fix: preserve species roles through confirmation

apps/web/vue3/main.py

@@ -777,18 +777,12 @@ def _reconcile_confirmed_gene_family_species(
         job_id,
         _param_list(routed_params.get("comparativeSpecies") or routed_intent.get("comparative_species")),
     )
-    explicit_reference_set = set(explicit["referenceSpecies"])
-    explicit_assigned_set = set(
-        explicit["targetSpecies"]
-        + explicit["referenceSpecies"]
-        + explicit["comparativeSpecies"]
-    )
+    explicit_unassigned_set = set(explicit["unassigned"])
     for species in structured_targets:
         config_role = config_role_by_species.get(species)
         if (
             config_role in {None, "reference"}
-            and species not in explicit_reference_set
-            and species not in explicit_assigned_set
+            and species in explicit_unassigned_set
         ):
             conflicts.append({
                 "code": "analysis_target_config_role_conflict",
@@ -865,10 +859,24 @@ def _species_role_conflict_message(conflicts: list[Dict[str, str]]) -> str:
         config_role = role_labels.get(conflict.get("config_role") or "", conflict.get("config_role") or "未知")
         requested_role = role_labels.get(conflict.get("requested_role") or "", conflict.get("requested_role") or "配置内部重复角色")
         details.append(f"{species}：config.xlsx 为{config_role}，本轮为{requested_role}")
+    conflict_codes = {str(conflict.get("code") or "") for conflict in conflicts}
+    detail_text = "；".join(details)
+    if "config_species_role_conflict" in conflict_codes:
+        return (
+            "检测到 config.xlsx 内部物种角色冲突："
+            + detail_text
+            + "。请发送“打开 config.xlsx”，修正并重新确认物种角色后再继续。"
+        )
+    if "analysis_target_config_role_conflict" in conflict_codes:
+        return (
+            "检测到系统意图解析发生角色漂移："
+            + detail_text
+            + "。config.xlsx 未被修改，系统已阻止按错误范围执行，请重新提交当前分析请求。"
+        )
     return (
-        "检测到物种角色不一致："
-        + "；".join(details)
-        + "。为避免按错误范围执行，请发送“打开 config.xlsx”，核对并重新确认物种角色后再继续。"
+        "检测到本轮请求与项目物种角色不一致："
+        + detail_text
+        + "。系统已阻止执行，请按 config.xlsx 中已确认的角色重新描述分析范围。"
     )