v1: executing-plans 模式生成，54 文件 1320 行 Python

agents/agent3_diagnostic.py

@@ -0,0 +1,23 @@
+from agents.llm import LLMClient
+from data.diff_result import FieldResult
+
+PROMPT_AGENT3 = """You are a COBOL-Java migration diff analyzer. Given a field mismatch, explain WHY the values differ and suggest a fix.
+Output: {"issue_type": "...", "confidence": 0.0-1.0, "reason": "...", "suggestion": "..."}
+You NEVER decide PASS/FAIL. Your role is diagnostic only. Return valid JSON only."""
+
+
+class Agent3Diagnostic:
+    def __init__(self, llm: LLMClient):
+        self.llm = llm
+
+    def analyze(self, fr: FieldResult) -> str:
+        prompt = f"""Field: {fr.field_name}
+COBOL value: {fr.cobol_value}
+Java value: {fr.java_value}
+Status: {fr.status}"""
+        messages = [
+            {"role": "system", "content": PROMPT_AGENT3},
+            {"role": "user", "content": prompt}
+        ]
+        raw = self.llm.call(messages)
+        return raw