feat: historique combat enrichi — loot affiché + 10 entrées

- Ajout loot_material_id + loot_quantity sur combat_logs
- Historique passe de 5 à 10 entrées
- Affichage loot (🎁×N) dans l'historique récent
- Fix scope variables multi-combat loot tracking

src/combat/combat-log.entity.ts

@@ -49,6 +49,12 @@ export class CombatLog {
   @Column({ name: 'level_up', default: false })
   levelUp: boolean;
 
+  @Column({ name: 'loot_material_id', type: 'varchar', nullable: true })
+  lootMaterialId: string | null;
+
+  @Column({ name: 'loot_quantity', default: 0 })
+  lootQuantity: number;
+
   @CreateDateColumn({ name: 'created_at' })
   createdAt: Date;
 }

src/combat/combat.service.ts

@@ -252,6 +252,8 @@ export class CombatService {
         xpEarned: result.xpEarned,
         goldEarned: result.goldEarned,
         levelUp: levelUpData.levelsGained > 0,
+        lootMaterialId: lootedMaterialId,
+        lootQuantity: lootMaterial?.quantity ?? 0,
       });
       await manager.save(combatLog);
 
@@ -386,6 +388,9 @@ export class CombatService {
 
         let newEnduranceSaved = enduranceCurrent - COMBAT_ENDURANCE_COST;
 
+        let combatLootMatId: string | null = null;
+        let combatLootQty = 0;
+
         if (result.winner === 'player') {
           const levelUp = applyXpGain(character.level, character.xp, result.xpEarned);
           character.xp = levelUp.newXp;
@@ -407,6 +412,8 @@ export class CombatService {
               await addMaterialInTx(manager, character.id, monster.dropMaterialId, dropQty);
               totals.loot.push({ name: 'matériau', quantity: dropQty });
               lootedMaterialIds.push(monster.dropMaterialId);
+              combatLootMatId = monster.dropMaterialId;
+              combatLootQty = dropQty;
             }
           }
         } else {
@@ -427,6 +434,7 @@ export class CombatService {
           winner: result.winner, totalRounds: result.totalRounds,
           roundsData: result.rounds, xpEarned: result.xpEarned,
           goldEarned: result.goldEarned, levelUp: false,
+          lootMaterialId: combatLootMatId, lootQuantity: combatLootQty,
         }));
 
         if (result.winner !== 'player') break; // Arrêt sur défaite
@@ -491,6 +499,7 @@ export class CombatService {
         xpEarned: true,
         goldEarned: true,
         levelUp: true,
+        lootQuantity: true,
         createdAt: true,
         monster: { id: true, name: true, minLevel: true, maxLevel: true } as any,
       },