From d6d3699fbad875e620cf39806315b2109401b9c3 Mon Sep 17 00:00:00 2001
From: Andrew Mayers <andrew@mayers.us>
Date: Tue, 15 Jul 2025 09:06:44 -0400
Subject: [PATCH] Add a read only subscript to ObservableModel

https://square.slack.com/archives/CBZJ5V163/p1751313246347059
---
 WorkflowSwiftUI/Sources/ObservableModel.swift | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/WorkflowSwiftUI/Sources/ObservableModel.swift b/WorkflowSwiftUI/Sources/ObservableModel.swift
index 2a22b7c32..1c8d4cedd 100644
--- a/WorkflowSwiftUI/Sources/ObservableModel.swift
+++ b/WorkflowSwiftUI/Sources/ObservableModel.swift
@@ -147,4 +147,9 @@ extension ObservableModel {
             accessor.sendValue { $0[keyPath: keyPath] = newValue }
         }
     }
+
+    /// Allows dynamic member lookup to read state through the accessor.
+    public subscript<T>(dynamicMember keyPath: KeyPath<State, T>) -> T {
+        accessor.state[keyPath: keyPath]
+    }
 }