calfw capture: store date before capture to avoid cfw:component error

calfw-cursor-to-nearest-date fails in capture buffer context.
Fix: my/calfw-capture saves date first, then starts org-capture.

config.el

@@ -1598,6 +1598,15 @@ Skip for beamer exports — beamer uses adjustbox on plain tabular."
   :demand t
   :config
   ;; org-capture integration: "a" to add event on selected date
+  ;; Store date from calfw before capture starts
+  (defvar my/calfw-capture-date nil "Date selected in calfw for capture.")
+
+  (defun my/calfw-capture ()
+    "Start org-capture with calfw date context."
+    (interactive)
+    (setq my/calfw-capture-date (calfw-cursor-to-nearest-date))
+    (org-capture nil "c"))
+
   ;; Prompts for start/end time; empty = all-day event
   ;; Uses active timestamp with time range for timed events,
   ;; or date-range (-->--) for multi-day events.
@@ -1608,7 +1617,7 @@ Formats matching what org-caldav/ox-icalendar export correctly:
   - Timed single day: <2026-02-26 Thu 14:00-15:30>
   - All-day multi: <2026-02-26 Thu>--<2026-02-28 Sat>
   - Timed multi-day: <2026-02-26 Thu 15:00>--<2026-02-28 Sat 22:00>"
-    (let* ((date (calfw-cursor-to-nearest-date))
+    (let* ((date (or my/calfw-capture-date (calendar-current-date)))
            (y (calendar-extract-year date))
            (m (calendar-extract-month date))
            (d (calendar-extract-day date))
@@ -1669,7 +1678,7 @@ Formats matching what org-caldav/ox-icalendar export correctly:
     "M"   #'calfw-change-view-month
     "D"   #'calfw-change-view-day
     "TAB" #'calfw-navi-next-item-command
-    "a"   #'org-capture
+    "a"   #'my/calfw-capture
     "q"   #'bury-buffer
     "x"   #'calfw-org-clean-exit
     "RET" #'calfw-org-open-agenda-day