diff --git a/.claude/skills/parse-book/scripts/parse_upgrade.py b/.claude/skills/parse-book/scripts/parse_upgrade.py
index 2b5b097..1918046 100644
--- a/.claude/skills/parse-book/scripts/parse_upgrade.py
+++ b/.claude/skills/parse-book/scripts/parse_upgrade.py
@@ -358,6 +358,23 @@ def _chapter_sort_key(ch):
     return CHAP_BIG
 
 
+def _int_chaps(chaps):
+    """出场章归一化为整数集合（窗113 实证 bug 修复）：模型偶尔把章号输出成字符串（如 "508"），
+    与库内 int 章号一起 sorted 会炸（'<' not supported between int and str，深空窗113 当场停书）；
+    且 set 并集把 "508" 和 508 当两个值、会虚增跨章计数误判立卡门槛。这里把数字串强制转 int、
+    非数字（脏值/区间）丢弃——出场章只应是单章整数（区间只出现在里程碑「章」，不在出场章）。
+    bool 是 int 子类，显式排除以防 True/False 混入被当章号。"""
+    out = set()
+    for c in (chaps or []):
+        if isinstance(c, bool):
+            continue
+        if isinstance(c, int):
+            out.add(c)
+        elif isinstance(c, str) and c.strip().isdigit():
+            out.add(int(c.strip()))
+    return out
+
+
 def _infer_lifecycle(text):
     """从台阶文本启发式推断生命周期枚举（模型未给或非法「周期」时的降级填充）。
     诚实边界：这是关键词启发式、非精确判定；新抽取由提示词强制模型直接给枚举，此路仅兜底。"""
@@ -639,16 +656,17 @@ def new_card(conn, work_id, win_no, ent, milestone_types=None):
                 out.append(f"[窗{win_no}] {core}")
                 seen.add(core)
         fields0[k] = out
+    chaps_int = sorted(_int_chaps(ent.get("出场章", [])))   # 归一化 int（窗113 修复）：登场兜底与落库共用
     # 洞② 登场兜底：该型合同含「演变历程」但抽取结果无登场里程碑时，机械补一条登场（出场章 min + 摘要）——
     # 模型倾向只填当前态、漏建登场，此为「提示词硬约束 + 机械兜底」双保险里的机械那一保险。
     if milestone_types and ent.get("型") in milestone_types:
         fields0["演变历程"] = _debut_milestone(
-            fields0.get("演变历程") or [], ent.get("一句话摘要", ""), ent.get("出场章", []), win_no)
+            fields0.get("演变历程") or [], ent.get("一句话摘要", ""), chaps_int, win_no)
     payload = {"type": ent["型"], "名称": raw,
                "别名": [x for x in ([_clean_alias(a) for a in ent.get("别名", [])] + extra_alias) if x],
                "一句话摘要": ent.get("一句话摘要", ""),
                "字段": fields0,
-               "出场章": sorted(set(ent.get("出场章", []))),
+               "出场章": chaps_int,
                "来源": f"升格@窗{win_no}", "状态": "草稿",
                "目标库": "本书作品库", "可见范围": "本书私有",
                "_work_id": work_id}
@@ -763,7 +781,7 @@ def _classify_new_name(ent, name_map, presence):
          and nm != ex and (nm in ex or ex in nm)), None)
     if sub_hit:
         return "substr", sub_hit
-    chaps = set(ent.get("出场章", []))
+    chaps = _int_chaps(ent.get("出场章", []))   # 归一化 int：避免 "508"/508 混算虚增跨章计数
     hist = presence.get((t, nm), set())
     if len(chaps | hist) >= 2:               # 跨章（含跨窗合计）→ 立卡
         return "new", None
@@ -1109,7 +1127,7 @@ def run(work_id, max_windows, max_calls, model, redo_window, semantic_on):
                             (work_id, key, nm, win_no, TENANT))
                         continue
                     # kind in ("new","presence")：跨章立卡 / 单章龙套留档
-                    chaps = set(ent.get("出场章", []))
+                    chaps = _int_chaps(ent.get("出场章", []))   # 归一化 int（窗113 修复）
                     hist = presence.get((ent.get("型", ""), nm), set())
                     if kind == "new":                        # 跨章（含跨窗合计）→ 立卡
                         if hist:                             # 用留档补足初卡出场章
@@ -1282,7 +1300,8 @@ def run(work_id, max_windows, max_calls, model, redo_window, semantic_on):
                         continue
                     p = conn.execute("SELECT draft_payload FROM muse_knowledge_draft WHERE id=%s",
                                      (did,)).fetchone()[0]
-                    p["出场章"] = sorted(set(p.get("出场章", [])) | chs)
+                    # 归一化 int（窗113 修复）：库内旧 payload 可能残留字符串章号，与 chs(已 int)混排会炸
+                    p["出场章"] = sorted(_int_chaps(p.get("出场章", [])) | chs)
                     conn.execute("UPDATE muse_knowledge_draft SET draft_payload=%s WHERE id=%s",
                                  (json.dumps(p, ensure_ascii=False), did))
                 conn.execute(
diff --git a/.claude/skills/parse-book/scripts/test_parse_upgrade_offline.py b/.claude/skills/parse-book/scripts/test_parse_upgrade_offline.py
index 9bae2ed..9d0ddfb 100644
--- a/.claude/skills/parse-book/scripts/test_parse_upgrade_offline.py
+++ b/.claude/skills/parse-book/scripts/test_parse_upgrade_offline.py
@@ -161,6 +161,22 @@ def _fake_contracts():
     return c
 
 
+# ── ⑦ 出场章归一化 _int_chaps（窗113 实证 bug：int/str 混排炸 + 并集虚增计数）──
+def test_int_chaps():
+    # 核心复现：模型给字符串章号 "508" 与库内 int 507 混合，旧代码 sorted 直接炸
+    mixed = [507, "508", 509]
+    got = pu._int_chaps(mixed)
+    check("intchaps-混类型归一为int", got == {507, 508, 509})
+    check("intchaps-归一后可安全排序", sorted(got) == [507, 508, 509])
+    # 并集不再虚增：{"508"} 与 {508} 旧代码算 2 个（误判跨章立卡），归一后算 1 个
+    union = pu._int_chaps(["508"]) | {508}
+    check("intchaps-并集不虚增计数", union == {508} and len(union) == 1)
+    # 脏值/区间/bool 丢弃（出场章只应是单章整数）
+    check("intchaps-丢非数字与区间", pu._int_chaps(["420-423", "abc", None, 12]) == {12})
+    check("intchaps-排除bool", pu._int_chaps([True, False, 5]) == {5})
+    check("intchaps-空输入", pu._int_chaps([]) == set() and pu._int_chaps(None) == set())
+
+
 # ── ⑥ 三个提示词含关键纪律语句（洞②登场必须 / 洞③≤40字 + 体系级 / 洞②归并去重）──
 def test_prompts_disciplines():
     c = _fake_contracts()
@@ -190,6 +206,7 @@ def test_prompts_disciplines():
 
 if __name__ == "__main__":
     for fn in (test_classify_new_name, test_debut_milestone, test_clean_milestone_guard,
-               test_merge_material, test_build_embed_text_type_fix, test_prompts_disciplines):
+               test_merge_material, test_build_embed_text_type_fix, test_int_chaps,
+               test_prompts_disciplines):
         fn()
     print(f"\n全部离线自测通过：{_passed} 项（未连库、未发任何网络/嵌入/LLM 调用）")