1mod mcp_server;
2pub mod tools;
3
4use collections::HashMap;
5use context_server::listener::McpServerTool;
6use project::Project;
7use settings::SettingsStore;
8use smol::process::Child;
9use std::cell::RefCell;
10use std::fmt::Display;
11use std::path::Path;
12use std::rc::Rc;
13use uuid::Uuid;
14
15use agent_client_protocol as acp;
16use anyhow::{Result, anyhow};
17use futures::channel::oneshot;
18use futures::{AsyncBufReadExt, AsyncWriteExt};
19use futures::{
20 AsyncRead, AsyncWrite, FutureExt, StreamExt,
21 channel::mpsc::{self, UnboundedReceiver, UnboundedSender},
22 io::BufReader,
23 select_biased,
24};
25use gpui::{App, AppContext, AsyncApp, Entity, Task, WeakEntity};
26use serde::{Deserialize, Serialize};
27use util::ResultExt;
28
29use crate::claude::mcp_server::{ClaudeZedMcpServer, McpConfig};
30use crate::claude::tools::ClaudeTool;
31use crate::{AgentServer, AgentServerCommand, AllAgentServersSettings};
32use acp_thread::{AcpThread, AgentConnection};
33
34#[derive(Clone)]
35pub struct ClaudeCode;
36
37impl AgentServer for ClaudeCode {
38 fn name(&self) -> &'static str {
39 "Claude Code"
40 }
41
42 fn empty_state_headline(&self) -> &'static str {
43 self.name()
44 }
45
46 fn empty_state_message(&self) -> &'static str {
47 ""
48 }
49
50 fn logo(&self) -> ui::IconName {
51 ui::IconName::AiClaude
52 }
53
54 fn connect(
55 &self,
56 _root_dir: &Path,
57 _project: &Entity<Project>,
58 _cx: &mut App,
59 ) -> Task<Result<Rc<dyn AgentConnection>>> {
60 let connection = ClaudeAgentConnection {
61 sessions: Default::default(),
62 };
63
64 Task::ready(Ok(Rc::new(connection) as _))
65 }
66}
67
68struct ClaudeAgentConnection {
69 sessions: Rc<RefCell<HashMap<acp::SessionId, ClaudeAgentSession>>>,
70}
71
72impl AgentConnection for ClaudeAgentConnection {
73 fn name(&self) -> &'static str {
74 ClaudeCode.name()
75 }
76
77 fn new_thread(
78 self: Rc<Self>,
79 project: Entity<Project>,
80 cwd: &Path,
81 cx: &mut AsyncApp,
82 ) -> Task<Result<Entity<AcpThread>>> {
83 let cwd = cwd.to_owned();
84 cx.spawn(async move |cx| {
85 let (mut thread_tx, thread_rx) = watch::channel(WeakEntity::new_invalid());
86 let permission_mcp_server = ClaudeZedMcpServer::new(thread_rx.clone(), cx).await?;
87
88 let mut mcp_servers = HashMap::default();
89 mcp_servers.insert(
90 mcp_server::SERVER_NAME.to_string(),
91 permission_mcp_server.server_config()?,
92 );
93 let mcp_config = McpConfig { mcp_servers };
94
95 let mcp_config_file = tempfile::NamedTempFile::new()?;
96 let (mcp_config_file, mcp_config_path) = mcp_config_file.into_parts();
97
98 let mut mcp_config_file = smol::fs::File::from(mcp_config_file);
99 mcp_config_file
100 .write_all(serde_json::to_string(&mcp_config)?.as_bytes())
101 .await?;
102 mcp_config_file.flush().await?;
103
104 let settings = cx.read_global(|settings: &SettingsStore, _| {
105 settings.get::<AllAgentServersSettings>(None).claude.clone()
106 })?;
107
108 let Some(command) =
109 AgentServerCommand::resolve("claude", &[], settings, &project, cx).await
110 else {
111 anyhow::bail!("Failed to find claude binary");
112 };
113
114 let (incoming_message_tx, mut incoming_message_rx) = mpsc::unbounded();
115 let (outgoing_tx, outgoing_rx) = mpsc::unbounded();
116
117 let session_id = acp::SessionId(Uuid::new_v4().to_string().into());
118
119 log::trace!("Starting session with id: {}", session_id);
120
121 cx.background_spawn({
122 let session_id = session_id.clone();
123 async move {
124 let mut outgoing_rx = Some(outgoing_rx);
125
126 let mut child = spawn_claude(
127 &command,
