[oni-org] Add files with tasks in PARA directories

I'm trying out trying out PARA and these files sometimes have tasks in them.

oni-org/oni-org.el

@@ -444,7 +444,24 @@ and not a state update."
    (org-roam-db-query
     [:select :distinct file :from nodes :where (= todo $s1)] "TODO")))
 
-(setq org-agenda-files (list oni-org-todo-main-file))
+(defun oni-org-para-todo-files ()
+  "Collect all task files from my PARA repository."
+  (delete nil
+          (mapcar (lambda (dir)
+                    (cond
+                     ((string-prefix-p "." (file-name-nondirectory dir)) nil)
+                     (t (let ((file-name (expand-file-name "tasks.org" dir)))
+                          (and (file-exists-p file-name) file-name)))))
+                  (append (directory-files
+                           (expand-file-name "documents/exocortex-para/projects" (getenv "HOME"))
+                           :full)
+                          (directory-files
+                           (expand-file-name "documents/exocortex-para/areas" (getenv "HOME"))
+                           :full)))))
+
+(setq org-agenda-files (append (list oni-org-todo-main-file)
+                               (oni-org-roam-todo-files)
+                               (oni-org-para-todo-files)))
 (setq org-agenda-tags-todo-honor-ignore-options t)
 (setq org-agenda-todo-ignore-scheduled 'future)
 (setq org-agenda-restore-windows-after-quit t)