1use crate::{
2 ContextServerRegistry, CopyPathTool, CreateDirectoryTool, DbLanguageModel, DbThread,
3 DeletePathTool, DiagnosticsTool, EditFileTool, FetchTool, FindPathTool, GrepTool,
4 ListDirectoryTool, MovePathTool, NowTool, OpenTool, ProjectSnapshot, ReadFileTool,
5 RestoreFileFromDiskTool, SaveFileTool, SystemPromptTemplate, Template, Templates, TerminalTool,
6 ThinkingTool, WebSearchTool,
7};
8use acp_thread::{MentionUri, UserMessageId};
9use action_log::ActionLog;
10
11use agent_client_protocol as acp;
12use agent_settings::{
13 AgentProfileId, AgentProfileSettings, AgentSettings, CompletionMode,
14 SUMMARIZE_THREAD_DETAILED_PROMPT, SUMMARIZE_THREAD_PROMPT,
15};
16use anyhow::{Context as _, Result, anyhow};
17use chrono::{DateTime, Utc};
18use client::{ModelRequestUsage, RequestUsage, UserStore};
19use cloud_llm_client::{CompletionIntent, Plan, UsageLimit};
20use collections::{HashMap, HashSet, IndexMap};
21use fs::Fs;
22use futures::stream;
23use futures::{
24 FutureExt,
25 channel::{mpsc, oneshot},
26 future::Shared,
27 stream::FuturesUnordered,
28};
29use gpui::{
30 App, AppContext, AsyncApp, Context, Entity, EventEmitter, SharedString, Task, WeakEntity,
31};
32use language_model::{
33 LanguageModel, LanguageModelCompletionError, LanguageModelCompletionEvent, LanguageModelExt,
34 LanguageModelId, LanguageModelImage, LanguageModelProviderId, LanguageModelRegistry,
35 LanguageModelRequest, LanguageModelRequestMessage, LanguageModelRequestTool,
36 LanguageModelToolResult, LanguageModelToolResultContent, LanguageModelToolSchemaFormat,
37 LanguageModelToolUse, LanguageModelToolUseId, Role, SelectedModel, StopReason, TokenUsage,
38 ZED_CLOUD_PROVIDER_ID,
39};
40use project::Project;
41use prompt_store::ProjectContext;
42use schemars::{JsonSchema, Schema};
43use serde::{Deserialize, Serialize};
44use settings::{LanguageModelSelection, Settings, update_settings_file};
45use smol::stream::StreamExt;
46use std::{
47 collections::BTreeMap,
48 ops::RangeInclusive,
49 path::Path,
50 rc::Rc,
51 sync::Arc,
52 time::{Duration, Instant},
53};
54use std::{fmt::Write, path::PathBuf};
55use util::{ResultExt, debug_panic, markdown::MarkdownCodeBlock, paths::PathStyle};
56use uuid::Uuid;
57
58const TOOL_CANCELED_MESSAGE: &str = "Tool canceled by user";
59pub const MAX_TOOL_NAME_LENGTH: usize = 64;
60
61/// The ID of the user prompt that initiated a request.
62///
63/// This equates to the user physically submitting a message to the model (e.g., by pressing the Enter key).
64#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Serialize, Deserialize)]
65pub struct PromptId(Arc<str>);
66
67impl PromptId {
68 pub fn new() -> Self {
69 Self(Uuid::new_v4().to_string().into())
70 }
71}
72
73impl std::fmt::Display for PromptId {
74 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
75 write!(f, "{}", self.0)
76 }
77}
78
79pub(crate) const MAX_RETRY_ATTEMPTS: u8 = 4;
80pub(crate) const BASE_RETRY_DELAY: Duration = Duration::from_secs(5);
81
82#[derive(Debug, Clone)]
83enum RetryStrategy {
84 ExponentialBackoff {
85 initial_delay: Duration,
86 max_attempts: u8,
87 },
88 Fixed {
89 delay: Duration,
90 max_attempts: u8,
91 },
92}
93
94#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
95pub enum Message {
96 User(UserMessage),
97 Agent(AgentMessage),
98 Resume,
99}
100
101impl Message {
102 pub fn as_agent_message(&self) -> Option<&AgentMessage> {
103 match self {
104 Message::Agent(agent_message) => Some(agent_message),
105 _ => None,
106 }
107 }
108
109 pub fn to_request(&self) -> Vec<LanguageModelRequestMessage> {
110 match self {
111 Message::User(message) => {
112 if message.content.is_empty() {
113 vec![]
114 } else {
115 vec![message.to_request()]
116 }
117 }
118 Message::Agent(message) => message.to_request(),
119 Message::Resume => vec![LanguageModelRequestMessage {
120 role: Role::User,
121 content: vec!["Continue where you left off".into()],
122 cache: false,
123 reasoning_details: None,
124 }],
125 }
126 }
127
128 pub fn to_markdown(&self) -> String {
129 match self {
130 Message::User(message) => message.to_markdown(),
131 Message::Agent(message) => message.to_markdown(),
132 Message::Resume => "[resume]\n".into(),
133 }
134 }
135
136 pub fn role(&self) -> Role {
137 match self {
138 Message::User(_) | Message::Resume => Role::User,
139 Message::Agent(_) => Role::Assistant,
140 }
141 }
142}
143
144#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
145pub struct UserMessage {
146 pub id: UserMessageId,
147 pub content: Vec<UserMessageContent>,
148}
149
150#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
151pub enum UserMessageContent {
152 Text(String),
153 Mention { uri: MentionUri, content: String },
154 Image(LanguageModelImage),
155}
156
157impl UserMessage {
158 pub fn to_markdown(&self) -> String {
159 let mut markdown = String::from("## User\n\n");
160
161 for content in &self.content {
162 match content {
163 UserMessageContent::Text(text) => {
164 markdown.push_str(text);
165 markdown.push('\n');
166 }
167 UserMessageContent::Image(_) => {
168 markdown.push_str("<image />\n");
169 }
170 UserMessageContent::Mention { uri, content } => {
171 if !content.is_empty() {
172 let _ = writeln!(&mut markdown, "{}\n\n{}", uri.as_link(), content);
173 } else {
174 let _ = writeln!(&mut markdown, "{}", uri.as_link());
175 }
176 }
177 }
178 }
179
180 markdown
181 }
182
183 fn to_request(&self) -> LanguageModelRequestMessage {
184 let mut message = LanguageModelRequestMessage {
185 role: Role::User,
186 content: Vec::with_capacity(self.content.len()),
187 cache: false,
188 reasoning_details: None,
189 };
190
191 const OPEN_CONTEXT: &str = "<context>\n\
192 The following items were attached by the user. \