128 ClaudeSessionMode::Start,
129 session_id.clone(),
130 &mcp_config_path,
131 &cwd,
132 )
133 .await?;
134
135 let pid = child.id();
136 log::trace!("Spawned (pid: {})", pid);
137
138 ClaudeAgentSession::handle_io(
139 outgoing_rx.take().unwrap(),
140 incoming_message_tx.clone(),
141 child.stdin.take().unwrap(),
142 child.stdout.take().unwrap(),
143 )
144 .await?;
145
146 log::trace!("Stopped (pid: {})", pid);
147
148 drop(mcp_config_path);
149 anyhow::Ok(())
150 }
151 })
152 .detach();
153
154 let end_turn_tx = Rc::new(RefCell::new(None));
155 let handler_task = cx.spawn({
156 let end_turn_tx = end_turn_tx.clone();
157 let thread_rx = thread_rx.clone();
158 async move |cx| {
159 while let Some(message) = incoming_message_rx.next().await {
160 ClaudeAgentSession::handle_message(
161 thread_rx.clone(),
162 message,
163 end_turn_tx.clone(),
164 cx,
165 )
166 .await
167 }
168 }
169 });
170
171 let thread =
172 cx.new(|cx| AcpThread::new(self.clone(), project, session_id.clone(), cx))?;
173
174 thread_tx.send(thread.downgrade())?;
175
176 let session = ClaudeAgentSession {
177 outgoing_tx,
178 end_turn_tx,
179 _handler_task: handler_task,
180 _mcp_server: Some(permission_mcp_server),
181 };
182
183 self.sessions.borrow_mut().insert(session_id, session);
184
185 Ok(thread)
186 })
187 }
188
189 fn authenticate(&self, _cx: &mut App) -> Task<Result<()>> {
190 Task::ready(Err(anyhow!("Authentication not supported")))
191 }
192
193 fn prompt(&self, params: acp::PromptToolArguments, cx: &mut App) -> Task<Result<()>> {
194 let sessions = self.sessions.borrow();
195 let Some(session) = sessions.get(¶ms.session_id) else {
196 return Task::ready(Err(anyhow!(
197 "Attempted to send message to nonexistent session {}",
198 params.session_id
199 )));
200 };
201
202 let (tx, rx) = oneshot::channel();
203 session.end_turn_tx.borrow_mut().replace(tx);
204
205 let mut content = String::new();
206 for chunk in params.prompt {
207 match chunk {
208 acp::ContentBlock::Text(text_content) => {
209 content.push_str(&text_content.text);
210 }
211 acp::ContentBlock::ResourceLink(resource_link) => {
212 content.push_str(&format!("@{}", resource_link.uri));
213 }
214 acp::ContentBlock::Audio(_)
215 | acp::ContentBlock::Image(_)
216 | acp::ContentBlock::Resource(_) => {
217 // TODO
218 }
219 }
220 }
221
222 if let Err(err) = session.outgoing_tx.unbounded_send(SdkMessage::User {
223 message: Message {
224 role: Role::User,
225 content: Content::UntaggedText(content),
226 id: None,
227 model: None,
228 stop_reason: None,
229 stop_sequence: None,
230 usage: None,
231 },
232 session_id: Some(params.session_id.to_string()),
233 }) {
234 return Task::ready(Err(anyhow!(err)));
235 }
236
237 cx.foreground_executor().spawn(async move {
238 rx.await??;
239 Ok(())
240 })
241 }
242
243 fn cancel(&self, session_id: &acp::SessionId, _cx: &mut App) {
244 let sessions = self.sessions.borrow();
245 let Some(session) = sessions.get(&session_id) else {
246 log::warn!("Attempted to cancel nonexistent session {}", session_id);
247 return;
248 };
249
250 session
251 .outgoing_tx
252 .unbounded_send(SdkMessage::new_interrupt_message())
253 .log_err();
254 }
255}
256
257#[derive(Clone, Copy)]
258enum ClaudeSessionMode {
259 Start,
260 #[expect(dead_code)]
261 Resume,
262}
263
264async fn spawn_claude(
265 command: &AgentServerCommand,
266 mode: ClaudeSessionMode,
267 session_id: acp::SessionId,
268 mcp_config_path: &Path,
269 root_dir: &Path,
270) -> Result<Child> {
271 let child = util::command::new_smol_command(&command.path)
272 .args([
273 "--input-format",
274 "stream-json",
275 "--output-format",
276 "stream-json",
277 "--print",
278 "--verbose",
279 "--mcp-config",
280 mcp_config_path.to_string_lossy().as_ref(),
281 "--permission-prompt-tool",
282 &format!(
283 "mcp__{}__{}",
284 mcp_server::SERVER_NAME,
285 mcp_server::PermissionTool::NAME,
286 ),
287 "--allowedTools",
288 &format!(
289 "mcp__{}__{},mcp__{}__{}",
290 mcp_server::SERVER_NAME,
291 mcp_server::EditTool::NAME,
292 mcp_server::SERVER_NAME,
293 mcp_server::ReadTool::NAME
294 ),
295 "--disallowedTools",
296 "Read,Edit",
297 ])
298 .args(match mode {
299 ClaudeSessionMode::Start => ["--session-id".to_string(), session_id.to_string()],
300 ClaudeSessionMode::Resume => ["--resume".to_string(), session_id.to_string()],
301 })
302 .args(command.args.iter().map(|arg| arg.as_str()))
303 .current_dir(root_dir)
304 .stdin(std::process::Stdio::piped())
305 .stdout(std::process::Stdio::piped())
306 .stderr(std::process::Stdio::inherit())
307 .kill_on_drop(true)
308 .spawn()?;
309
310 Ok(child)
311}
312
313struct ClaudeAgentSession {
314 outgoing_tx: UnboundedSender<SdkMessage>,
315 end_turn_tx: Rc<RefCell<Option<oneshot::Sender<Result<()>>>>>,
316 _mcp_server: Option<ClaudeZedMcpServer>,
317 _handler_task: Task<()>,
318}
319
320impl ClaudeAgentSession {
321 async fn handle_message(
322 mut thread_rx: watch::Receiver<WeakEntity<AcpThread>>,
323 message: SdkMessage,
324 end_turn_tx: Rc<RefCell<Option<oneshot::Sender<Result<()>>>>>,
325 cx: &mut AsyncApp,
326 ) {
327 match message {
328 // we should only be sending these out, they don't need to be in the thread
329 SdkMessage::ControlRequest { .. } => {}
330 SdkMessage::Assistant {
331 message,
332 session_id: _,
333 }
334 | SdkMessage::User {
335 message,
336 session_id: _,
337 } => {
338 let Some(thread) = thread_rx
339 .recv()
340 .await
341 .log_err()
342 .and_then(|entity| entity.upgrade())
343 else {
344 log::error!("Received an SDK message but thread is gone");
345 return;
346 };
347
348 for chunk in message.content.chunks() {
349 match chunk {
350 ContentChunk::Text { text } | ContentChunk::UntaggedText(text) => {
351 thread
352 .update(cx, |thread, cx| {
353 thread.push_assistant_chunk(text.into(), false, cx)
354 })
355 .log_err();
356 }
357 ContentChunk::ToolUse { id, name, input } => {
358 let claude_tool = ClaudeTool::infer(&name, input);
359
360 thread
361 .update(cx, |thread, cx| {
362 if let ClaudeTool::TodoWrite(Some(params)) = claude_tool {
363 thread.update_plan(
364 acp::Plan {
365 entries: params
366 .todos
367 .into_iter()
368 .map(Into::into)
369 .collect(),
370 },
371 cx,
372 )
373 } else {
374 thread.upsert_tool_call(
375 claude_tool.as_acp(acp::ToolCallId(id.into())),
376 cx,
377 );
378 }
379 })
380 .log_err();
381 }
382 ContentChunk::ToolResult {
383 content,
384 tool_use_id,
385 } => {
386 let content = content.to_string();
387 thread
388 .update(cx, |thread, cx| {
389 thread.update_tool_call(
390 acp::ToolCallId(tool_use_id.into()),
391 acp::ToolCallStatus::Completed,
392 (!content.is_empty()).then(|| vec![content.into()]),
393 cx,
394 )
395 })
396 .log_err();
397 }
398 ContentChunk::Image
399 | ContentChunk::Document
400 | ContentChunk::Thinking
401 | ContentChunk::RedactedThinking
402 | ContentChunk::WebSearchToolResult => {
403 thread
404 .update(cx, |thread, cx| {
405 thread.push_assistant_chunk(
406 format!("Unsupported content: {:?}", chunk).into(),
407 false,
408 cx,
409 )
410 })
411 .log_err();
412 }
413 }
414 }
415 }
416 SdkMessage::Result {
417 is_error, subtype, ..
418 } => {
419 if let Some(end_turn_tx) = end_turn_tx.borrow_mut().take() {
420 if is_error {
421 end_turn_tx.send(Err(anyhow!("Error: {subtype}"))).ok();
422 } else {
423 end_turn_tx.send(Ok(())).ok();
424 }
425 }
426 }
427 SdkMessage::System { .. } => {}
428 }
429 }
430
431 async fn handle_io(
432 mut outgoing_rx: UnboundedReceiver<SdkMessage>,
433 incoming_tx: UnboundedSender<SdkMessage>,
434 mut outgoing_bytes: impl Unpin + AsyncWrite,
435 incoming_bytes: impl Unpin + AsyncRead,
436 ) -> Result<UnboundedReceiver<SdkMessage>> {
437 let mut output_reader = BufReader::new(incoming_bytes);
438 let mut outgoing_line = Vec::new();
439 let mut incoming_line = String::new();
440 loop {
441 select_biased! {
442 message = outgoing_rx.next() => {
443 if let Some(message) = message {
444 outgoing_line.clear();
445 serde_json::to_writer(&mut outgoing_line, &message)?;
446 log::trace!("send: {}", String::from_utf8_lossy(&outgoing_line));
447 outgoing_line.push(b'\n');
448 outgoing_bytes.write_all(&outgoing_line).await.ok();
449 } else {
450 break;
451 }
452 }
453 bytes_read = output_reader.read_line(&mut incoming_line).fuse() => {
454 if bytes_read? == 0 {
455 break
456 }
457 log::trace!("recv: {}", &incoming_line);
458 match serde_json::from_str::<SdkMessage>(&incoming_line) {
459 Ok(message) => {
460 incoming_tx.unbounded_send(message).log_err();
461 }
462 Err(error) => {
463 log::error!("failed to parse incoming message: {error}. Raw: {incoming_line}");
464 }
465 }
466 incoming_line.clear();
467 }
468 }
469 }
470
471 Ok(outgoing_rx)
472 }
473}
474
475#[derive(Debug, Clone, Serialize, Deserialize)]
476struct Message {
477 role: Role,
478 content: Content,
479 #[serde(skip_serializing_if = "Option::is_none")]
480 id: Option<String>,
481 #[serde(skip_serializing_if = "Option::is_none")]
482 model: Option<String>,
483 #[serde(skip_serializing_if = "Option::is_none")]
484 stop_reason: Option<String>,
485 #[serde(skip_serializing_if = "Option::is_none")]
486 stop_sequence: Option<String>,
487 #[serde(skip_serializing_if = "Option::is_none")]
488 usage: Option<Usage>,
489}
490
491#[derive(Debug, Clone, Serialize, Deserialize)]
492#[serde(untagged)]
493enum Content {
494 UntaggedText(String),
495 Chunks(Vec<ContentChunk>),
496}
497
498impl Content {
499 pub fn chunks(self) -> impl Iterator<Item = ContentChunk> {
500 match self {
501 Self::Chunks(chunks) => chunks.into_iter(),
502 Self::UntaggedText(text) => vec![ContentChunk::Text { text: text.clone() }].into_iter(),
503 }
504 }
505}
506
507impl Display for Content {
508 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
509 match self {
510 Content::UntaggedText(txt) => write!(f, "{}", txt),
511 Content::Chunks(chunks) => {
512 for chunk in chunks {
513 write!(f, "{}", chunk)?;
514 }
515 Ok(())
516 }
517 }
518 }
519}
520
521#[derive(Debug, Clone, Serialize, Deserialize)]
522#[serde(tag = "type", rename_all = "snake_case")]
523enum ContentChunk {
524 Text {
525 text: String,
526 },
527 ToolUse {
528 id: String,
529 name: String,
530 input: serde_json::Value,
531 },
532 ToolResult {
533 content: Content,
534 tool_use_id: String,
535 },
536 // TODO
537 Image,
538 Document,
539 Thinking,
540 RedactedThinking,
541 WebSearchToolResult,
542 #[serde(untagged)]
543 UntaggedText(String),
544}
545
546impl Display for ContentChunk {
547 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
548 match self {
549 ContentChunk::Text { text } => write!(f, "{}", text),
550 ContentChunk::UntaggedText(text) => write!(f, "{}", text),
551 ContentChunk::ToolResult { content, .. } => write!(f, "{}", content),
552 ContentChunk::Image
553 | ContentChunk::Document
554 | ContentChunk::Thinking
555 | ContentChunk::RedactedThinking
556 | ContentChunk::ToolUse { .. }
557 | ContentChunk::WebSearchToolResult => {
558 write!(f, "\n{:?}\n", &self)
559 }
560 }
561 }
562}
563
564#[derive(Debug, Clone, Serialize, Deserialize)]
565struct Usage {
566 input_tokens: u32,
567 cache_creation_input_tokens: u32,
568 cache_read_input_tokens: u32,
569 output_tokens: u32,
570 service_tier: String,
571}
572
573#[derive(Debug, Clone, Serialize, Deserialize)]
574#[serde(rename_all = "snake_case")]
575enum Role {
576 System,
577 Assistant,
578 User,
579}
580
581#[derive(Debug, Clone, Serialize, Deserialize)]
582struct MessageParam {
583 role: Role,
584 content: String,
585}
586
587#[derive(Debug, Clone, Serialize, Deserialize)]
588#[serde(tag = "type", rename_all = "snake_case")]
589enum SdkMessage {
590 // An assistant message
591 Assistant {
592 message: Message, // from Anthropic SDK
593 #[serde(skip_serializing_if = "Option::is_none")]
594 session_id: Option<String>,
595 },
596 // A user message
597 User {
598 message: Message, // from Anthropic SDK
599 #[serde(skip_serializing_if = "Option::is_none")]
600 session_id: Option<String>,
601 },
602 // Emitted as the last message in a conversation
603 Result {
604 subtype: ResultErrorType,
605 duration_ms: f64,
606 duration_api_ms: f64,
607 is_error: bool,
608 num_turns: i32,
609 #[serde(skip_serializing_if = "Option::is_none")]
610 result: Option<String>,
611 session_id: String,
612 total_cost_usd: f64,
613 },
614 // Emitted as the first message at the start of a conversation
615 System {
616 cwd: String,
617 session_id: String,
618 tools: Vec<String>,
619 model: String,
620 mcp_servers: Vec<McpServer>,
621 #[serde(rename = "apiKeySource")]
622 api_key_source: String,
623 #[serde(rename = "permissionMode")]
624 permission_mode: PermissionMode,
625 },
626 /// Messages used to control the conversation, outside of chat messages to the model
627 ControlRequest {
628 request_id: String,
629 request: ControlRequest,
630 },
631}
632
633#[derive(Debug, Clone, Serialize, Deserialize)]
634#[serde(tag = "subtype", rename_all = "snake_case")]
635enum ControlRequest {
636 /// Cancel the current conversation
637 Interrupt,
638}
639
640#[derive(Debug, Clone, Serialize, Deserialize)]
641#[serde(rename_all = "snake_case")]
642enum ResultErrorType {
643 Success,
644 ErrorMaxTurns,
645 ErrorDuringExecution,
646}
647
648impl Display for ResultErrorType {
649 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
650 match self {
651 ResultErrorType::Success => write!(f, "success"),
652 ResultErrorType::ErrorMaxTurns => write!(f, "error_max_turns"),
653 ResultErrorType::ErrorDuringExecution => write!(f, "error_during_execution"),
654 }
655 }
656}
657
658impl SdkMessage {
659 fn new_interrupt_message() -> Self {
660 use rand::Rng;
661 // In the Claude Code TS SDK they just generate a random 12 character string,
662 // `Math.random().toString(36).substring(2, 15)`
663 let request_id = rand::thread_rng()
664 .sample_iter(&rand::distributions::Alphanumeric)
665 .take(12)
666 .map(char::from)
667 .collect();
668
669 Self::ControlRequest {
670 request_id,
671 request: ControlRequest::Interrupt,
672 }
673 }
674}
675
676#[derive(Debug, Clone, Serialize, Deserialize)]
677struct McpServer {
678 name: String,
679 status: String,
680}
681
682#[derive(Debug, Clone, Serialize, Deserialize)]
683#[serde(rename_all = "camelCase")]
684enum PermissionMode {
685 Default,
686 AcceptEdits,
687 BypassPermissions,
688 Plan,
689}
690
691#[cfg(test)]
692pub(crate) mod tests {
693 use super::*;
694 use serde_json::json;
695
696 crate::common_e2e_tests!(ClaudeCode);
697
698 pub fn local_command() -> AgentServerCommand {
699 AgentServerCommand {
700 path: "claude".into(),
701 args: vec![],
702 env: None,
703 }
704 }
705
706 #[test]
707 fn test_deserialize_content_untagged_text() {
708 let json = json!("Hello, world!");
709 let content: Content = serde_json::from_value(json).unwrap();
710 match content {
711 Content::UntaggedText(text) => assert_eq!(text, "Hello, world!"),
712 _ => panic!("Expected UntaggedText variant"),
713 }
714 }
715
716 #[test]
717 fn test_deserialize_content_chunks() {
718 let json = json!([
719 {
720 "type": "text",
721 "text": "Hello"
722 },
723 {
724 "type": "tool_use",
725 "id": "tool_123",
726 "name": "calculator",
727 "input": {"operation": "add", "a": 1, "b": 2}
728 }
729 ]);
730 let content: Content = serde_json::from_value(json).unwrap();
731 match content {
732 Content::Chunks(chunks) => {
733 assert_eq!(chunks.len(), 2);
734 match &chunks[0] {
735 ContentChunk::Text { text } => assert_eq!(text, "Hello"),
736 _ => panic!("Expected Text chunk"),
737 }
738 match &chunks[1] {
739 ContentChunk::ToolUse { id, name, input } => {
740 assert_eq!(id, "tool_123");
741 assert_eq!(name, "calculator");
742 assert_eq!(input["operation"], "add");
743 assert_eq!(input["a"], 1);
744 assert_eq!(input["b"], 2);
745 }
746 _ => panic!("Expected ToolUse chunk"),
747 }
748 }
749 _ => panic!("Expected Chunks variant"),
750 }
751 }
752
753 #[test]
754 fn test_deserialize_tool_result_untagged_text() {
755 let json = json!({
756 "type": "tool_result",
757 "content": "Result content",
758 "tool_use_id": "tool_456"
759 });
760 let chunk: ContentChunk = serde_json::from_value(json).unwrap();
761 match chunk {
762 ContentChunk::ToolResult {
763 content,
764 tool_use_id,
765 } => {
766 match content {
767 Content::UntaggedText(text) => assert_eq!(text, "Result content"),
768 _ => panic!("Expected UntaggedText content"),
769 }
770 assert_eq!(tool_use_id, "tool_456");
771 }
772 _ => panic!("Expected ToolResult variant"),
773 }
774 }
775
776 #[test]
777 fn test_deserialize_tool_result_chunks() {
778 let json = json!({
779 "type": "tool_result",
780 "content": [
781 {
782 "type": "text",
783 "text": "Processing complete"
784 },
785 {
786 "type": "text",
787 "text": "Result: 42"
788 }
789 ],
790 "tool_use_id": "tool_789"
791 });
792 let chunk: ContentChunk = serde_json::from_value(json).unwrap();
793 match chunk {
794 ContentChunk::ToolResult {
795 content,
796 tool_use_id,
797 } => {
798 match content {
799 Content::Chunks(chunks) => {
800 assert_eq!(chunks.len(), 2);
801 match &chunks[0] {
802 ContentChunk::Text { text } => assert_eq!(text, "Processing complete"),
803 _ => panic!("Expected Text chunk"),
804 }
805 match &chunks[1] {
806 ContentChunk::Text { text } => assert_eq!(text, "Result: 42"),
807 _ => panic!("Expected Text chunk"),
808 }
809 }
810 _ => panic!("Expected Chunks content"),
811 }
812 assert_eq!(tool_use_id, "tool_789");
813 }
814 _ => panic!("Expected ToolResult variant"),
815 }
816 }
817}