Add explicit HTML slice anchors to epic_05, restore deep links across E5
backlogs and plans, fix E5M2 NEO-98 resolve vocabulary and E5.M3 Linear row,
and record review follow-up as Done.
Epic 5 Slice 3 encounter + reward routing: backlog doc, module/epic/register
updates, and Linear issues for one combat-pocket clear with idempotent loot.