update spirit

assets/scripts/data/ConfigMgr.ts

@@ -197,6 +197,19 @@ export class ConfigMgr {
                     throw new Error(`ConfigMgr: level "${lv.id}" spawn references unknown enemy "${sp.type}"`);
                 }
             }
+            if (lv.reinforcements) {
+                for (const rule of lv.reinforcements) {
+                    if (!enemyIds.has(rule.type)) {
+                        throw new Error(`ConfigMgr: level "${lv.id}" reinforcement references unknown enemy "${rule.type}"`);
+                    }
+                    if (rule.intervalSec <= 0) {
+                        throw new Error(`ConfigMgr: level "${lv.id}" reinforcement intervalSec must be positive`);
+                    }
+                    if (rule.count <= 0) {
+                        throw new Error(`ConfigMgr: level "${lv.id}" reinforcement count must be positive`);
+                    }
+                }
+            }
         }
     }
 

assets/scripts/data/Interfaces.ts

@@ -134,6 +134,22 @@ export interface ILevelObjective {
     bossId?: string;
 }
 
+/** Reinforcement rule — enemies that jump in from screen edges during gameplay. */
+export interface IReinforcementRule {
+    /** Which enemy type to spawn as reinforcement. */
+    type: EnemyType;
+    /** Minimum interval (seconds) between two reinforcement waves of this rule. */
+    intervalSec: number;
+    /** How many enemies to spawn per reinforcement wave. */
+    count: number;
+    /** Maximum total reinforcements of this rule per level (0 = unlimited). */
+    maxTotal?: number;
+    /** Which edge(s) the enemies appear from. */
+    edge: 'left' | 'right' | 'both';
+    /** Minimum elapsed seconds before this rule becomes active. */
+    delaySec?: number;
+}
+
 export interface ILevelConfig {
     id: string; // e.g. '1-1'
     chapter: 1 | 2 | 3;
@@ -150,6 +166,8 @@ export interface ILevelConfig {
     bgm: string;
     /** Enemy spawn list evaluated by the LevelMgr. */
     enemySpawns: Array<{ type: EnemyType; atPx: number; count?: number }>;
+    /** Dynamic reinforcement rules — enemies jump in from screen edges. */
+    reinforcements?: IReinforcementRule[];
 }
 
 // ---------------------------------------------------------------------------