deliver: 交付收口（引擎代为提交）

scripts/load_path.py

@@ -211,6 +211,17 @@ def _load_module_paths(mod):
     finally:
         globals()['DEFAULT_ROLE'] = DEFAULT_ROLE
 
+    # 去重：模块同时提供扁平 PATHS 与分层常量时（如 pbl_common）会重复采集，
+    # 同一 path 保留更严格的 role，避免计数虚高。
+    seen, deduped = {}, []
+    for p, r in out:
+        if p in seen:
+            deduped[seen[p]] = (p, _stricter(deduped[seen[p]][1], r))
+            continue
+        seen[p] = len(deduped)
+        deduped.append((p, r))
+    out = deduped
+
     if not out:
         if bad:
             return [], 'all entries malformed -> ' + '; '.join(bad), True