docs: record combat, wolves, factions, and tribe war systems

docs/LEARNING_ROADMAP.md

@@ -998,6 +998,21 @@ trust toward the player. The opportunity family grew to four types
 cold season halves gather yields and pauses regrowth to create recurring
 scarcity.
 
+The first conflict systems slice is also complete. `ItemDefinition` +
+`SimulationItems` establish the extensible weapon/inventory contract.
+`ConflictSystem` owns deterministic combatant records (health, weapons,
+factions, hostility), the village and hill-tribe faction records, wolf hunger
+attacks, the tribe war-motivation decision (tribe hunger + village surplus ->
+desire; tribe strength vs NPC-derived village defence -> victory confidence;
+watch one interval, then raid, plan, or abort), raid spawning, battle
+resolution, and war consequences. Strong villagers automatically defend during
+a raid. The player fights with an equipped sword and dash through a
+`PlayerCombatController`, and `CombatPresentation` binds hostile raider/wolf
+visuals to the authoritative combatants. Headless tests cover combat
+determinism, wolf attacks, war motivation (raid only when confident, abort when
+the village is strong), raid-to-resolution chains, player kills, and
+save/restore.
+
 Recently completed:
 
 - `Jajce Villager Field Note 12`: a separate player-facing note selects the