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fix(core): ensure tool_choice maps to structured object for AWS Bedrock compliance #668

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fix(core): ensure tool_choice maps to structured object for AWS Bedrock compliance #668

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fix(core): ensure tool_choice maps to structured object for AWS Bedro…
toshalkumbhar8979-design Jul 4, 2026
4634ae6
Update strix/core/execution.py
toshalkumbhar8979-design Jul 4, 2026
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9 changes: 9 additions & 0 deletions strix/core/execution.py
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Original file line number Diff line number Diff line change
Expand Up @@ -349,6 +349,15 @@ async def _run_cycle( # noqa: PLR0912, PLR0915
while True:
try:
await coordinator.mark_running(agent_id)

# --- PRODUCTION FIX FOR AWS BEDROCK TOOL_CHOICE COMPLIANCE ---
if hasattr(run_config, "extra_body") and isinstance(run_config.extra_body, dict):
if "tool_choice" in run_config.extra_body:
run_config.extra_body["tool_choice"] = {"type": "auto"}
if hasattr(run_config, "tool_choice") and (run_config.tool_choice == "auto" or isinstance(run_config.tool_choice, str)):
run_config.tool_choice = {"type": "auto"}
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# -------------------------------------------------------------

stream = Runner.run_streamed(
agent,
input=input_data,
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