ElyMark: the writing view reaches the document - width, font, size, focus, typewriter (C14.12)

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

apps/ely-mark/src/outside.rs

@@ -55,6 +55,8 @@ pub struct Extra {
     pub restored: bool,
     /// Disk reads started; only the newest lands.
     pub reads: u64,
+    /// The writing view reached its document.
+    pub looked: bool,
 }
 
 impl Extra {
@@ -79,6 +81,7 @@ impl Default for Extra {
             pointing: false,
             restored: false,
             reads: 0,
+            looked: false,
         }
     }
 }