Mike's 4/30 audit (surfaced via /sync) flagged that 31 closed tickets had
00:00:00 in Syncro time tracking — bare add_line_item bypasses time entries
and breaks reporting. I had just done the same on today's 3 tickets; Winter
retroactively added time entries. Rewrote the syncro skill (commit ec98c6c)
to make timer_entry -> charge_timer_entry the default and demote bare
add_line_item to a fallback for non-time items only. Disabled the
now-redundant scheduled agent (trig_01CAfvwoQ4nLcKEqbU4UQmSa).