M2b：导入改造产出可审阅灵胚（启镜物化世谱）与组装管线（符文展开/火候进入 IR），Kernel 打通采样参数链路

backend/app/modules/imports/mapping.py

@@ -44,8 +44,11 @@ def character_book_to_entries(book: dict | None) -> list[dict]:
     """ST character_book entries → 世谱条目构造参数。"""
     if not book:
         return []
+    raw_entries = book.get("entries") or []
+    if isinstance(raw_entries, dict):  # ST V2 规范：entries 以 uid 为键的对象
+        raw_entries = list(raw_entries.values())
     result = []
-    for e in book.get("entries") or []:
+    for e in raw_entries:
         enabled_raw = e.get("enabled", True)
         result.append(
             {