Add mobile ergonomic acceptance tasks

src/leader.zig

@@ -76,6 +76,10 @@ pub const Leader = struct {
         return self.mode != .idle or self.message != null;
     }
 
+    pub fn capturesInput(self: *const Leader) bool {
+        return self.mode != .idle;
+    }
+
     pub fn promptText(self: *const Leader) []const u8 {
         return self.open_prompt.items;
     }