193 They are up-to-date and don't need to be re-read.\n\n";
194
195 const OPEN_FILES_TAG: &str = "<files>";
196 const OPEN_DIRECTORIES_TAG: &str = "<directories>";
197 const OPEN_SYMBOLS_TAG: &str = "<symbols>";
198 const OPEN_SELECTIONS_TAG: &str = "<selections>";
199 const OPEN_THREADS_TAG: &str = "<threads>";
200 const OPEN_FETCH_TAG: &str = "<fetched_urls>";
201 const OPEN_RULES_TAG: &str =
202 "<rules>\nThe user has specified the following rules that should be applied:\n";
203
204 let mut file_context = OPEN_FILES_TAG.to_string();
205 let mut directory_context = OPEN_DIRECTORIES_TAG.to_string();
206 let mut symbol_context = OPEN_SYMBOLS_TAG.to_string();
207 let mut selection_context = OPEN_SELECTIONS_TAG.to_string();
208 let mut thread_context = OPEN_THREADS_TAG.to_string();
209 let mut fetch_context = OPEN_FETCH_TAG.to_string();
210 let mut rules_context = OPEN_RULES_TAG.to_string();
211
212 for chunk in &self.content {
213 let chunk = match chunk {
214 UserMessageContent::Text(text) => {
215 language_model::MessageContent::Text(text.clone())
216 }
217 UserMessageContent::Image(value) => {
218 language_model::MessageContent::Image(value.clone())
219 }
220 UserMessageContent::Mention { uri, content } => {
221 match uri {
222 MentionUri::File { abs_path } => {
223 write!(
224 &mut file_context,
225 "\n{}",
226 MarkdownCodeBlock {
227 tag: &codeblock_tag(abs_path, None),
228 text: &content.to_string(),
229 }
230 )
231 .ok();
232 }
233 MentionUri::PastedImage => {
234 debug_panic!("pasted image URI should not be used in mention content")
235 }
236 MentionUri::Directory { .. } => {
237 write!(&mut directory_context, "\n{}\n", content).ok();
238 }
239 MentionUri::Symbol {
240 abs_path: path,
241 line_range,
242 ..
243 } => {
244 write!(
245 &mut symbol_context,
246 "\n{}",
247 MarkdownCodeBlock {
248 tag: &codeblock_tag(path, Some(line_range)),
249 text: content
250 }
251 )
252 .ok();
253 }
254 MentionUri::Selection {
255 abs_path: path,
256 line_range,
257 ..
258 } => {
259 write!(
260 &mut selection_context,
261 "\n{}",
262 MarkdownCodeBlock {
263 tag: &codeblock_tag(
264 path.as_deref().unwrap_or("Untitled".as_ref()),
265 Some(line_range)
266 ),
267 text: content
268 }
269 )
270 .ok();
271 }
272 MentionUri::Thread { .. } => {
273 write!(&mut thread_context, "\n{}\n", content).ok();
274 }
275 MentionUri::TextThread { .. } => {
276 write!(&mut thread_context, "\n{}\n", content).ok();
277 }
278 MentionUri::Rule { .. } => {
279 write!(
280 &mut rules_context,
281 "\n{}",
282 MarkdownCodeBlock {
283 tag: "",
284 text: content
285 }
286 )
287 .ok();
288 }
289 MentionUri::Fetch { url } => {
290 write!(&mut fetch_context, "\nFetch: {}\n\n{}", url, content).ok();
291 }
292 }
293
294 language_model::MessageContent::Text(uri.as_link().to_string())
295 }
296 };
297
298 message.content.push(chunk);
299 }
300
301 let len_before_context = message.content.len();
302
303 if file_context.len() > OPEN_FILES_TAG.len() {
304 file_context.push_str("</files>\n");
305 message
306 .content
307 .push(language_model::MessageContent::Text(file_context));
308 }
309
310 if directory_context.len() > OPEN_DIRECTORIES_TAG.len() {
311 directory_context.push_str("</directories>\n");
312 message
313 .content
314 .push(language_model::MessageContent::Text(directory_context));
315 }
316
317 if symbol_context.len() > OPEN_SYMBOLS_TAG.len() {
318 symbol_context.push_str("</symbols>\n");
319 message
320 .content
321 .push(language_model::MessageContent::Text(symbol_context));
322 }
323
324 if selection_context.len() > OPEN_SELECTIONS_TAG.len() {
325 selection_context.push_str("</selections>\n");
326 message
327 .content
328 .push(language_model::MessageContent::Text(selection_context));
329 }
330
331 if thread_context.len() > OPEN_THREADS_TAG.len() {
332 thread_context.push_str("</threads>\n");
333 message
334 .content
335 .push(language_model::MessageContent::Text(thread_context));
336 }
337
338 if fetch_context.len() > OPEN_FETCH_TAG.len() {
339 fetch_context.push_str("</fetched_urls>\n");
340 message
341 .content
342 .push(language_model::MessageContent::Text(fetch_context));
343 }
344
345 if rules_context.len() > OPEN_RULES_TAG.len() {
346 rules_context.push_str("</user_rules>\n");
347 message
348 .content
349 .push(language_model::MessageContent::Text(rules_context));
350 }
351
352 if message.content.len() > len_before_context {
353 message.content.insert(
354 len_before_context,
355 language_model::MessageContent::Text(OPEN_CONTEXT.into()),
356 );
357 message
358 .content
359 .push(language_model::MessageContent::Text("</context>".into()));
360 }
361
362 message
363 }
364}
365
366fn codeblock_tag(full_path: &Path, line_range: Option<&RangeInclusive<u32>>) -> String {
367 let mut result = String::new();
368
369 if let Some(extension) = full_path.extension().and_then(|ext| ext.to_str()) {
370 let _ = write!(result, "{} ", extension);
371 }
372
373 let _ = write!(result, "{}", full_path.display());
374
375 if let Some(range) = line_range {
376 if range.start() == range.end() {
377 let _ = write!(result, ":{}", range.start() + 1);
378 } else {
379 let _ = write!(result, ":{}-{}", range.start() + 1, range.end() + 1);
380 }
381 }
382
383 result
384}
385
386impl AgentMessage {
387 pub fn to_markdown(&self) -> String {
388 let mut markdown = String::from("## Assistant\n\n");
389
390 for content in &self.content {
391 match content {
392 AgentMessageContent::Text(text) => {
393 markdown.push_str(text);
394 markdown.push('\n');
395 }
396 AgentMessageContent::Thinking { text, .. } => {
397 markdown.push_str("<think>");
398 markdown.push_str(text);
399 markdown.push_str("</think>\n");
400 }
401 AgentMessageContent::RedactedThinking(_) => {
