org-agenda: start from today, remove duplicates

- Start from today (no past days visible)
- Show 7 days forward
- Skip done/cancelled items
- No duplicate: skip scheduled if deadline already shown
- Suppress early deadline warning if scheduled date exists

config.el

@@ -1446,6 +1446,15 @@ Skip for beamer exports — beamer uses adjustbox on plain tabular."
 (use-package! org-super-agenda
   :after org-agenda
   :config
+  ;; Agenda: start from today, no past days, no duplicates
+  (setq org-agenda-start-on-weekday nil
+        org-agenda-start-day "0d"
+        org-agenda-span 7
+        org-agenda-skip-scheduled-if-done t
+        org-agenda-skip-deadline-if-done t
+        org-agenda-skip-scheduled-if-deadline-is-shown t
+        org-agenda-skip-deadline-prewarning-if-scheduled 'pre-scheduled)
+
   ;; Sorting: priority first, then deadline, then scheduled
   (setq org-agenda-sorting-strategy
         '((agenda priority-down deadline-up scheduled-up)