Umesh Yadav 8ee5bf2c38 open_router: Fix tool_choice getting serialized to null (#34532) ... Closes #34314 This PR resolves an issue where serde(untagged) caused Rust None values to serialize as null, which OpenRouter's Mistral API (when tool_choice is present) incorrectly interprets as a defined value, leading to a 400 error. By replacing serde(untagged) with serde(snake_case), None values are now correctly omitted from the serialized JSON, fixing the problem. P.S. A separate PR will address serde(untagged) usage for other providers, as null is not expected for them either. Release Notes: - Fix ToolChoice getting serialized to null on OpenRouter		2025-07-16 11:44:08 -04:00
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src	open_router: Fix tool_choice getting serialized to null (#34532)	2025-07-16 11:44:08 -04:00
Cargo.toml
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