v2.2.23

Added / Enhanced

• Archive Subtree command and archive-aware Agenda/Tagged Agenda/Calendar filtering.
• TODO dependency enforcement option for parent/child completion guards.
• Clocking MVP commands: Clock In, Clock Out, Update Clock Table.
• Clocktable syntax scopes and Syntax Color Customizer entries (including background support).

Clock parity improvements

• Clocktable insertion now respects task-body indentation and inserts at subtree end (below body content).
• Existing clocktable detection now scans full subtree to avoid duplicate blocks.
• Clock-in reuses existing LOGBOOK drawers within subtree to avoid duplicate drawers.