feat: add advisory product comparison tool

app/service/agent/implementations/advisor.py

@@ -1,5 +1,6 @@
 """投顾 Agent 的公共底座实现。"""
 
+import re
 from typing import Any
 
 from app.core.contracts import AgentDefinition, AgentRequest, CoreResult, RequestContext
@@ -21,6 +22,7 @@ class AdvisorAgent(FundQueryDemoAgent):
             "analyze_portfolio",
             "generate_asset_allocation",
             "recommend_products",
+            "compare_products",
         ),
         supported_intents=(
             "fund_quote",
@@ -77,7 +79,16 @@ class AdvisorAgent(FundQueryDemoAgent):
             self._classified_intent is not None
             and self._classified_intent.intent == "comparison"
         ):
-            return CoreResult(text="对比分析需要明确两个或多个场内基金产品，请提供基金代码或名称。")
+            codes = tuple(dict.fromkeys(re.findall(r"(?<!\d)(\d{6})(?!\d)", request.message)))
+            if len(codes) < 2:
+                return CoreResult(
+                    text="对比分析需要明确两个或多个场内基金产品，请提供基金代码或名称。"
+                )
+            output = await self.call_tool(
+                "compare_products", {"product_codes": list(codes[:4])},
+                intent="comparison", context=context,
+            )
+            return CoreResult(text=self._describe_comparison(output))
         return await super().handle(request, context)
 
     @staticmethod
@@ -156,3 +167,23 @@ class AdvisorAgent(FundQueryDemoAgent):
             if isinstance(item, dict)
         ]
         return "推荐分析结果：" + "、".join(names) + "。方案须经审核发布，不构成交易指令。"
+
+    @staticmethod
+    def _describe_comparison(result: object) -> str:
+        if not isinstance(result, dict):
+            return "基金对比分析暂不可用，请稍后重试。"
+        if result.get("status") == "evidence_required":
+            return "部分基金缺少当前有效的权威证据，暂不能完成可靠对比。"
+        products = result.get("products")
+        if result.get("status") != "ready" or not isinstance(products, list):
+            return "对比分析需要至少两个有效的场内基金产品。"
+        names = [
+            f"{item.get('product_code')} {item.get('product_name')}"
+            for item in products if isinstance(item, dict)
+        ]
+        common = result.get("common_industries")
+        common_text = "、".join(str(item) for item in common) if isinstance(common, list) else "无"
+        return (
+            "对比分析：" + "；".join(names)
+            + f"。共同行业暴露：{common_text}。仅供分析参考，不构成交易指令。"
+        )