fix: aggressive redraw reduction for macOS Zoom accessibility

- doom-modeline-refresh-rate: 1.0 → 5.0
- org-idle-time: 1.0 → 15
- auto-revert-interval: 5s → 30s, disable VC polling
- diff-hl-flydiff-delay: 0.3 → 30s
- flycheck idle delays: 0.5 → 10s
- global-hl-line-mode disabled (redraw trigger)

config.el

@@ -412,12 +412,33 @@
 
 (add-hook 'focus-out-hook #'garbage-collect)
 
-(setq doom-modeline-refresh-rate 1.0) ;; default je 0.1–0.2
+(setq doom-modeline-refresh-rate 5.0) ;; zvýšeno — méně redraws pro macOS Zoom
 
 (setq which-key-idle-delay 0.8
       which-key-idle-secondary-delay 0.05)
 
-(setq org-idle-time 1.0)
+(setq org-idle-time 15)  ;; zvýšeno z 1.0 — org clock idle check méně často
+
+;; --------------------------------------------------
+;; macOS Zoom accessibility — minimalizace redraws
+;; --------------------------------------------------
+;; Auto-revert: zvýšit interval, vypnout VC info check
+(setq auto-revert-interval 30)
+(setq auto-revert-check-vc-info nil)
+(setq auto-revert-avoid-polling t)
+
+;; VC gutter — vypnout periodický refresh
+(after! diff-hl
+  (setq diff-hl-flydiff-delay 30))
+
+;; Flycheck — zvýšit idle delay
+(after! flycheck
+  (setq flycheck-idle-change-delay 10
+        flycheck-idle-buffer-switch-delay 10))
+
+;; Highlight line — vypnout (redraw při každém idle timeru)
+(remove-hook 'doom-first-buffer-hook #'global-hl-line-mode)
+(after! hl-line (global-hl-line-mode -1))
 
 
 ;; --- macOS clipboard: pbcopy/pbpaste (funguje i v terminal Emacs) ---