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Merge pull request #887: fix(loop): preserve interim content as fallback when retry produces empty response

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Re-bin
2026-02-21 07:17:35 +00:00
parent 900604e9ca 8bb849470b
commit a0820eceee
1 changed files with 8 additions and 1 deletions
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9
nanobot/agent/loop.py
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@@ -203,6 +203,7 @@ class AgentLoop:
final_content = None final_content = None
tools_used: list[str] = [] tools_used: list[str] = []
text_only_retried = False text_only_retried = False
interim_content: str | None = None # Fallback if retry produces nothing
while iteration < self.max_iterations: while iteration < self.max_iterations:
iteration += 1 iteration += 1
@@ -249,12 +250,18 @@ class AgentLoop:
else: else:
final_content = self._strip_think(response.content) final_content = self._strip_think(response.content)
# Some models send an interim text response before tool calls. # Some models send an interim text response before tool calls.
# Give them one retry; don't forward the text to avoid duplicates. # Give them one retry; save the content as fallback in case
# the retry produces nothing useful (e.g. model already answered).
if not tools_used and not text_only_retried and final_content: if not tools_used and not text_only_retried and final_content:
text_only_retried = True text_only_retried = True
interim_content = final_content
logger.debug("Interim text response (no tools used yet), retrying: {}", final_content[:80]) logger.debug("Interim text response (no tools used yet), retrying: {}", final_content[:80])
final_content = None final_content = None
continue continue
# Fall back to interim content if retry produced nothing
# and no tools were used (if tools ran, interim was truly interim)
if not final_content and interim_content and not tools_used:
final_content = interim_content
break break
return final_content, tools_used return final_content, tools_used