402 markdown.push_str("<redacted_thinking />\n")
403 }
404 AgentMessageContent::ToolUse(tool_use) => {
405 markdown.push_str(&format!(
406 "**Tool Use**: {} (ID: {})\n",
407 tool_use.name, tool_use.id
408 ));
409 markdown.push_str(&format!(
410 "{}\n",
411 MarkdownCodeBlock {
412 tag: "json",
413 text: &format!("{:#}", tool_use.input)
414 }
415 ));
416 }
417 }
418 }
419
420 for tool_result in self.tool_results.values() {
421 markdown.push_str(&format!(
422 "**Tool Result**: {} (ID: {})\n\n",
423 tool_result.tool_name, tool_result.tool_use_id
424 ));
425 if tool_result.is_error {
426 markdown.push_str("**ERROR:**\n");
427 }
428
429 match &tool_result.content {
430 LanguageModelToolResultContent::Text(text) => {
431 writeln!(markdown, "{text}\n").ok();
432 }
433 LanguageModelToolResultContent::Image(_) => {
434 writeln!(markdown, "<image />\n").ok();
435 }
436 }
437
438 if let Some(output) = tool_result.output.as_ref() {
439 writeln!(
440 markdown,
441 "**Debug Output**:\n\n```json\n{}\n```\n",
442 serde_json::to_string_pretty(output).unwrap()
443 )
444 .unwrap();
445 }
446 }
447
448 markdown
449 }
450
451 pub fn to_request(&self) -> Vec<LanguageModelRequestMessage> {
452 let mut assistant_message = LanguageModelRequestMessage {
453 role: Role::Assistant,
454 content: Vec::with_capacity(self.content.len()),
455 cache: false,
456 reasoning_details: self.reasoning_details.clone(),
457 };
458 for chunk in &self.content {
459 match chunk {
460 AgentMessageContent::Text(text) => {
461 assistant_message
462 .content
463 .push(language_model::MessageContent::Text(text.clone()));
464 }
465 AgentMessageContent::Thinking { text, signature } => {
466 assistant_message
467 .content
468 .push(language_model::MessageContent::Thinking {
469 text: text.clone(),
470 signature: signature.clone(),
471 });
472 }
473 AgentMessageContent::RedactedThinking(value) => {
474 assistant_message.content.push(
475 language_model::MessageContent::RedactedThinking(value.clone()),
476 );
477 }
478 AgentMessageContent::ToolUse(tool_use) => {
479 if self.tool_results.contains_key(&tool_use.id) {
480 assistant_message
481 .content
482 .push(language_model::MessageContent::ToolUse(tool_use.clone()));
483 }
484 }
485 };
486 }
487
488 let mut user_message = LanguageModelRequestMessage {
489 role: Role::User,
490 content: Vec::new(),
491 cache: false,
492 reasoning_details: None,
493 };
494
495 for tool_result in self.tool_results.values() {
496 let mut tool_result = tool_result.clone();
497 // Surprisingly, the API fails if we return an empty string here.
498 // It thinks we are sending a tool use without a tool result.
499 if tool_result.content.is_empty() {
500 tool_result.content = "<Tool returned an empty string>".into();
501 }
502 user_message
503 .content
504 .push(language_model::MessageContent::ToolResult(tool_result));
505 }
506
507 let mut messages = Vec::new();
508 if !assistant_message.content.is_empty() {
509 messages.push(assistant_message);
510 }
511 if !user_message.content.is_empty() {
512 messages.push(user_message);
513 }
514 messages
515 }
516}
517
518#[derive(Default, Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
519pub struct AgentMessage {
520 pub content: Vec<AgentMessageContent>,
521 pub tool_results: IndexMap<LanguageModelToolUseId, LanguageModelToolResult>,
522 pub reasoning_details: Option<serde_json::Value>,
523}
524
525#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
526pub enum AgentMessageContent {
527 Text(String),
528 Thinking {
529 text: String,
530 signature: Option<String>,
531 },
532 RedactedThinking(String),
533 ToolUse(LanguageModelToolUse),
534}
535
536pub trait TerminalHandle {
537 fn id(&self, cx: &AsyncApp) -> Result<acp::TerminalId>;
538 fn current_output(&self, cx: &AsyncApp) -> Result<acp::TerminalOutputResponse>;
539 fn wait_for_exit(&self, cx: &AsyncApp) -> Result<Shared<Task<acp::TerminalExitStatus>>>;
540 fn kill(&self, cx: &AsyncApp) -> Result<()>;
541 fn was_stopped_by_user(&self, cx: &AsyncApp) -> Result<bool>;
542}
543
544pub trait ThreadEnvironment {
545 fn create_terminal(
546 &self,
547 command: String,
548 cwd: Option<PathBuf>,
549 output_byte_limit: Option<u64>,
550 cx: &mut AsyncApp,
551 ) -> Task<Result<Rc<dyn TerminalHandle>>>;
552}
553
554#[derive(Debug)]
555pub enum ThreadEvent {
556 UserMessage(UserMessage),
557 AgentText(String),
558 AgentThinking(String),
559 ToolCall(acp::ToolCall),
560 ToolCallUpdate(acp_thread::ToolCallUpdate),
561 ToolCallAuthorization(ToolCallAuthorization),
562 Retry(acp_thread::RetryStatus),
563 Stop(acp::StopReason),
564}
565
566#[derive(Debug)]
567pub struct NewTerminal {
568 pub command: String,
569 pub output_byte_limit: Option<u64>,
570 pub cwd: Option<PathBuf>,
571 pub response: oneshot::Sender<Result<Entity<acp_thread::Terminal>>>,
572}
573
574#[derive(Debug)]
575pub struct ToolCallAuthorization {
576 pub tool_call: acp::ToolCallUpdate,
577 pub options: Vec<acp::PermissionOption>,
578 pub response: oneshot::Sender<acp::PermissionOptionId>,
579}
580
581#[derive(Debug, thiserror::Error)]
582enum CompletionError {
583 #[error("max tokens")]
584 MaxTokens,
585 #[error("refusal")]
586 Refusal,
587 #[error(transparent)]
588 Other(#[from] anyhow::Error),
589}
590
591pub struct Thread {
592 id: acp::SessionId,
593 prompt_id: PromptId,
594 updated_at: DateTime<Utc>,
595 title: Option<SharedString>,
596 pending_title_generation: Option<Task<()>>,
597 pending_summary_generation: Option<Shared<Task<Option<SharedString>>>>,
598 summary: Option<SharedString>,
599 messages: Vec<Message>,
600 user_store: Entity<UserStore>,
601 completion_mode: CompletionMode,
602 /// Holds the task that handles agent interaction until the end of the turn.
