feat：架构重构

app/processor/intent_policy.py

@@ -1,53 +1,12 @@
-"""意图门控的单一来源：根据分类结果、风险和澄清次数决定最终意图"""
+"""意图门控：只回答"是不是明确的问答"，其余都交给 screen agent，由它决定执行、追问还是说明做不了"""
 
-from app.schemas.decision import ChoiceResult
-from app.schemas.requirement import Intent
-
-# 会修改大屏的意图，判错的代价高，使用较严格的阈值；问答判错代价低，使用宽松阈值
-ACTION_INTENTS = ("create_screen", "modify_screen")
+from app.schemas.decision import ChoiceResult, Route
 
 
-def resolve_offer_response(
-    decision: ChoiceResult,
-    *,
-    accept_min_probability: float,
-    decline_min_probability: float,
-) -> Intent | None:
-    """用户回应上一轮提议时直接确定意图：同意即执行提议，拒绝即简短回复；其余交给常规意图判断"""
-    choice = decision.choice
-    probability = decision.probabilities.get(choice, decision.confidence)
-    if choice == "accept" and probability >= accept_min_probability:
-        return "modify_screen"
-    if choice == "decline" and probability >= decline_min_probability:
-        return "qa"
-    return None
-
-
-def resolve_intent(
-    decision: ChoiceResult,
-    *,
-    action_min_probability: float,
-    qa_min_probability: float,
-    clarified_rounds: int,
-    max_clarify_rounds: int,
-    option_selected: bool,
-) -> Intent:
-    """按选中项自身的概率门控，confidence 只表示分布集中度，不作为判据
-
-    - 用户刚点选澄清选项时，选择本身已表达意图，直接沿用模型判断
-    - 模型判定 unclear 时始终澄清；仅因概率不足而存疑时，澄清次数用尽后退回问答
-    """
-    choice = decision.choice
+def resolve_intent(decision: ChoiceResult, *, qa_min_probability: float) -> Route:
+    """按选中项自身的概率门控，confidence 只表示分布集中度，不作为判据"""
     # 缺少该选项的概率时退回 confidence，避免因协议缺字段而误判
-    probability = decision.probabilities.get(choice, decision.confidence)
-    minimum = action_min_probability if choice in ACTION_INTENTS else qa_min_probability
-
-    # 模型明确判定语义不明时始终澄清，直到用户说清或取消
-    if choice == "unclear":
-        return "unclear"
-    if option_selected or probability >= minimum:
-        return choice  # type: ignore[return-value]
-    # 只是把握不足时，澄清次数用尽后安全地退回问答，而不是继续追问
-    if clarified_rounds >= max_clarify_rounds:
+    probability = decision.probabilities.get(decision.choice, decision.confidence)
+    if decision.choice == "qa" and probability >= qa_min_probability:
         return "qa"
-    return "unclear"
+    return "screen"