增加deepseek的支持。

src/agent/agent_loop.rs

@@ -383,6 +383,7 @@ impl AgentLoop {
         Message {
             role: m.role.clone(),
             content,
+            reasoning_content: m.reasoning_content.clone(),
             tool_call_id: m.tool_call_id.clone(),
             name: m.tool_name.clone(),
             tool_calls: m.tool_calls.clone(),
@@ -475,7 +476,8 @@ impl AgentLoop {
 
             // If no tool calls, this is the final response
             if response.tool_calls.is_empty() {
-                let assistant_message = ChatMessage::assistant(response.content);
+                let mut assistant_message = ChatMessage::assistant(response.content);
+                assistant_message.reasoning_content = response.reasoning_content;
                 emitted_messages.push(assistant_message.clone());
                 return Ok(AgentProcessResult {
                     final_response: assistant_message,
@@ -499,10 +501,11 @@ impl AgentLoop {
             }
 
             // Add assistant message with tool calls
-            let assistant_message = ChatMessage::assistant_with_tool_calls(
+            let mut assistant_message = ChatMessage::assistant_with_tool_calls(
                 response.content.clone(),
                 response.tool_calls.clone(),
             );
+            assistant_message.reasoning_content = response.reasoning_content;
             messages.push(assistant_message.clone());
             emitted_messages.push(assistant_message);
 
@@ -581,7 +584,8 @@ impl AgentLoop {
 
         match (*self.provider).chat(request).await {
             Ok(response) => {
-                let assistant_message = ChatMessage::assistant(response.content);
+                let mut assistant_message = ChatMessage::assistant(response.content);
+                assistant_message.reasoning_content = response.reasoning_content;
                 emitted_messages.push(assistant_message.clone());
                 Ok(AgentProcessResult {
                     final_response: assistant_message,
@@ -801,6 +805,7 @@ mod tests {
         let provider_message = Message {
             role: chat_message.role.clone(),
             content,
+            reasoning_content: None,
             tool_call_id: chat_message.tool_call_id.clone(),
             name: chat_message.tool_name.clone(),
             tool_calls: chat_message.tool_calls.clone(),

src/agent/context_compressor.rs

@@ -536,6 +536,7 @@ mod tests {
                 id: "mock".into(),
                 model: "mock".into(),
                 content: "[summarized]".into(),
+                reasoning_content: None,
                 tool_calls: vec![],
                 usage: Usage { prompt_tokens: 0, completion_tokens: 0, total_tokens: 0 },
             })

src/bus/message.rs

@@ -82,6 +82,7 @@ pub struct ChatMessage {
     pub id: String,
     pub role: String,
     pub content: String,
+    pub reasoning_content: Option<String>,
     pub media_refs: Vec<MediaRef>,
     pub timestamp: i64,
     #[serde(skip_serializing_if = "Option::is_none")]
@@ -120,6 +121,7 @@ impl ChatMessage {
             id: uuid::Uuid::new_v4().to_string(),
             role: "user".to_string(),
             content: content.into(),
+            reasoning_content: None,
             media_refs: Vec::new(),
             timestamp: current_timestamp(),
             tool_call_id: None,
@@ -134,6 +136,7 @@ impl ChatMessage {
             id: uuid::Uuid::new_v4().to_string(),
             role: "user".to_string(),
             content: content.into(),
+            reasoning_content: None,
             media_refs,
             timestamp: current_timestamp(),
             tool_call_id: None,
@@ -148,6 +151,7 @@ impl ChatMessage {
             id: uuid::Uuid::new_v4().to_string(),
             role: "assistant".to_string(),
             content: content.into(),
+            reasoning_content: None,
             media_refs: Vec::new(),
             timestamp: current_timestamp(),
             tool_call_id: None,
@@ -162,6 +166,7 @@ impl ChatMessage {
             id: uuid::Uuid::new_v4().to_string(),
             role: "assistant".to_string(),
             content: content.into(),
+            reasoning_content: None,
             media_refs: Vec::new(),
             timestamp: current_timestamp(),
             tool_call_id: None,
@@ -176,6 +181,7 @@ impl ChatMessage {
             id: uuid::Uuid::new_v4().to_string(),
             role: "assistant".to_string(),
             content: content.into(),
+            reasoning_content: None,
             media_refs: Vec::new(),
             timestamp: current_timestamp(),
             tool_call_id: None,
@@ -190,6 +196,7 @@ impl ChatMessage {
             id: uuid::Uuid::new_v4().to_string(),
             role: "system".to_string(),
             content: content.into(),
+            reasoning_content: None,
             media_refs: Vec::new(),
             timestamp: current_timestamp(),
             tool_call_id: None,
@@ -204,6 +211,7 @@ impl ChatMessage {
             id: uuid::Uuid::new_v4().to_string(),
             role: "tool".to_string(),
             content: content.into(),
+            reasoning_content: None,
             media_refs: Vec::new(),
             timestamp: current_timestamp(),
             tool_call_id: Some(tool_call_id.into()),
@@ -218,6 +226,7 @@ impl ChatMessage {
             id: uuid::Uuid::new_v4().to_string(),
             role: "user".to_string(),
             content: content.into(),
+            reasoning_content: None,
             media_refs: Vec::new(),
             timestamp: current_timestamp(),
             tool_call_id: None,