603 /// Survives across multiple requests as the model performs tool calls and
604 /// we run tools, report their results.
605 running_turn: Option<RunningTurn>,
606 pending_message: Option<AgentMessage>,
607 tools: BTreeMap<SharedString, Arc<dyn AnyAgentTool>>,
608 tool_use_limit_reached: bool,
609 request_token_usage: HashMap<UserMessageId, language_model::TokenUsage>,
610 #[allow(unused)]
611 cumulative_token_usage: TokenUsage,
612 #[allow(unused)]
613 initial_project_snapshot: Shared<Task<Option<Arc<ProjectSnapshot>>>>,
614 context_server_registry: Entity<ContextServerRegistry>,
615 profile_id: AgentProfileId,
616 project_context: Entity<ProjectContext>,
617 templates: Arc<Templates>,
618 model: Option<Arc<dyn LanguageModel>>,
619 summarization_model: Option<Arc<dyn LanguageModel>>,
620 prompt_capabilities_tx: watch::Sender<acp::PromptCapabilities>,
621 pub(crate) prompt_capabilities_rx: watch::Receiver<acp::PromptCapabilities>,
622 pub(crate) project: Entity<Project>,
623 pub(crate) action_log: Entity<ActionLog>,
624 /// Tracks the last time files were read by the agent, to detect external modifications
625 pub(crate) file_read_times: HashMap<PathBuf, fs::MTime>,
626 /// True if this thread was imported from a shared thread and can be synced.
627 imported: bool,
628}
629
630impl Thread {
631 fn prompt_capabilities(model: Option<&dyn LanguageModel>) -> acp::PromptCapabilities {
632 let image = model.map_or(true, |model| model.supports_images());
633 acp::PromptCapabilities::new()
634 .image(image)
635 .embedded_context(true)
636 }
637
638 pub fn new(
639 project: Entity<Project>,
640 project_context: Entity<ProjectContext>,
641 context_server_registry: Entity<ContextServerRegistry>,
642 templates: Arc<Templates>,
643 model: Option<Arc<dyn LanguageModel>>,
644 cx: &mut Context<Self>,
645 ) -> Self {
646 let profile_id = AgentSettings::get_global(cx).default_profile.clone();
647 let action_log = cx.new(|_cx| ActionLog::new(project.clone()));
648 let (prompt_capabilities_tx, prompt_capabilities_rx) =
649 watch::channel(Self::prompt_capabilities(model.as_deref()));
650 Self {
651 id: acp::SessionId::new(uuid::Uuid::new_v4().to_string()),
652 prompt_id: PromptId::new(),
653 updated_at: Utc::now(),
654 title: None,
655 pending_title_generation: None,
656 pending_summary_generation: None,
657 summary: None,
658 messages: Vec::new(),
659 user_store: project.read(cx).user_store(),
660 completion_mode: AgentSettings::get_global(cx).preferred_completion_mode,
661 running_turn: None,
662 pending_message: None,
663 tools: BTreeMap::default(),
664 tool_use_limit_reached: false,
665 request_token_usage: HashMap::default(),
666 cumulative_token_usage: TokenUsage::default(),
667 initial_project_snapshot: {
668 let project_snapshot = Self::project_snapshot(project.clone(), cx);
669 cx.foreground_executor()
670 .spawn(async move { Some(project_snapshot.await) })
671 .shared()
672 },
673 context_server_registry,
674 profile_id,
675 project_context,
676 templates,
677 model,
678 summarization_model: None,
679 prompt_capabilities_tx,
680 prompt_capabilities_rx,
681 project,
682 action_log,
683 file_read_times: HashMap::default(),
684 imported: false,
685 }
686 }
687
688 pub fn id(&self) -> &acp::SessionId {
689 &self.id
690 }
691
692 /// Returns true if this thread was imported from a shared thread.
693 pub fn is_imported(&self) -> bool {
694 self.imported
695 }
696
697 pub fn replay(
698 &mut self,
699 cx: &mut Context<Self>,
700 ) -> mpsc::UnboundedReceiver<Result<ThreadEvent>> {
701 let (tx, rx) = mpsc::unbounded();
702 let stream = ThreadEventStream(tx);
703 for message in &self.messages {
704 match message {
705 Message::User(user_message) => stream.send_user_message(user_message),
706 Message::Agent(assistant_message) => {
707 for content in &assistant_message.content {
708 match content {
709 AgentMessageContent::Text(text) => stream.send_text(text),
710 AgentMessageContent::Thinking { text, .. } => {
711 stream.send_thinking(text)
712 }
713 AgentMessageContent::RedactedThinking(_) => {}
714 AgentMessageContent::ToolUse(tool_use) => {
715 self.replay_tool_call(
716 tool_use,
717 assistant_message.tool_results.get(&tool_use.id),
718 &stream,
719 cx,
720 );
721 }
722 }
723 }
724 }
725 Message::Resume => {}
726 }
727 }
728 rx
729 }
730
731 fn replay_tool_call(
732 &self,
733 tool_use: &LanguageModelToolUse,
734 tool_result: Option<&LanguageModelToolResult>,
735 stream: &ThreadEventStream,
736 cx: &mut Context<Self>,
737 ) {
738 let tool = self.tools.get(tool_use.name.as_ref()).cloned().or_else(|| {
739 self.context_server_registry
740 .read(cx)
741 .servers()
742 .find_map(|(_, tools)| {
743 if let Some(tool) = tools.get(tool_use.name.as_ref()) {
744 Some(tool.clone())
745 } else {
746 None
747 }
748 })
749 });
750
751 let Some(tool) = tool else {
752 stream
753 .0
754 .unbounded_send(Ok(ThreadEvent::ToolCall(
755 acp::ToolCall::new(tool_use.id.to_string(), tool_use.name.to_string())
756 .status(acp::ToolCallStatus::Failed)
757 .raw_input(tool_use.input.clone()),
758 )))
759 .ok();
760 return;
761 };
762
763 let title = tool.initial_title(tool_use.input.clone(), cx);
764 let kind = tool.kind();
765 stream.send_tool_call(
766 &tool_use.id,
767 &tool_use.name,
768 title,
769 kind,
770 tool_use.input.clone(),
771 );
772
773 let output = tool_result
774 .as_ref()
775 .and_then(|result| result.output.clone());
776 if let Some(output) = output.clone() {
777 // For replay, we use a dummy cancellation receiver since the tool already completed
778 let (_cancellation_tx, cancellation_rx) = watch::channel(false);
779 let tool_event_stream = ToolCallEventStream::new(
780 tool_use.id.clone(),
781 stream.clone(),
782 Some(self.project.read(cx).fs().clone()),
