3.x)."""
+        action = event.action
+        method = getattr(self, f"action_{action}", None)
+        if method:
+            method()
+        else:
+            self.notify(f"No action found for: {action}", severity="warning")