src/providers/anthropic.rs

@@ -309,6 +309,7 @@ impl LLMProvider for AnthropicProvider {
             })?;
 
         let mut content = String::new();
+        let mut reasoning = None;
         let mut tool_calls = Vec::new();
 
         for c in &anthropic_resp.content {
@@ -321,7 +322,9 @@ impl LLMProvider for AnthropicProvider {
                         content.push_str(text);
                     }
                 }
-                AnthropicContent::Thinking { .. } => {}
+                AnthropicContent::Thinking { thinking } => {
+                    reasoning = Some(thinking.clone());
+                }
                 AnthropicContent::Unknown => {}
                 AnthropicContent::ToolUse { id, name, input } => {
                     tool_calls.push(ToolCall {
@@ -337,6 +340,7 @@ impl LLMProvider for AnthropicProvider {
             id: anthropic_resp.id.unwrap_or_default(),
             model: anthropic_resp.model.unwrap_or_default(),
             content,
+            reasoning_content: reasoning,
             tool_calls,
             usage: Usage {
                 prompt_tokens: anthropic_resp.usage.as_ref().map(|u| u.input_tokens).unwrap_or(0),

src/providers/openai.rs

@@ -83,7 +83,7 @@ impl OpenAIProvider {
                         "name": m.name,
                     })
                 } else if m.role == "assistant" && m.tool_calls.as_ref().is_some_and(|c| !c.is_empty()) {
-                    json!({
+                    let mut msg = json!({
                         "role": m.role,
                         "content": convert_content_blocks(&m.content),
                         "tool_calls": m.tool_calls.as_ref().map(|calls| {
@@ -96,12 +96,22 @@ impl OpenAIProvider {
                                 }
                             })).collect::<Vec<_>>()
                         })
-                    })
+                    });
+                    if let Some(ref rc) = m.reasoning_content {
+                        msg["reasoning_content"] = json!(rc);
+                    }
+                    msg
                 } else {
-                    json!({
+                    let mut msg = json!({
                         "role": m.role,
                         "content": convert_content_blocks(&m.content)
-                    })
+                    });
+                    if m.role == "assistant" {
+                        if let Some(ref rc) = m.reasoning_content {
+                            msg["reasoning_content"] = json!(rc);
+                        }
+                    }
+                    msg
                 }
             }).collect::<Vec<_>>(),
             "temperature": request.temperature.or(self.temperature).unwrap_or(0.7),
@@ -139,6 +149,8 @@ struct OpenAIMessage {
     #[serde(default)]
     content: Option<String>,
     #[serde(default)]
+    reasoning_content: Option<String>,
+    #[serde(default)]
     tool_calls: Vec<OpenAIToolCall>,
 }
 
@@ -296,6 +308,7 @@ impl LLMProvider for OpenAIProvider {
             id: openai_resp.id,
             model: openai_resp.model,
             content,
+            reasoning_content: first_choice.message.reasoning_content,
             tool_calls,
             usage: Usage {
                 prompt_tokens: openai_resp.usage.prompt_tokens,
@@ -351,6 +364,7 @@ mod tests {
             messages: vec![Message {
                 role: "assistant".to_string(),
                 content: vec![ContentBlock::text("calling tool")],
+                reasoning_content: None,
                 tool_call_id: None,
                 name: None,
                 tool_calls: Some(vec![ToolCall {

