fix(emacs): use rbw for org-caldav auth instead of GPG

GPG isn't installed, so .authinfo.gpg approach doesn't work.
Added wrapper function my/org-caldav-sync-with-rbw that fetches
credentials from rbw before calling org-caldav-sync.

Setup: rbw add nextcloud-caldav (app password as secret)

home/roles/emacs/doom/config.el

@@ -86,7 +86,7 @@
 ;; org-caldav: Sync Org entries with Nextcloud CalDAV
 ;; Setup requirements:
 ;; 1. Create Nextcloud app password: Settings -> Security -> Devices & sessions
-;; 2. Store in rbw: rbw add nextcloud-caldav (username in notes, app password as secret)
+;; 2. Store in rbw: rbw add nextcloud-caldav (put app password as the secret)
 ;; 3. Run: doom sync
 ;; 4. Test: M-x org-caldav-sync
 ;;
@@ -97,11 +97,22 @@
   :commands (org-caldav-sync)
   :init
   (map! :leader
-        :desc "Sync calendar" "o C" #'org-caldav-sync)
+        :desc "Sync calendar" "o C" #'my/org-caldav-sync-with-rbw)
   :config
   ;; Nextcloud CalDAV base URL
   (setq org-caldav-url "https://nextcloud.johnogle.info/remote.php/dav/calendars/johno")
 
+  ;; Configure auth using rbw (bypasses need for GPG/.authinfo.gpg)
+  (defun my/org-caldav-sync-with-rbw ()
+    "Run org-caldav-sync with credentials from rbw."
+    (interactive)
+    (let* ((password (my/get-rbw-password "nextcloud-caldav"))
+           (auth-entry (list "nextcloud.johnogle.info:443"
+                             (cons "johno" password))))
+      ;; Set up URL auth cache
+      (setq url-http-basic-auth-storage (list auth-entry))
+      (org-caldav-sync)))
+
   ;; Timezone for iCalendar export
   (setq org-icalendar-timezone "America/Los_Angeles")