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fix(middleware): degrade tool-call exceptions to error tool messages (#1110)

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* fix(middleware): degrade tool-call exceptions to error tool messages

* update script

* fix(middleware): preserve LangGraph control-flow exceptions in tool error handling
This commit is contained in:
Liu Jice
2026-03-13 09:41:59 +08:00
committed by GitHub
parent 08ea9d3038
commit 3521cc2668
5 changed files with 435 additions and 13 deletions
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11
backend/src/subagents/executor.py
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@@ -166,15 +166,10 @@ class SubagentExecutor:
model_name = _get_model_name(self.config, self.parent_model)
model = create_chat_model(name=model_name, thinking_enabled=False)
# Subagents need minimal middlewares to ensure tools can access sandbox and thread_data
# These middlewares will reuse the sandbox/thread_data from parent agent
from src.agents.middlewares.thread_data_middleware import ThreadDataMiddleware
from src.sandbox.middleware import SandboxMiddleware
from src.agents.middlewares.tool_error_handling_middleware import build_subagent_runtime_middlewares
middlewares = [
ThreadDataMiddleware(lazy_init=True), # Compute thread paths
SandboxMiddleware(lazy_init=True), # Reuse parent's sandbox (no re-acquisition)
]
# Reuse shared middleware composition with lead agent.
middlewares = build_subagent_runtime_middlewares(lazy_init=True)
return create_agent(
model=model,