783 cancellation_rx,
784 );
785 tool.replay(tool_use.input.clone(), output, tool_event_stream, cx)
786 .log_err();
787 }
788
789 stream.update_tool_call_fields(
790 &tool_use.id,
791 acp::ToolCallUpdateFields::new()
792 .status(
793 tool_result
794 .as_ref()
795 .map_or(acp::ToolCallStatus::Failed, |result| {
796 if result.is_error {
797 acp::ToolCallStatus::Failed
798 } else {
799 acp::ToolCallStatus::Completed
800 }
801 }),
802 )
803 .raw_output(output),
804 );
805 }
806
807 pub fn from_db(
808 id: acp::SessionId,
809 db_thread: DbThread,
810 project: Entity<Project>,
811 project_context: Entity<ProjectContext>,
812 context_server_registry: Entity<ContextServerRegistry>,
813 templates: Arc<Templates>,
814 cx: &mut Context<Self>,
815 ) -> Self {
816 let profile_id = db_thread
817 .profile
818 .unwrap_or_else(|| AgentSettings::get_global(cx).default_profile.clone());
819
820 let mut model = LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
821 db_thread
822 .model
823 .and_then(|model| {
824 let model = SelectedModel {
825 provider: model.provider.clone().into(),
826 model: model.model.into(),
827 };
828 registry.select_model(&model, cx)
829 })
830 .or_else(|| registry.default_model())
831 .map(|model| model.model)
832 });
833
834 if model.is_none() {
835 model = Self::resolve_profile_model(&profile_id, cx);
836 }
837 if model.is_none() {
838 model = LanguageModelRegistry::global(cx).update(cx, |registry, _cx| {
839 registry.default_model().map(|model| model.model)
840 });
841 }
842
843 let (prompt_capabilities_tx, prompt_capabilities_rx) =
844 watch::channel(Self::prompt_capabilities(model.as_deref()));
845
846 let action_log = cx.new(|_| ActionLog::new(project.clone()));
847
848 Self {
849 id,
850 prompt_id: PromptId::new(),
851 title: if db_thread.title.is_empty() {
852 None
853 } else {
854 Some(db_thread.title.clone())
855 },
856 pending_title_generation: None,
857 pending_summary_generation: None,
858 summary: db_thread.detailed_summary,
859 messages: db_thread.messages,
860 user_store: project.read(cx).user_store(),
861 completion_mode: db_thread.completion_mode.unwrap_or_default(),
862 running_turn: None,
863 pending_message: None,
864 tools: BTreeMap::default(),
865 tool_use_limit_reached: false,
866 request_token_usage: db_thread.request_token_usage.clone(),
867 cumulative_token_usage: db_thread.cumulative_token_usage,
868 initial_project_snapshot: Task::ready(db_thread.initial_project_snapshot).shared(),
869 context_server_registry,
870 profile_id,
871 project_context,
872 templates,
873 model,
874 summarization_model: None,
875 project,
876 action_log,
877 updated_at: db_thread.updated_at,
878 prompt_capabilities_tx,
879 prompt_capabilities_rx,
880 file_read_times: HashMap::default(),
881 imported: db_thread.imported,
882 }
883 }
884
885 pub fn to_db(&self, cx: &App) -> Task<DbThread> {
886 let initial_project_snapshot = self.initial_project_snapshot.clone();
887 let mut thread = DbThread {
888 title: self.title(),
889 messages: self.messages.clone(),
890 updated_at: self.updated_at,
891 detailed_summary: self.summary.clone(),
892 initial_project_snapshot: None,
893 cumulative_token_usage: self.cumulative_token_usage,
894 request_token_usage: self.request_token_usage.clone(),
895 model: self.model.as_ref().map(|model| DbLanguageModel {
896 provider: model.provider_id().to_string(),
897 model: model.name().0.to_string(),
898 }),
899 completion_mode: Some(self.completion_mode),
900 profile: Some(self.profile_id.clone()),
901 imported: self.imported,
902 };
903
904 cx.background_spawn(async move {
905 let initial_project_snapshot = initial_project_snapshot.await;
906 thread.initial_project_snapshot = initial_project_snapshot;
907 thread
908 })
909 }
910
911 /// Create a snapshot of the current project state including git information and unsaved buffers.
912 fn project_snapshot(
913 project: Entity<Project>,
914 cx: &mut Context<Self>,
915 ) -> Task<Arc<ProjectSnapshot>> {
916 let task = project::telemetry_snapshot::TelemetrySnapshot::new(&project, cx);
917 cx.spawn(async move |_, _| {
918 let snapshot = task.await;
919
920 Arc::new(ProjectSnapshot {
921 worktree_snapshots: snapshot.worktree_snapshots,
922 timestamp: Utc::now(),
923 })
924 })
925 }
926
927 pub fn project_context(&self) -> &Entity<ProjectContext> {
928 &self.project_context
929 }
930
931 pub fn project(&self) -> &Entity<Project> {
932 &self.project
933 }
934
935 pub fn action_log(&self) -> &Entity<ActionLog> {
936 &self.action_log
937 }
938
939 pub fn is_empty(&self) -> bool {
940 self.messages.is_empty() && self.title.is_none()
941 }
942
943 pub fn model(&self) -> Option<&Arc<dyn LanguageModel>> {
944 self.model.as_ref()
945 }
946
947 pub fn set_model(&mut self, model: Arc<dyn LanguageModel>, cx: &mut Context<Self>) {
948 let old_usage = self.latest_token_usage();
949 self.model = Some(model);
950 let new_caps = Self::prompt_capabilities(self.model.as_deref());
951 let new_usage = self.latest_token_usage();
952 if old_usage != new_usage {
953 cx.emit(TokenUsageUpdated(new_usage));
954 }
955 self.prompt_capabilities_tx.send(new_caps).log_err();
956 cx.notify()
957 }
958
959 pub fn summarization_model(&self) -> Option<&Arc<dyn LanguageModel>> {
960 self.summarization_model.as_ref()
961 }
962
963 pub fn set_summarization_model(
964 &mut self,
965 model: Option<Arc<dyn LanguageModel>>,
966 cx: &mut Context<Self>,
967 ) {
968 self.summarization_model = model;
969 cx.notify()
970 }
971
972 pub fn completion_mode(&self) -> CompletionMode {
973 self.completion_mode
974 }
975
976 pub fn set_completion_mode(&mut self, mode: CompletionMode, cx: &mut Context<Self>) {
977 let old_usage = self.latest_token_usage();
978 self.completion_mode = mode;
