Capture whether segment was running before reassignment, and only reopen
for new assignee if it was. A paused task that gets reassigned should not
start accruing time for the new assignee until explicitly resumed.
Also add test: reassignment while paused does not open segment.
Co-Authored-By: claude-flow <ruv@ruv.net>
Implement daily time tracking and splitting for programmer tasks across
Manila midnights with proper assignee attribution, including support for
pauses, reassignments, and adjustments.
Co-Authored-By: claude-flow <ruv@ruv.net>
redz1029