修复: DeepSeek reasoning_content 全链路透传(跨6 crate补字段+映射+agentic loop累积回传)

crates/df-ai/src/openai_compat.rs

@@ -44,6 +44,9 @@ struct OpenAiRequest {
     /// 流式时请求末 chunk 携带 usage（OpenAI 官方 + DeepSeek/GLM 兼容）
     #[serde(skip_serializing_if = "Option::is_none")]
     stream_options: Option<serde_json::Value>,
+    /// DeepSeek thinking 模式
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub reasoning_content: Option<String>,
 }
 
 /// OpenAI 消息格式
@@ -58,6 +61,9 @@ struct OpenAiMessage {
     tool_call_id: Option<String>,
     #[serde(skip_serializing_if = "Option::is_none")]
     tool_calls: Option<Vec<serde_json::Value>>,
+    /// DeepSeek thinking 模式推理内容
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub reasoning_content: Option<String>,
 }
 
 /// OpenAI 同步响应
@@ -78,6 +84,9 @@ struct OpenAiChoice {
 struct OpenAiMessageResp {
     content: Option<String>,
     tool_calls: Option<Vec<OpenAiToolCallResp>>,
+    /// DeepSeek thinking 模式响应中的推理内容
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub reasoning_content: Option<String>,
 }
 
 #[derive(Debug, Deserialize)]
@@ -120,6 +129,9 @@ struct OpenAiStreamChoice {
 struct OpenAiStreamDelta {
     content: Option<String>,
     tool_calls: Option<Vec<OpenAiStreamToolCall>>,
+    /// DeepSeek thinking 模式流式推理内容
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub reasoning_content: Option<String>,
 }
 
 #[derive(Debug, Deserialize)]
@@ -158,6 +170,7 @@ pub(crate) fn apply_openai_sse(data: &str, usage_accum: &mut Option<TokenUsage>)
             tool_calls: None,
             usage: usage_accum.take(),
             error: None,
+            reasoning_content: None,
         };
     }
 
@@ -195,6 +208,7 @@ pub(crate) fn apply_openai_sse(data: &str, usage_accum: &mut Option<TokenUsage>)
                     tool_calls,
                     usage: None,
                     error: None,
+                    reasoning_content: choice.delta.reasoning_content,
                 }
             } else {
                 // choices 为空 = usage-only chunk，不输出文本（usage 已累积）
@@ -204,6 +218,7 @@ pub(crate) fn apply_openai_sse(data: &str, usage_accum: &mut Option<TokenUsage>)
                     tool_calls: None,
                     usage: None,
                     error: None,
+                    reasoning_content: None,
                 }
             }
         }
@@ -215,6 +230,7 @@ pub(crate) fn apply_openai_sse(data: &str, usage_accum: &mut Option<TokenUsage>)
                 tool_calls: None,
                 usage: None,
                 error: None,
+                reasoning_content: None,
             }
         }
     }
@@ -371,6 +387,7 @@ impl OpenAICompatProvider {
                     content,
                     tool_call_id: m.tool_call_id,
                     tool_calls,
+                    reasoning_content: m.reasoning_content,
                 }
             })
             .collect();
@@ -389,6 +406,7 @@ impl OpenAICompatProvider {
             stream: req.stream,
             tools,
             tool_choice: req.tool_choice,
+            reasoning_content: req.reasoning_content,
             // 流式请求末 chunk 带 usage（同步调用 complete 不需要）
             stream_options: if req.stream {
                 Some(serde_json::json!({ "include_usage": true }))
@@ -509,6 +527,7 @@ impl LlmProvider for OpenAICompatProvider {
                     model: body.model,
                     usage,
                     tool_calls,
+                    reasoning_content: choice.message.reasoning_content,
                 })
             }
         })
@@ -755,6 +774,7 @@ mod tests {
             stream: false,
             tools: None,
             tool_choice: None,
+            reasoning_content: None,
         };
         let out = provider.convert_request(req);
         let msg = &out.messages[0];
@@ -783,6 +803,7 @@ mod tests {
             stream: false,
             tools: None,
             tool_choice: None,
+            reasoning_content: None,
         };
         let out = provider.convert_request(req);
         let msg = &out.messages[0];