Adds HeykelSavasiContext runtime logic for Task 4.2: per-team statue
break progress/winner tracking (extracted into a pure, testable
StatueProgressState), OnDestructibleDied wiring against the base
MiniGameContext's existing Destructible->Died auto-subscription, and
SpawnStatueAsync which spawns the next statue (561) + 4 guards (580)
via the map initializer using placeholder line-of-statues coordinates.
OnGameStartAsync now spawns each team's first statue after the warp.
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