src/providers/traits.rs

@@ -7,6 +7,8 @@ pub struct Message {
     pub role: String,
     pub content: Vec<ContentBlock>,
     #[serde(skip_serializing_if = "Option::is_none")]
+    pub reasoning_content: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     pub tool_call_id: Option<String>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub name: Option<String>,
@@ -19,6 +21,7 @@ impl Message {
         Self {
             role: "user".to_string(),
             content: vec![ContentBlock::text(content)],
+            reasoning_content: None,
             tool_call_id: None,
             name: None,
             tool_calls: None,
@@ -29,6 +32,7 @@ impl Message {
         Self {
             role: "user".to_string(),
             content,
+            reasoning_content: None,
             tool_call_id: None,
             name: None,
             tool_calls: None,
@@ -39,6 +43,7 @@ impl Message {
         Self {
             role: "assistant".to_string(),
             content: vec![ContentBlock::text(content)],
+            reasoning_content: None,
             tool_call_id: None,
             name: None,
             tool_calls: None,
@@ -49,6 +54,7 @@ impl Message {
         Self {
             role: "system".to_string(),
             content: vec![ContentBlock::text(content)],
+            reasoning_content: None,
             tool_call_id: None,
             name: None,
             tool_calls: None,
@@ -59,6 +65,7 @@ impl Message {
         Self {
             role: "tool".to_string(),
             content: vec![ContentBlock::text(content)],
+            reasoning_content: None,
             tool_call_id: Some(tool_call_id.into()),
             name: Some(tool_name.into()),
             tool_calls: None,
@@ -100,6 +107,7 @@ pub struct ChatCompletionResponse {
     pub id: String,
     pub model: String,
     pub content: String,
+    pub reasoning_content: Option<String>,
     pub tool_calls: Vec<ToolCall>,
     pub usage: Usage,
 }

src/session/session.rs

@@ -208,6 +208,7 @@ impl Session {
                     id: m.id,
                     role: m.role,
                     content: m.content,
+                    reasoning_content: m.reasoning_content,
                     media_refs: m.media_refs.map(|refs| serde_json::from_str(&refs).unwrap_or_default()).unwrap_or_default(),
                     timestamp: m.created_at,
                     tool_call_id: m.tool_call_id,
@@ -231,6 +232,7 @@ impl Session {
                     id: m.id,
                     role: m.role,
                     content: m.content,
+                    reasoning_content: m.reasoning_content,
                     media_refs: m.media_refs.map(|refs| serde_json::from_str(&refs).unwrap_or_default()).unwrap_or_default(),
                     timestamp: m.created_at,
                     tool_call_id: m.tool_call_id,
@@ -301,6 +303,7 @@ impl Session {
                     seq,
                     role: message.role.clone(),
                     content: message.content.clone(),
+                    reasoning_content: message.reasoning_content.clone(),
                     media_refs: if message.media_refs.is_empty() {
                         None
                     } else {

src/storage/message.rs

@@ -7,6 +7,7 @@ pub struct MessageMeta {
     pub seq: i64,
     pub role: String,
     pub content: String,
+    pub reasoning_content: Option<String>,
     pub media_refs: Option<String>,
     pub tool_call_id: Option<String>,
     pub tool_name: Option<String>,

src/storage/mod.rs

@@ -97,6 +97,14 @@ impl Storage {
         .await
         .ok();
 
