Added the informal address to the BeyondFacts Lab (#1176)

app/Build/AGENTS.md

@@ -43,6 +43,14 @@ order of the list is chronological only. Bug reports
 alone and commissioned work outside this repository get no entry on the supporters page; the changelog may
 still thank them.
 
+**Ideas, expertise, and concepts.** A person whose idea, expertise, or concept shapes a part of AI Studio,
+such as the researcher who designed an assistant and wrote its content, gets an entry in the list "Ideas,
+Expertise, and Concepts" on the supporters page, also without any contribution to this repository. The maintainer decides who counts, and the person agrees
+to be named. Their entry gives their full name, since they may have no GitHub account, and links to a page
+of their own if they have one:
+`<Supporter Name="<first name> <last name>" Type="SupporterType.INDIVIDUAL" URL="<their page>" Acknowledgment="@T("…")"/>`,
+or without `URL`. The list is sorted by when the idea, expertise, or concept came to AI Studio.
+
 The credit choice in the pull request template is binding:
 
 - **"Credit me with my GitHub username only":** use the GitHub username alone. No real name, neither in

app/Build/Commands/CollectI18NKeysCommand.cs

@@ -67,7 +67,12 @@ public sealed partial class CollectI18NKeysCommand
             {
                 // The key in the format A.B.C.D.T{hash}, with the hash the app computes at runtime:
                 var key = $"UI_TEXT_CONTENT.{langNamespace}.T{I18NKeyHash.Of(match.Text)}";
-                allI18NContent.TryAdd(key, I18NKeyHash.NormalizeLineEndings(match.Text));
+                var text = I18NKeyHash.NormalizeLineEndings(match.Text);
+                allI18NContent.TryAdd(key, text);
+
+                // A text of TA() addresses the reader, so it gets a second key for the informal address:
+                if (match.HasAddressVariants)
+                    allI18NContent.TryAdd(I18NAddressVariant.InformalKeyOf(key), text);
             }
         }