Update prompt_builder.py

prompt_builder.py

@@ -1,5 +1,5 @@
 """
-Flare – Prompt Builder  (v4-fix · detection_prompt + examples)
+Flare – Prompt Builder  (v5 · improved parameter prompt)
 ==============================================================
 """
 
@@ -44,13 +44,9 @@ def build_intent_prompt(general_prompt: str,
 
 
 # ─────────────────────────────────────────────────────────────────────────────
-# PARAMETER PROMPT (değişmedi)
+# PARAMETER PROMPT - Improved version
 # ─────────────────────────────────────────────────────────────────────────────
-_FMT = (
-    "Return ONLY the JSON object in the EXACT format below with no extra text:\n"
-    "{\"extracted\":[{\"name\":\"<param>\",\"value\":\"<val>\"},...],"
-    "\"missing\":[\"<param>\",...]}"
-)
+_FMT = """#PARAMETERS:{"extracted":[{"name":"<param>","value":"<val>"},...],"missing":["<param>",...]}"""
 
 def build_parameter_prompt(intent_cfg,
                            missing_params: List[str],
@@ -58,17 +54,27 @@ def build_parameter_prompt(intent_cfg,
                            conversation: List[Dict[str, str]]) -> str:
     
     parts: List[str] = [
-        "Extract ONLY the parameters listed below from the user's message.",
+        "You are extracting parameters from user messages.",
+        "Extract ONLY the parameters listed below from the conversation.",
+        "Look at BOTH the current message AND previous messages to find parameter values.",
         "If a parameter cannot be found, is invalid, or wasn't provided, keep it in the \"missing\" list.",
-        "Never guess or make up values. Only extract values explicitly given by the user."
+        "Never guess or make up values. Only extract values explicitly given by the user.",
+        ""
     ]
     
+    # Add parameter descriptions
+    parts.append("Parameters to extract:")
     for p in intent_cfg.parameters:
         if p.name in missing_params:
             parts.append(f"• {p.name}: {p.extraction_prompt}")
     
+    # Add format instruction
+    parts.append("")
+    parts.append("IMPORTANT: Your response must start with '#PARAMETERS:' followed by the JSON.")
+    parts.append("Return ONLY this format with no extra text before or after:")
     parts.append(_FMT)
     
+    # Add conversation history
     history_block = "\n".join(
         f"{m['role'].upper()}: {m['content']}" for m in conversation[-10:]
     )
@@ -79,4 +85,5 @@ def build_parameter_prompt(intent_cfg,
         "\n\nUSER: " + user_input.strip()
     )
     
+    log(f"📝 Parameter prompt built for missing: {missing_params}")
     return prompt