V5.1 Update tests and documentation

tests/artifacts/transcriptions/Rod_Moser_Letter_-_p1.jpg.txt

@@ -3,7 +3,7 @@ provider: openrouter
 model: openai/gpt-5.3-codex
 ---
 [document body mixed]
-JOHN ISBILL                                              R. T. MOSER
+JOHN ISBILL								R. T. MOSER
 
 ISBILL & MOSER
 DEALERS IN
@@ -16,18 +16,17 @@ I was at home a
 few nights ago & saw a
 letter from your folks, so
 I decided to write you
-a few lines [in?] regards of
-I am contemplat[ing?] a
+a few lines myself &
+ask contribution a
 trip out west next summer
-& want lots of [places?] to go
+I want lots of old [fellows?] to go
 where I am from.
-
-Am getting
-up in years & [remembering?].
-So you see the object of
+am getting
+up in years & [somebarries?].
+So you all are the object of
 my trip, is to get a wife
-If there is any old maids
+If there is any old maid
 or widows out there I
 want you to hire them
-at [pur?] [find?] me at them
+at our [illegible] me at there
 as soon as I get there.]