feat: status effects (poison/burn), boss patterns, new relics

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

game/event.go

@@ -114,6 +114,16 @@ func (s *GameSession) spawnBoss() {
 		mt = entity.MonsterBoss5
 	}
 	boss := entity.NewMonster(mt, s.state.FloorNum)
+	switch mt {
+	case entity.MonsterBoss5:
+		boss.Pattern = entity.PatternAoE
+	case entity.MonsterBoss10:
+		boss.Pattern = entity.PatternPoison
+	case entity.MonsterBoss15:
+		boss.Pattern = entity.PatternBurn
+	case entity.MonsterBoss20:
+		boss.Pattern = entity.PatternHeal
+	}
 	if s.state.SoloMode {
 		boss.HP = boss.HP / 2
 		boss.MaxHP = boss.HP

game/session.go

@@ -220,6 +220,8 @@ func (s *GameSession) GetState() GameState {
 		copy(cp.Inventory, p.Inventory)
 		cp.Relics = make([]entity.Relic, len(p.Relics))
 		copy(cp.Relics, p.Relics)
+		cp.Effects = make([]entity.ActiveEffect, len(p.Effects))
+		copy(cp.Effects, p.Effects)
 		players[i] = &cp
 	}
 

game/turn.go

@@ -73,6 +73,19 @@ collecting:
 }
 
 func (s *GameSession) resolvePlayerActions() {
+	// Tick status effects
+	for _, p := range s.state.Players {
+		if !p.IsOut() {
+			msgs := p.TickEffects()
+			for _, msg := range msgs {
+				s.addLog(msg)
+			}
+			if p.IsDead() {
+				s.addLog(fmt.Sprintf("☠ %s has fallen!", p.Name))
+			}
+		}
+	}
+
 	var intents []combat.AttackIntent
 	var intentOwners []string // track who owns each intent
 
@@ -299,6 +312,9 @@ func (s *GameSession) grantBossRelic() {
 		{Name: "Power Amulet", Effect: entity.RelicATKBoost, Value: 3, Price: 120},
 		{Name: "Iron Ward", Effect: entity.RelicDEFBoost, Value: 2, Price: 100},
 		{Name: "Gold Charm", Effect: entity.RelicGoldBoost, Value: 5, Price: 150},
+		{Name: "Antidote Charm", Effect: entity.RelicPoisonImmunity, Value: 0, Price: 100},
+		{Name: "Flame Guard", Effect: entity.RelicBurnResist, Value: 0, Price: 120},
+		{Name: "Life Siphon", Effect: entity.RelicLifeSteal, Value: 10, Price: 150},
 	}
 	for _, p := range s.state.Players {
 		if !p.IsOut() {
@@ -329,6 +345,32 @@ func (s *GameSession) resolveMonsterActions() {
 					}
 				}
 			}
+			if m.IsBoss {
+				// Boss special pattern
+				switch m.Pattern {
+				case entity.PatternPoison:
+					for _, p := range s.state.Players {
+						if !p.IsOut() {
+							p.AddEffect(entity.ActiveEffect{Type: entity.StatusPoison, Duration: 3, Value: 5})
+							s.addLog(fmt.Sprintf("%s poisons %s!", m.Name, p.Name))
+						}
+					}
+				case entity.PatternBurn:
+					for _, p := range s.state.Players {
+						if !p.IsOut() {
+							p.AddEffect(entity.ActiveEffect{Type: entity.StatusBurn, Duration: 2, Value: 8})
+							s.addLog(fmt.Sprintf("%s burns %s!", m.Name, p.Name))
+						}
+					}
+				case entity.PatternHeal:
+					healAmt := m.MaxHP / 10
+					m.HP += healAmt
+					if m.HP > m.MaxHP {
+						m.HP = m.MaxHP
+					}
+					s.addLog(fmt.Sprintf("%s regenerates %d HP!", m.Name, healAmt))
+				}
+			}
 		} else {
 			if targetIdx >= 0 && targetIdx < len(s.state.Players) {
 				p := s.state.Players[targetIdx]