Templates (#12294)

Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
Co-authored-by: Lance Martin <lance@langchain.dev>
Co-authored-by: Jacob Lee <jacoblee93@gmail.com>

templates/anthropic-iterative-search/anthropic_iterative_search/agent_scratchpad.py

@@ -0,0 +1,15 @@
+def _format_docs(docs):
+    result = "\n".join(
+        [
+            f'<item index="{i+1}">\n<page_content>\n{r}\n</page_content>\n</item>'
+            for i, r in enumerate(docs)
+        ]
+    )
+    return result
+
+def format_agent_scratchpad(intermediate_steps):
+    thoughts = ""
+    for action, observation in intermediate_steps:
+        thoughts += action.log
+        thoughts += '</search_query>' + _format_docs(observation)
+    return thoughts