From 5f6d545eb3455a9e4da5a3cb4460811e3a48d939 Mon Sep 17 00:00:00 2001
From: Christian Cleberg <hello@cleberg.net>
Date: Sun, 12 Apr 2026 00:34:54 -0500
Subject: improve home attention flows and cross-linking

---
 Hutch/Models/Inbox.swift | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'Hutch/Models')

diff --git a/Hutch/Models/Inbox.swift b/Hutch/Models/Inbox.swift
index c89cb12..8ab2480 100644
--- a/Hutch/Models/Inbox.swift
+++ b/Hutch/Models/Inbox.swift
@@ -52,10 +52,14 @@ struct InboxThreadSummary: Identifiable, Hashable, Sendable {
     }
 
     var threadGroupingKey: String {
-        "\(listRID)#\(displaySubject.lowercased())"
+        "\(listRID)#\(Self.normalizationKey(for: subject))"
     }
 
-    private static func normalizedSubject(from subject: String) -> String {
+    nonisolated static func normalizationKey(for subject: String) -> String {
+        normalizedSubject(from: subject).lowercased()
+    }
+
+    private nonisolated static func normalizedSubject(from subject: String) -> String {
         let collapsedWhitespace = subject
             .replacingOccurrences(of: #"\s+"#, with: " ", options: .regularExpression)
             .trimmingCharacters(in: .whitespacesAndNewlines)
-- 
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