979 let new_usage = self.latest_token_usage();
980 if old_usage != new_usage {
981 cx.emit(TokenUsageUpdated(new_usage));
982 }
983 cx.notify()
984 }
985
986 #[cfg(any(test, feature = "test-support"))]
987 pub fn last_message(&self) -> Option<Message> {
988 if let Some(message) = self.pending_message.clone() {
989 Some(Message::Agent(message))
990 } else {
991 self.messages.last().cloned()
992 }
993 }
994
995 pub fn add_default_tools(
996 &mut self,
997 environment: Rc<dyn ThreadEnvironment>,
998 cx: &mut Context<Self>,
999 ) {
1000 let language_registry = self.project.read(cx).languages().clone();
1001 self.add_tool(CopyPathTool::new(self.project.clone()));
1002 self.add_tool(CreateDirectoryTool::new(self.project.clone()));
1003 self.add_tool(DeletePathTool::new(
1004 self.project.clone(),
1005 self.action_log.clone(),
1006 ));
1007 self.add_tool(DiagnosticsTool::new(self.project.clone()));
1008 self.add_tool(EditFileTool::new(
1009 self.project.clone(),
1010 cx.weak_entity(),
1011 language_registry,
1012 Templates::new(),
1013 ));
1014 self.add_tool(FetchTool::new(self.project.read(cx).client().http_client()));
1015 self.add_tool(FindPathTool::new(self.project.clone()));
1016 self.add_tool(GrepTool::new(self.project.clone()));
1017 self.add_tool(ListDirectoryTool::new(self.project.clone()));
1018 self.add_tool(MovePathTool::new(self.project.clone()));
1019 self.add_tool(NowTool);
1020 self.add_tool(OpenTool::new(self.project.clone()));
1021 self.add_tool(ReadFileTool::new(
1022 cx.weak_entity(),
1023 self.project.clone(),
1024 self.action_log.clone(),
1025 ));
1026 self.add_tool(SaveFileTool::new(self.project.clone()));
1027 self.add_tool(RestoreFileFromDiskTool::new(self.project.clone()));
1028 self.add_tool(TerminalTool::new(self.project.clone(), environment));
1029 self.add_tool(ThinkingTool);
1030 self.add_tool(WebSearchTool);
1031 }
1032
1033 pub fn add_tool<T: AgentTool>(&mut self, tool: T) {
1034 self.tools.insert(T::name().into(), tool.erase());
1035 }
1036
1037 pub fn remove_tool(&mut self, name: &str) -> bool {
1038 self.tools.remove(name).is_some()
1039 }
1040
1041 pub fn profile(&self) -> &AgentProfileId {
1042 &self.profile_id
1043 }
1044
1045 pub fn set_profile(&mut self, profile_id: AgentProfileId, cx: &mut Context<Self>) {
1046 if self.profile_id == profile_id {
1047 return;
1048 }
1049
1050 self.profile_id = profile_id;
1051
1052 // Swap to the profile's preferred model when available.
1053 if let Some(model) = Self::resolve_profile_model(&self.profile_id, cx) {
1054 self.set_model(model, cx);
1055 }
1056 }
1057
1058 pub fn cancel(&mut self, cx: &mut Context<Self>) -> Task<()> {
1059 let Some(running_turn) = self.running_turn.take() else {
1060 self.flush_pending_message(cx);
1061 return Task::ready(());
1062 };
1063
1064 let turn_task = running_turn.cancel();
1065
1066 cx.spawn(async move |this, cx| {
1067 turn_task.await;
1068 this.update(cx, |this, cx| {
1069 this.flush_pending_message(cx);
1070 })
1071 .ok();
1072 })
1073 }
1074
1075 fn update_token_usage(&mut self, update: language_model::TokenUsage, cx: &mut Context<Self>) {
1076 let Some(last_user_message) = self.last_user_message() else {
1077 return;
1078 };
1079
1080 self.request_token_usage
1081 .insert(last_user_message.id.clone(), update);
1082 cx.emit(TokenUsageUpdated(self.latest_token_usage()));
1083 cx.notify();
1084 }
1085
1086 pub fn truncate(&mut self, message_id: UserMessageId, cx: &mut Context<Self>) -> Result<()> {
1087 self.cancel(cx).detach();
1088 // Clear pending message since cancel will try to flush it asynchronously,
1089 // and we don't want that content to be added after we truncate
1090 self.pending_message.take();
1091 let Some(position) = self.messages.iter().position(
1092 |msg| matches!(msg, Message::User(UserMessage { id, .. }) if id == &message_id),
1093 ) else {
1094 return Err(anyhow!("Message not found"));
1095 };
1096
1097 for message in self.messages.drain(position..) {
1098 match message {
1099 Message::User(message) => {
1100 self.request_token_usage.remove(&message.id);
1101 }
1102 Message::Agent(_) | Message::Resume => {}
1103 }
1104 }
1105 self.clear_summary();
1106 cx.notify();
1107 Ok(())
1108 }
1109
1110 pub fn latest_request_token_usage(&self) -> Option<language_model::TokenUsage> {
1111 let last_user_message = self.last_user_message()?;
1112 let tokens = self.request_token_usage.get(&last_user_message.id)?;
1113 Some(*tokens)
1114 }
1115
1116 pub fn latest_token_usage(&self) -> Option<acp_thread::TokenUsage> {
1117 let usage = self.latest_request_token_usage()?;
1118 let model = self.model.clone()?;
1119 Some(acp_thread::TokenUsage {
1120 max_tokens: model.max_token_count_for_mode(self.completion_mode.into()),
1121 used_tokens: usage.total_tokens(),
1122 })
1123 }
1124
1125 /// Get the total input token count as of the message before the given message.
1126 ///
1127 /// Returns `None` if:
1128 /// - `target_id` is the first message (no previous message)
1129 /// - The previous message hasn't received a response yet (no usage data)
1130 /// - `target_id` is not found in the messages
1131 pub fn tokens_before_message(&self, target_id: &UserMessageId) -> Option<u64> {
1132 let mut previous_user_message_id: Option<&UserMessageId> = None;
1133
1134 for message in &self.messages {
1135 if let Message::User(user_msg) = message {
1136 if &user_msg.id == target_id {
1137 let prev_id = previous_user_message_id?;
1138 let usage = self.request_token_usage.get(prev_id)?;
1139 return Some(usage.input_tokens);
1140 }
1141 previous_user_message_id = Some(&user_msg.id);
1142 }
1143 }
1144 None
1145 }
1146
1147 /// Look up the active profile and resolve its preferred model if one is configured.
