diff --git a/.claude/skills/parse-book/scripts/parse_upgrade.py b/.claude/skills/parse-book/scripts/parse_upgrade.py
index 764f1c0..0d50a1b 100644
--- a/.claude/skills/parse-book/scripts/parse_upgrade.py
+++ b/.claude/skills/parse-book/scripts/parse_upgrade.py
@@ -340,19 +340,24 @@ def merge_card(conn, draft_id, win_no, changes, alias_new, valid_keys=None):
             old = fields.get(k) if isinstance(fields.get(k), list) else ([fields[k]] if fields.get(k) else [])
             seen = {_strip_prefix(x) for x in old}          # 同文去重（抽检#1 重复病）
             for it in items:
-                core = _strip_prefix(it)                     # 剥模型自带前缀（抽检#1 堆叠病）
-                if core and _is_garbage(core):
-                    # 结构垃圾条目拒收留审计（窗75 事故根治：变更包字符串化混进字段值）
-                    conn.execute(
-                        """INSERT INTO example_upgrade_audit
-                               (draft_id, window_no, field_name, old_value, new_value, tenant_id)
-                           VALUES (%s,%s,%s,NULL,%s,%s)""",
-                        (draft_id, win_no, ("垃圾拦截:" + str(k))[:100],
-                         str(core)[:2000], TENANT))
-                    continue
-                if core and core not in seen:
-                    old.append(f"[窗{win_no}] {core}")
-                    seen.add(core)
+                # 巨型粘连拆分（唐灵窗51 实测：模型把整个历史弧线连成一条"…；[窗2]…；[窗3]…"
+                # 输出成单条目）——按"；[窗N]"边界拆段，带原窗号的段保留原窗号，其余记本窗
+                for seg in re.split(r"；\s*(?=\[[窗本])", str(it)):
+                    m0 = re.match(r"^\[窗(\d+)\]\s*(.*)", seg.strip(), flags=re.S)
+                    seg_win, body = (int(m0.group(1)), m0.group(2)) if m0 else (win_no, seg)
+                    core = _strip_prefix(body)               # 剥模型自带前缀（抽检#1 堆叠病）
+                    if core and _is_garbage(core):
+                        # 结构垃圾条目拒收留审计（窗75 事故根治：变更包字符串化混进字段值）
+                        conn.execute(
+                            """INSERT INTO example_upgrade_audit
+                                   (draft_id, window_no, field_name, old_value, new_value, tenant_id)
+                               VALUES (%s,%s,%s,NULL,%s,%s)""",
+                            (draft_id, win_no, ("垃圾拦截:" + str(k))[:100],
+                             str(core)[:2000], TENANT))
+                        continue
+                    if core and core not in seen:
+                        old.append(f"[窗{seg_win}] {core}")
+                        seen.add(core)
             # 窗序归位（抽检 M2：补跑/重试窗条目尾插致时间线倒流）——稳定排序，同窗保持原序
             fields[k] = sorted(old, key=_entry_win)
         elif isinstance(v, str) and _is_garbage(v):