feat: 准备loop

app/config.py

@@ -40,5 +40,14 @@ class Settings:
         default_factory=lambda: int(os.getenv("TYPESAFE_MAX_RETRIES", "2"))
     )
 
+    # 意图门控使用 Jev confidence，阈值需按真实语料校准
+    intent_min_confidence: float = field(
+        default_factory=lambda: float(os.getenv("INTENT_MIN_CONFIDENCE", "0.7"))
+    )
+
+    def __post_init__(self):
+        if not 0 <= self.intent_min_confidence <= 1:
+            raise ValueError("INTENT_MIN_CONFIDENCE 必须在 0 到 1 之间")
+
 
 settings = Settings()