0.1.39 P0: missionIds prune + chronicle smart trim

src/renderer/game/engine/runtime/World.ts

@@ -334,6 +334,13 @@ export class World {
     this.out.forEach((o) => o.onLog(kind, text))
   }
 
+  /**
+   * 0.1.39 根治：chronicle 智能裁剪——保留全部 important=true 里程碑 +
+   * 最近 MAX_NON_IMPORTANT 条非重要记录。旧版无差别 splice 会丢失关键里程碑。
+   * 裁剪在 push 后触发，对调用方透明（不改变确定性序列——裁剪不消耗 rng）。
+   */
+  private static readonly CHRONICLE_MAX_NON_IMPORTANT = 400
+
   chronicle(cat: ChronicleEntry['category'], text: string, memberId?: Id, important = false): void {
     const entry: ChronicleEntry = {
       id: this.seq(),
@@ -345,7 +352,16 @@ export class World {
       important
     }
     this.state.chronicle.push(entry)
-    if (this.state.chronicle.length > 520) this.state.chronicle.splice(0, this.state.chronicle.length - 520)
+    // 0.1.39 智能裁剪：仅在总数超限时触发，保留全部 important +最近非 important
+    const max = World.CHRONICLE_MAX_NON_IMPORTANT
+    if (this.state.chronicle.length > max + 200) {
+      const important_ones = this.state.chronicle.filter((e) => e.important)
+      const non_important = this.state.chronicle.filter((e) => !e.important)
+      const trimmed_non = non_important.slice(-max)
+      this.state.chronicle = [...important_ones, ...trimmed_non].sort(
+        (a, b) => (a.year - b.year) || (a.month - b.month) || (a.id < b.id ? -1 : 1)
+      )
+    }
     this.out.forEach((o) => o.onChronicle(entry, important))
   }