__( 'Peptides', 'peptide-starter' ), 'description' => __( 'Browse the complete reagent directory with protocols and research parameters.', 'peptide-starter' ), 'url' => '/peptides', 'icon' => '', 'available' => shortcode_exists( 'peptide_directory' ) || post_type_exists( 'peptide' ), ), array( 'title' => __( 'Calculator', 'peptide-starter' ), 'description' => __( 'Precision reconstitution calculator for accurate laboratory preparations.', 'peptide-starter' ), 'url' => '/calculator', 'icon' => '', 'available' => shortcode_exists( 'peptide_tools_calculator' ), ), array( 'title' => __( 'Protocol Builder', 'peptide-starter' ), 'description' => __( 'Interactive multi-step wizard for designing research protocols.', 'peptide-starter' ), 'url' => '/protocol-builder', 'icon' => '', 'available' => shortcode_exists( 'peptide_tools_protocol_builder' ), ), array( 'title' => __( 'Tracker', 'peptide-starter' ), 'description' => __( 'Log doses, manage active compounds, and forecast vial depletion timelines.', 'peptide-starter' ), 'url' => '/tracker', 'icon' => '', 'available' => shortcode_exists( 'peptide_tracker' ), ), array( 'title' => __( 'Science Feed', 'peptide-starter' ), 'description' => __( 'Latest research publications, clinical studies, and laboratory insights.', 'peptide-starter' ), 'url' => '/news', 'icon' => '', 'available' => shortcode_exists( 'peptide_news' ), ), array( 'title' => __( 'Subject Log', 'peptide-starter' ), 'description' => __( 'Longitudinal tracking for biomarker data and protocol history.', 'peptide-starter' ), 'url' => '/subject-log', 'icon' => '', 'available' => shortcode_exists( 'peptide_tracker_subject_log' ), ), ); ?>