fix: align rule rollback version resolution

fastapi_modules/fastapi_leaudit/services/impl/ruleConfigServiceImpl.py

@@ -127,12 +127,10 @@ class RuleConfigServiceImpl(IRuleConfigService):
             resolved_version_id = current_version_id or fallback_version_id
             has_usable_version = bool(rule_set_meta.get("has_usable_version"))
             usable_rule_count = int(rule_set_meta.get("usable_rule_count") or 0)
-            latest_version_id = await self._load_latest_version_id(rule_set_id)
-            latest_version_seq = await self._load_version_seq_by_id(latest_version_id)
-            resolved_version_seq = await self._load_version_seq_by_id(resolved_version_id)
-            if latest_version_id is not None and (resolved_version_id is None or latest_version_seq > resolved_version_seq):
-                # 规则详情页优先读取最新草稿；上传运行仍以 current/fallback 的可用版本为准。
-                resolved_version_id = latest_version_id
+            if resolved_version_id is None:
+                # 仅在当前没有生效版本时，才回退到最新版本（通常是草稿）。
+                # 否则规则详情页必须与当前生效版本保持一致，发布/回滚后才能看到真实内容切换。
+                resolved_version_id = await self._load_latest_version_id(rule_set_id)
             if resolved_version_id is not None:
                 yaml_text = await self._load_yaml_text_by_version_id(resolved_version_id)
                 source_status = "ready" if yaml_text.strip() else "missing"

fastapi_modules/fastapi_leaudit/services/impl/ruleServiceImpl.py

@@ -54,12 +54,13 @@ class RuleServiceImpl(IRuleService):
                     FROM leaudit_rule_sets rs
                     LEFT JOIN leaudit_rule_versions current_rv
                       ON current_rv.id = rs.current_version_id
-                     AND current_rv.status IN ('published', 'rollback')
+                     AND current_rv.status = 'published'
                     LEFT JOIN LATERAL (
                         SELECT rv.id
                         FROM leaudit_rule_versions rv
                         WHERE rv.rule_set_id = rs.id
-                          AND rv.status IN ('published', 'rollback')
+                          AND rv.status = 'published'
+                          AND (rs.current_version_id IS NULL OR rv.id <> rs.current_version_id)
                         ORDER BY rv.version_seq DESC, rv.id DESC
                         LIMIT 1
                     ) fallback_rv ON TRUE