Arrow keys work without Fn outside Text Entry

; . , / are arrows on their own unless the foreground App is editing
text (App::textEntryActive); Fn + those keys are arrows everywhere.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EhqxQ49eCju4CzKYNjZzwT

CONTEXT.md

@@ -66,6 +66,10 @@ The regulatory band plan the device transmits under (here EU868). It sets the al
 **Duty Cycle Budget**:
 The share of airtime the Region allows this device to transmit. When it's used up, outgoing traffic waits.
 
+**Text Entry**:
+When an App is editing text. During Text Entry, `;` `.` `,` `/` type their characters and Fn makes them arrows. Otherwise they are arrows on their own.
+_Avoid_: edit mode, insert mode
+
 **Compose Key**:
 The `opt` key used as a dead key. Pressing it and then a base letter types an accented character (e.g. `opt` `'` `e` → é).
 _Avoid_: modifier, alt