+        // Migration: add reasoning_content column if upgrading from older schema
+        sqlx::query(
+            r#"ALTER TABLE messages ADD COLUMN reasoning_content TEXT"#,
+        )
+        .execute(&self.pool)
+        .await
+        .ok();
+
         sqlx::query(
             r#"
             CREATE TABLE IF NOT EXISTS memories (
@@ -498,8 +506,8 @@ impl Storage {
     pub async fn append_message(&self, session_id: &str, msg: &crate::storage::message::MessageMeta) -> Result<i64, StorageError> {
         sqlx::query(
             r#"
-            INSERT INTO messages (id, session_id, seq, role, content, media_refs, tool_call_id, tool_name, tool_calls, source, created_at)
+            INSERT INTO messages (id, session_id, seq, role, content, reasoning_content, media_refs, tool_call_id, tool_name, tool_calls, source, created_at)
-            VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+            VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
             "#,
         )
         .bind(&msg.id)
@@ -507,6 +515,7 @@ impl Storage {
         .bind(msg.seq)
         .bind(&msg.role)
         .bind(&msg.content)
+        .bind(&msg.reasoning_content)
         .bind(&msg.media_refs)
         .bind(&msg.tool_call_id)
         .bind(&msg.tool_name)
@@ -539,7 +548,7 @@ impl Storage {
     ) -> Result<Vec<crate::storage::message::MessageMeta>, StorageError> {
         let rows = sqlx::query(
             r#"
-            SELECT id, session_id, seq, role, content, media_refs, tool_call_id, tool_name, tool_calls, source, created_at
+            SELECT id, session_id, seq, role, content, reasoning_content, media_refs, tool_call_id, tool_name, tool_calls, source, created_at
             FROM messages
             WHERE session_id = ? AND seq >= ?
             ORDER BY seq ASC
@@ -558,6 +567,7 @@ impl Storage {
                 seq: row.get("seq"),
                 role: row.get("role"),
                 content: row.get("content"),
+                reasoning_content: row.get("reasoning_content"),
                 media_refs: row.get("media_refs"),
                 tool_call_id: row.get("tool_call_id"),
                 tool_name: row.get("tool_name"),
@@ -585,7 +595,7 @@ impl Storage {
     ) -> Result<Vec<crate::storage::message::MessageMeta>, StorageError> {
         let rows = sqlx::query(
             r#"
-            SELECT id, session_id, seq, role, content, media_refs, tool_call_id, tool_name, tool_calls, source, created_at
+            SELECT id, session_id, seq, role, content, reasoning_content, media_refs, tool_call_id, tool_name, tool_calls, source, created_at
             FROM messages
             WHERE session_id = ? AND created_at > ?
             ORDER BY seq ASC
@@ -604,6 +614,7 @@ impl Storage {
                 seq: row.get("seq"),
                 role: row.get("role"),
                 content: row.get("content"),
+                reasoning_content: row.get("reasoning_content"),
                 media_refs: row.get("media_refs"),
                 tool_call_id: row.get("tool_call_id"),
                 tool_name: row.get("tool_name"),
@@ -668,7 +679,7 @@ impl Storage {
     ) -> Result<Vec<crate::storage::message::MessageMeta>, StorageError> {
         let rows = sqlx::query(
             r#"
-            SELECT id, session_id, seq, role, content, media_refs, tool_call_id, tool_name, tool_calls, source, created_at
+            SELECT id, session_id, seq, role, content, reasoning_content, media_refs, tool_call_id, tool_name, tool_calls, source, created_at
             FROM messages
             WHERE session_id = ?
             ORDER BY seq DESC
@@ -688,6 +699,7 @@ impl Storage {
                 seq: row.get("seq"),
                 role: row.get("role"),
                 content: row.get("content"),
+                reasoning_content: row.get("reasoning_content"),
                 media_refs: row.get("media_refs"),
                 tool_call_id: row.get("tool_call_id"),
                 tool_name: row.get("tool_name"),
@@ -719,7 +731,7 @@ impl Storage {
         let count_sql = format!("SELECT COUNT(*) as total FROM messages WHERE session_id = ?{}", where_extra);
         let select_sql = format!(
             r#"
-            SELECT id, session_id, seq, role, content, media_refs, tool_call_id, tool_name, tool_calls, source, created_at
+            SELECT id, session_id, seq, role, content, reasoning_content, media_refs, tool_call_id, tool_name, tool_calls, source, created_at
             FROM messages
             WHERE session_id = ?{}
             ORDER BY seq ASC
@@ -759,6 +771,7 @@ impl Storage {
                 seq: row.get("seq"),
                 role: row.get("role"),
                 content: row.get("content"),
+                reasoning_content: row.get("reasoning_content"),
                 media_refs: row.get("media_refs"),
                 tool_call_id: row.get("tool_call_id"),
                 tool_name: row.get("tool_name"),
@@ -933,6 +946,7 @@ mod tests {
             seq: 1,
             role: "user".to_string(),
             content: "你好".to_string(),
+            reasoning_content: None,
             media_refs: None,
             tool_call_id: None,
             tool_name: None,

src/tools/chat_manager.rs

@@ -348,6 +348,7 @@ mod tests {
                 seq: i as i64 + 1,
                 role: if i == 0 { "user".to_string() } else { "assistant".to_string() },
                 content: format!("消息内容 {}", i),
+                reasoning_content: None,
                 media_refs: None,
                 tool_call_id: None,
                 tool_name: None,
@@ -404,6 +405,7 @@ mod tests {
                 seq: i as i64 + 1,
                 role: if i % 2 == 0 { "user".to_string() } else { "assistant".to_string() },
                 content: format!("消息内容 {}", i),
+                reasoning_content: None,
                 media_refs: None,
                 tool_call_id: None,
                 tool_name: None,
@@ -458,6 +460,7 @@ mod tests {
                 seq: i as i64 + 1,
                 role: "user".to_string(),
                 content: format!("消息内容 {}", i),
+                reasoning_content: None,
                 media_refs: None,
                 tool_call_id: None,
                 tool_name: None,