1148 fn resolve_profile_model(
1149 profile_id: &AgentProfileId,
1150 cx: &mut Context<Self>,
1151 ) -> Option<Arc<dyn LanguageModel>> {
1152 let selection = AgentSettings::get_global(cx)
1153 .profiles
1154 .get(profile_id)?
1155 .default_model
1156 .clone()?;
1157 Self::resolve_model_from_selection(&selection, cx)
1158 }
1159
1160 /// Translate a stored model selection into the configured model from the registry.
1161 fn resolve_model_from_selection(
1162 selection: &LanguageModelSelection,
1163 cx: &mut Context<Self>,
1164 ) -> Option<Arc<dyn LanguageModel>> {
1165 let selected = SelectedModel {
1166 provider: LanguageModelProviderId::from(selection.provider.0.clone()),
1167 model: LanguageModelId::from(selection.model.clone()),
1168 };
1169 LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
1170 registry
1171 .select_model(&selected, cx)
1172 .map(|configured| configured.model)
1173 })
1174 }
1175
1176 pub fn resume(
1177 &mut self,
1178 cx: &mut Context<Self>,
1179 ) -> Result<mpsc::UnboundedReceiver<Result<ThreadEvent>>> {
1180 self.messages.push(Message::Resume);
1181 cx.notify();
1182
1183 log::debug!("Total messages in thread: {}", self.messages.len());
1184 self.run_turn(cx)
1185 }
1186
1187 /// Sending a message results in the model streaming a response, which could include tool calls.
1188 /// After calling tools, the model will stops and waits for any outstanding tool calls to be completed and their results sent.
1189 /// The returned channel will report all the occurrences in which the model stops before erroring or ending its turn.
1190 pub fn send<T>(
1191 &mut self,
1192 id: UserMessageId,
1193 content: impl IntoIterator<Item = T>,
1194 cx: &mut Context<Self>,
1195 ) -> Result<mpsc::UnboundedReceiver<Result<ThreadEvent>>>
1196 where
1197 T: Into<UserMessageContent>,
1198 {
1199 let content = content.into_iter().map(Into::into).collect::<Vec<_>>();
1200 log::debug!("Thread::send content: {:?}", content);
1201
1202 self.messages
1203 .push(Message::User(UserMessage { id, content }));
1204 cx.notify();
1205
1206 self.send_existing(cx)
1207 }
1208
1209 pub fn send_existing(
1210 &mut self,
1211 cx: &mut Context<Self>,
1212 ) -> Result<mpsc::UnboundedReceiver<Result<ThreadEvent>>> {
1213 let model = self.model().context("No language model configured")?;
1214
1215 log::info!("Thread::send called with model: {}", model.name().0);
1216 self.advance_prompt_id();
1217
1218 log::debug!("Total messages in thread: {}", self.messages.len());
1219 self.run_turn(cx)
1220 }
1221
1222 pub fn push_acp_user_block(
1223 &mut self,
1224 id: UserMessageId,
1225 blocks: impl IntoIterator<Item = acp::ContentBlock>,
1226 path_style: PathStyle,
1227 cx: &mut Context<Self>,
1228 ) {
1229 let content = blocks
1230 .into_iter()
1231 .map(|block| UserMessageContent::from_content_block(block, path_style))
1232 .collect::<Vec<_>>();
1233 self.messages
1234 .push(Message::User(UserMessage { id, content }));
1235 cx.notify();
1236 }
1237
1238 pub fn push_acp_agent_block(&mut self, block: acp::ContentBlock, cx: &mut Context<Self>) {
1239 let text = match block {
1240 acp::ContentBlock::Text(text_content) => text_content.text,
1241 acp::ContentBlock::Image(_) => "[image]".to_string(),
1242 acp::ContentBlock::Audio(_) => "[audio]".to_string(),
1243 acp::ContentBlock::ResourceLink(resource_link) => resource_link.uri,
1244 acp::ContentBlock::Resource(resource) => match resource.resource {
1245 acp::EmbeddedResourceResource::TextResourceContents(resource) => resource.uri,
1246 acp::EmbeddedResourceResource::BlobResourceContents(resource) => resource.uri,
1247 _ => "[resource]".to_string(),
1248 },
1249 _ => "[unknown]".to_string(),
1250 };
1251
1252 self.messages.push(Message::Agent(AgentMessage {
1253 content: vec![AgentMessageContent::Text(text)],
1254 ..Default::default()
1255 }));
1256 cx.notify();
1257 }
1258
1259 #[cfg(feature = "eval")]
1260 pub fn proceed(
1261 &mut self,
1262 cx: &mut Context<Self>,
1263 ) -> Result<mpsc::UnboundedReceiver<Result<ThreadEvent>>> {
1264 self.run_turn(cx)
1265 }
1266
1267 fn run_turn(
1268 &mut self,
1269 cx: &mut Context<Self>,
1270 ) -> Result<mpsc::UnboundedReceiver<Result<ThreadEvent>>> {
1271 // Flush the old pending message synchronously before cancelling,
1272 // to avoid a race where the detached cancel task might flush the NEW
1273 // turn's pending message instead of the old one.
