++

backend/app/services/tension.py

@@ -79,6 +79,10 @@ class TensionEngine:
         self.llm = llm
         self._stable_rounds: dict[str, int] = {}
         self._quiet_rounds: dict[str, int] = {}
+        self._locale: str = "en"
+
+    def set_locale(self, locale: str) -> None:
+        self._locale = (locale or "en").lower().split("-")[0] or "en"
 
     def cleanup(self, sim_id: str) -> None:
         self._stable_rounds.pop(sim_id, None)
@@ -284,13 +288,19 @@ class TensionEngine:
 
         names = ", ".join(t.name for t in targets)
         if is_market:
-            event_desc = (
-                f"Consumer patience wore thin: {names} started seriously reconsidering their choices."
-            )
+            if self._locale.startswith("zh"):
+                event_desc = f"消费者的耐心终于被磨穿了:{names}开始认真重新考虑自己的选择。"
+            else:
+                event_desc = (
+                    f"Consumer patience wore thin: {names} started seriously reconsidering their choices."
+                )
         else:
-            event_desc = (
-                f"A quiet restlessness stirred among some citizens: {names} began to question things."
-            )
+            if self._locale.startswith("zh"):
+                event_desc = f"一阵隐隐的不安在部分居民中蔓延:{names}开始对现状产生质疑。"
+            else:
+                event_desc = (
+                    f"A quiet restlessness stirred among some citizens: {names} began to question things."
+                )
         self._snapshot_counterfactual(forecast, sim_id, day, event_desc)
 
         for agent in targets: