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Willem Jiang a087fe7bcc
fix(LLM): fixing Gemini thinking + tool calls via OpenAI gateway (#1180) (#1205) 
* fix(LLM): fixing Gemini thinking + tool calls via OpenAI gateway (#1180)

When using Gemini with thinking enabled through an OpenAI-compatible gateway,
the API requires that  fields on thinking content blocks are
preserved and echoed back verbatim in subsequent requests. Standard
 silently drops these signatures when serializing
messages, causing HTTP 400 errors:

Changes:
- Add PatchedChatOpenAI adapter that re-injects signed thinking blocks into
  request payloads, preserving the signature chain across multi-turn
  conversations with tool calls.
- Support two LangChain storage patterns: additional_kwargs.thinking_blocks
  and content list.
- Add 11 unit tests covering signed/unsigned blocks, storage patterns, edge
  cases, and precedence rules.
- Update config.example.yaml with Gemini + thinking gateway example.
- Update CONFIGURATION.md with detailed guidance and error explanation.

Fixes: #1180

* Updated the patched_openai.py with thought_signature of function call

* Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* docs: fix inaccurate thought_signature description in CONFIGURATION.md (#1220)

* Initial plan

* docs: fix CONFIGURATION.md wording for thought_signature - tool-call objects, not thinking blocks

Co-authored-by: WillemJiang <219644+WillemJiang@users.noreply.github.com>
Agent-Logs-Url: https://github.com/bytedance/deer-flow/sessions/360f5226-4631-48a7-a050-189094af8ffe

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: WillemJiang <219644+WillemJiang@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>
 		2026-03-26 15:07:05 +08:00
..
conftest.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_acp_config.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_aio_sandbox_provider.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_app_config_reload.py fix(config): reload AppConfig when config path or mtime changes (#1239) 2026-03-22 20:34:01 +08:00
test_artifacts_router.py fix: issue 1138 windows encoding (#1139) 2026-03-16 16:53:12 +08:00
test_channel_file_attachments.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_channels.py fix(telegram): fix reply ordering race condition (#1231) 2026-03-22 19:38:27 +08:00
test_checkpointer.py fix: normalize structured LLM content in serialization and memory updater (#1215) 2026-03-22 17:29:29 +08:00
test_checkpointer_none_fix.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_cli_auth_providers.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_client.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_client_e2e.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_client_live.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_config_version.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_credential_loader.py feat: add Claude Code OAuth and Codex CLI as LLM providers (#1166) 2026-03-22 22:39:50 +08:00
test_custom_agent.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_dangling_tool_call_middleware.py test: add unit tests for DanglingToolCallMiddleware (#1305) 2026-03-26 00:20:08 +08:00
test_docker_sandbox_mode_detection.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_feishu_parser.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_guardrail_middleware.py feat(guardrails): add pre-tool-call authorization middleware with pluggable providers (#1240) 2026-03-23 18:07:33 +08:00
test_harness_boundary.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_infoquest_client.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_invoke_acp_agent_tool.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_lead_agent_model_resolution.py fix(config): fix summarization model alias resolution (#1378) 2026-03-26 14:48:45 +08:00
test_local_sandbox_encoding.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_loop_detection_middleware.py fix(middleware): use HumanMessage in LoopDetectionMiddleware for Anthropic compat (#1300) 2026-03-25 08:00:01 +08:00
test_mcp_client_config.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_mcp_oauth.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_mcp_sync_wrapper.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_memory_prompt_injection.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_memory_updater.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_memory_upload_filtering.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_model_config.py feat(codex): support explicit OpenAI Responses API config (#1235) 2026-03-22 20:39:26 +08:00
test_model_factory.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_patched_minimax.py fix: improve MiniMax code plan integration (#1169) 2026-03-20 17:18:59 +08:00
test_patched_openai.py fix(LLM): fixing Gemini thinking + tool calls via OpenAI gateway (#1180) (#1205) 2026-03-26 15:07:05 +08:00
test_present_file_tool_core_logic.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_provisioner_kubeconfig.py feat(subagents): make subagent timeout configurable via config.yaml (#897) 2026-02-25 08:39:29 +08:00
test_readability.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_reflection_resolvers.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_sandbox_tools_security.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_serialize_message_content.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_skills_archive_root.py refactor: extract shared skill installer and upload manager to harness (#1202) 2026-03-25 16:28:33 +08:00
test_skills_installer.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_skills_loader.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_skills_parser.py test: add unit tests for skills parser (#1308) 2026-03-25 10:17:40 +08:00
test_skills_router.py fix: issue 1138 windows encoding (#1139) 2026-03-16 16:53:12 +08:00
test_subagent_executor.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_subagent_limit_middleware.py test: add unit tests for SubagentLimitMiddleware (#1306) 2026-03-25 10:20:16 +08:00
test_subagent_timeout_config.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_suggestions_router.py fix(gateway): accept output_text suggestion blocks (#1238) 2026-03-22 19:59:54 +08:00
test_task_tool_core_logic.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_thread_data_middleware.py fix(middleware): fallback to configurable thread_id in thread data middleware (#1237) 2026-03-22 20:14:51 +08:00
test_threads_router.py fix(threads): clean up local thread data after thread deletion (#1262) 2026-03-24 00:36:08 +08:00
test_title_generation.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_title_middleware_core_logic.py fix: add sync after_model to TitleMiddleware (#1190) 2026-03-19 15:46:31 +08:00
test_todo_middleware.py test: add unit tests for TodoMiddleware (#1307) 2026-03-26 00:20:50 +08:00
test_token_usage.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_tool_error_handling_middleware.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_tool_search.py feat(harness): integration ACP agent tool (#1344) 2026-03-26 14:20:18 +08:00
test_tracing_config.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_uploads_manager.py refactor: extract shared skill installer and upload manager to harness (#1202) 2026-03-25 16:28:33 +08:00
test_uploads_middleware_core_logic.py refactor: split backend into harness (deerflow.*) and app (app.*) (#1131) 2026-03-14 22:55:52 +08:00
test_uploads_router.py refactor: extract shared skill installer and upload manager to harness (#1202) 2026-03-25 16:28:33 +08:00