fix(core): template generator chat prompt

flowsint-core/src/flowsint_core/core/services/chat_service.py

@@ -26,20 +26,6 @@ DEFAULT_SYSTEM_PROMPT = (
 )
 
 
-def clean_context(context: List[Dict]) -> List[Dict]:
-    """Remove unnecessary keys from context data."""
-    cleaned = []
-    for item in context:
-        if isinstance(item, dict):
-            cleaned_item = item.get("data", item).copy()
-            cleaned_item.pop("id", None)
-            cleaned_item.pop("sketch_id", None)
-            if "data" in cleaned_item and isinstance(cleaned_item["data"], dict):
-                cleaned_item["data"].pop("sketch_id", None)
-            cleaned_item.pop("measured", None)
-            cleaned.append(cleaned_item)
-    return cleaned
-
 
 class ChatService(BaseService):
     """
@@ -153,15 +139,10 @@ class ChatService(BaseService):
     ) -> Dict[str, Any]:
         context_message = None
         if context:
-            try:
-                cleaned_context = clean_context(context)
-                if cleaned_context:
-                    context_str = ";".join(context)
+            context_str = "; ".join(context)
             context_message = f"Context: {context_str}"
             if len(context_message) > 2000:
                 context_message = context_message[:2000] + "..."
-            except Exception as e:
-                print(f"Context processing error: {e}")
 
         sorted_messages = sorted(chat.messages, key=lambda x: x.created_at)
         recent_messages = (

flowsint-core/src/flowsint_core/core/services/template_generator_service.py

@@ -127,6 +127,7 @@ response:
 - Use realistic field mappings based on common API response structures.
 - If the API likely requires authentication, include a `secrets` section.
 - Keep the template simple and focused on what the user asked for.
+- IMPORTANT: Always quote values that contain {{...}} placeholders, e.g. `x-apikey: "{{secrets.API_KEY}}"`. Unquoted curly braces are invalid YAML.
 """
 
 
@@ -139,6 +140,16 @@ def _extract_yaml(text: str) -> str:
     return text.strip()
 
 
+def _quote_template_placeholders(yaml_str: str) -> str:
+    """Quote unquoted {{...}} placeholders that would break YAML parsing."""
+    return re.sub(
+        r"(:\s+)(\{\{[^}]+\}\})\s*$",
+        r'\1"\2"',
+        yaml_str,
+        flags=re.MULTILINE,
+    )
+
+
 class TemplateGeneratorService(BaseService):
     """Generates enricher template YAML from a free-text prompt using an LLM."""
 
@@ -175,6 +186,7 @@ class TemplateGeneratorService(BaseService):
 
         response = await provider.complete(messages)
         yaml_str = _extract_yaml(response)
+        yaml_str = _quote_template_placeholders(yaml_str)
 
         # Validate the YAML
         try: