introduction and Skills:\r\nFixed saveIntro and saveSkills to ensure UI updates (text field closes, success popup shows).\r\nAdded logging to trace AJAX responses and userSkills updates.\r\nJobs Filtering:\r\nEnsured userSkills is correctly passed to getCards for skill-based job filtering.\r\nAdded server-side logging (error_log) for skills conditions.\r\nClient-side logging to verify skills sent in AJAX requests.
