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fix: quarantine invalid tool results

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This commit is contained in:
hamb1y
2026-07-22 01:59:09 +08:00
committed by Xubin Ren
parent c6a4d46a2a
commit a9867a5a4e
4 changed files with 113 additions and 5 deletions
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nanobot/agent/loop.py
+14 -3
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@@ -1753,6 +1753,11 @@ class AgentLoop:
for tc in m.get("tool_calls") or []
if isinstance(tc, dict) and tc.get("id")
}
fulfilled_tool_call_ids = {
str(m["tool_call_id"])
for m in session.messages
if m.get("role") == "tool" and m.get("tool_call_id")
}
last_assistant_idx: int | None = None
for m in messages[skip:]:
entry = dict(m)
@@ -1767,14 +1772,20 @@ class AgentLoop:
continue # skip empty assistant messages — they poison session context
if role == "tool":
tool_call_id = entry.get("tool_call_id")
if not tool_call_id or str(tool_call_id) not in declared_tool_call_ids:
tool_call_id_str = str(tool_call_id) if tool_call_id else ""
if (
not tool_call_id_str
or tool_call_id_str not in declared_tool_call_ids
or tool_call_id_str in fulfilled_tool_call_ids
):
# Undeclared tool results corrupt future provider requests.
logger.warning(
"Dropping orphaned tool result {} from session {} during persistence",
tool_call_id or "(missing id)",
"Dropping invalid tool result {} from session {} during persistence",
tool_call_id_str or "(missing id)",
session.key,
)
continue
fulfilled_tool_call_ids.add(tool_call_id_str)
if isinstance(content, str) and len(content) > self.max_tool_result_chars:
entry["content"] = truncate_text_fn(content, self.max_tool_result_chars)
elif isinstance(content, list):