ax: fix VoiceOver cursor sync and word double-read

Bug 1 (VO cursor not following Emacs cursor):
- Remove FocusedUIElementChangedNotification on emacsView (was a no-op:
  VO re-queried the same element)
- For Emacs-initiated char/word moves, keep natural next/previous
  direction instead of forcing discontiguous; SelectedTextChanged with
  direction=next advances VO browse cursor sequentially
- Only force discontiguous for line-boundary crossings and large jumps

Bug 2 (word double-read with punctuation):
- Root cause was FocusedUIElementChanged causing VO re-anchor speech
  on top of the explicit word announcement
- Removing FocusedUIElementChanged eliminates the duplicate speech
- Add emacsInitiated parameter to postFocusedCursorNotification;
  omit AXTextSelectionGranularity for Emacs-initiated moves so VO
  does not auto-speak (only explicit announcements provide speech)
- isWordMove now triggers on emacsInitiated flag (Emacs-initiated
  word moves always get explicit announcement)

patches/0000-ns-integrate-with-macOS-Zoom-for-cursor-tracking.patch

@@ -1,4 +1,4 @@
-From edb3a37f853fc9b98dfc96a7ba0434e87e1fdc3e Mon Sep 17 00:00:00 2001
+From a92cfbac382d563f5d54fac32fab1711414574bb Mon Sep 17 00:00:00 2001
 From: Martin Sukany <martin@sukany.cz>
 Date: Sat, 28 Feb 2026 22:39:35 +0100
 Subject: [PATCH 0/8] ns: integrate with macOS Zoom for cursor tracking
@@ -32,7 +32,7 @@ to the selected completion candidate after normal cursor tracking.
  3 files changed, 370 insertions(+)
 
 diff --git a/etc/NEWS b/etc/NEWS
-index ef36df5..80661a9 100644
+index 7367e3ccbd..4c149e41d6 100644
 --- a/etc/NEWS
 +++ b/etc/NEWS
 @@ -82,6 +82,17 @@ other directory on your system.  You can also invoke the
@@ -54,7 +54,7 @@ index ef36df5..80661a9 100644
  ** 'line-spacing' now supports specifying spacing above the line.
  Previously, only spacing below the line could be specified.  The user
 diff --git a/src/nsterm.h b/src/nsterm.h
-index 7c1ee4c..ea6e7ba 100644
+index 7c1ee4cf53..ea6e7ba4f5 100644
 --- a/src/nsterm.h
 +++ b/src/nsterm.h
 @@ -484,6 +484,12 @@ enum ns_return_frame_mode
@@ -71,7 +71,7 @@ index 7c1ee4c..ea6e7ba 100644
  }
  
 diff --git a/src/nsterm.m b/src/nsterm.m
-index 74e4ad5..fc75910 100644
+index 932d209f56..417c312a88 100644
 --- a/src/nsterm.m
 +++ b/src/nsterm.m
 @@ -71,6 +71,11 @@ Updated by Christian Limpach (chris@nice.ch)