1274 self.flush_pending_message(cx);
1275 self.cancel(cx).detach();
1276
1277 let model = self.model.clone().context("No language model configured")?;
1278 let profile = AgentSettings::get_global(cx)
1279 .profiles
1280 .get(&self.profile_id)
1281 .context("Profile not found")?;
1282 let (events_tx, events_rx) = mpsc::unbounded::<Result<ThreadEvent>>();
1283 let event_stream = ThreadEventStream(events_tx);
1284 let message_ix = self.messages.len().saturating_sub(1);
1285 self.tool_use_limit_reached = false;
1286 self.clear_summary();
1287 let (cancellation_tx, mut cancellation_rx) = watch::channel(false);
1288 self.running_turn = Some(RunningTurn {
1289 event_stream: event_stream.clone(),
1290 tools: self.enabled_tools(profile, &model, cx),
1291 cancellation_tx,
1292 _task: cx.spawn(async move |this, cx| {
1293 log::debug!("Starting agent turn execution");
1294
1295 let turn_result = Self::run_turn_internal(
1296 &this,
1297 model,
1298 &event_stream,
1299 cancellation_rx.clone(),
1300 cx,
1301 )
1302 .await;
1303
1304 // Check if we were cancelled - if so, cancel() already took running_turn
1305 // and we shouldn't touch it (it might be a NEW turn now)
1306 let was_cancelled = *cancellation_rx.borrow();
1307 if was_cancelled {
1308 log::debug!("Turn was cancelled, skipping cleanup");
1309 return;
1310 }
1311
1312 _ = this.update(cx, |this, cx| this.flush_pending_message(cx));
1313
1314 match turn_result {
1315 Ok(()) => {
1316 log::debug!("Turn execution completed");
1317 event_stream.send_stop(acp::StopReason::EndTurn);
1318 }
1319 Err(error) => {
1320 log::error!("Turn execution failed: {:?}", error);
1321 match error.downcast::<CompletionError>() {
1322 Ok(CompletionError::Refusal) => {
1323 event_stream.send_stop(acp::StopReason::Refusal);
1324 _ = this.update(cx, |this, _| this.messages.truncate(message_ix));
1325 }
1326 Ok(CompletionError::MaxTokens) => {
1327 event_stream.send_stop(acp::StopReason::MaxTokens);
1328 }
1329 Ok(CompletionError::Other(error)) | Err(error) => {
1330 event_stream.send_error(error);
1331 }
1332 }
1333 }
1334 }
1335
1336 _ = this.update(cx, |this, _| this.running_turn.take());
1337 }),
1338 });
1339 Ok(events_rx)
1340 }
1341
1342 async fn run_turn_internal(
1343 this: &WeakEntity<Self>,
1344 model: Arc<dyn LanguageModel>,
1345 event_stream: &ThreadEventStream,
1346 mut cancellation_rx: watch::Receiver<bool>,
1347 cx: &mut AsyncApp,
1348 ) -> Result<()> {
1349 let mut attempt = 0;
1350 let mut intent = CompletionIntent::UserPrompt;
1351 loop {
1352 let request =
1353 this.update(cx, |this, cx| this.build_completion_request(intent, cx))??;
1354
1355 telemetry::event!(
1356 "Agent Thread Completion",
1357 thread_id = this.read_with(cx, |this, _| this.id.to_string())?,
1358 prompt_id = this.read_with(cx, |this, _| this.prompt_id.to_string())?,
1359 model = model.telemetry_id(),
1360 model_provider = model.provider_id().to_string(),
1361 attempt
1362 );
1363
1364 log::debug!("Calling model.stream_completion, attempt {}", attempt);
1365
1366 let (mut events, mut error) = match model.stream_completion(request, cx).await {
1367 Ok(events) => (events, None),
1368 Err(err) => (stream::empty().boxed(), Some(err)),
1369 };
1370 let mut tool_results = FuturesUnordered::new();
1371 let mut cancelled = false;
1372 loop {
1373 // Race between getting the next event and cancellation
1374 let event = futures::select! {
1375 event = events.next().fuse() => event,
1376 _ = cancellation_rx.changed().fuse() => {
1377 if *cancellation_rx.borrow() {
1378 cancelled = true;
1379 break;
1380 }
1381 continue;
1382 }
1383 };
1384 let Some(event) = event else {
1385 break;
1386 };
1387 log::trace!("Received completion event: {:?}", event);
1388 match event {
1389 Ok(event) => {
1390 tool_results.extend(this.update(cx, |this, cx| {
1391 this.handle_completion_event(
1392 event,
1393 event_stream,
1394 cancellation_rx.clone(),
1395 cx,
1396 )
1397 })??);
1398 }
1399 Err(err) => {
1400 error = Some(err);
1401 break;
1402 }
1403 }
1404 }
1405
1406 let end_turn = tool_results.is_empty();
1407 while let Some(tool_result) = tool_results.next().await {
1408 log::debug!("Tool finished {:?}", tool_result);
1409
1410 event_stream.update_tool_call_fields(
1411 &tool_result.tool_use_id,
1412 acp::ToolCallUpdateFields::new()
1413 .status(if tool_result.is_error {
1414 acp::ToolCallStatus::Failed
1415 } else {
1416 acp::ToolCallStatus::Completed
1417 })
1418 .raw_output(tool_result.output.clone()),
1419 );
1420 this.update(cx, |this, _cx| {
1421 this.pending_message()
1422 .tool_results
1423 .insert(tool_result.tool_use_id.clone(), tool_result);
1424 })?;
1425 }
1426
1427 this.update(cx, |this, cx| {
1428 this.flush_pending_message(cx);
1429 if this.title.is_none() && this.pending_title_generation.is_none() {
1430 this.generate_title(cx);
1431 }
1432 })?;
1433
1434 if cancelled {
1435 log::debug!("Turn cancelled by user, exiting");
1436 return Ok(());
1437 }
1438
1439 if let Some(error) = error {
1440 attempt += 1;
1441 let retry = this.update(cx, |this, cx| {
1442 let user_store = this.user_store.read(cx);
1443 this.handle_completion_error(error, attempt, user_store.plan())
1444 })??;
1445 let timer = cx.background_executor().timer(retry.duration);
1446 event_stream.send_retry(retry);
1447 timer.await;
1448 this.update(cx, |this, _cx| {
1449 if let Some(Message::Agent(message)) = this.messages.last() {
1450 if message.tool_results.is_empty() {
1451 intent = CompletionIntent::UserPrompt;
1452 this.messages.push(Message::Resume);
1453 }
1454 }
1455 })?;
1456 } else if this.read_with(cx, |this, _| this.tool_use_limit_reached)? {
1457 return Err(language_model::ToolUseLimitReachedError.into());
1458 } else if end_turn {
1459 return Ok(());
1460 } else {
1461 intent = CompletionIntent::ToolResults;
1462 attempt = 0;
1463 }
1464 }
1465 }
1466
1467 fn handle_completion_error(
1468 &mut self,
1469 error: LanguageModelCompletionError,
1470 attempt: u8,
1471 plan: Option<Plan>,
1472 ) -> Result<acp_thread::RetryStatus> {
1473 let Some(model) = self.model.as_ref() else {
1474 return Err(anyhow!(error));
1475 };
1476
1477 let auto_retry = if model.provider_id() == ZED_CLOUD_PROVIDER_ID {
1478 match plan {
1479 Some(Plan::V2(_)) => true,
1480 Some(Plan::V1(_)) => self.completion_mode == CompletionMode::Burn,
1481 None => false,
1482 }
1483 } else {
1484 true
1485 };
1486
1487 if !auto_retry {
1488 return Err(anyhow!(error));
1489 }
1490
1491 let Some(strategy) = Self::retry_strategy_for(&error) else {
1492 return Err(anyhow!(error));
1493 };
1494
1495 let max_attempts = match &strategy {
1496 RetryStrategy::ExponentialBackoff { max_attempts, .. } => *max_attempts,
1497 RetryStrategy::Fixed { max_attempts, .. } => *max_attempts,
1498 };
1499
1500 if attempt > max_attempts {
1501 return Err(anyhow!(error));
1502 }
1503
1504 let delay = match &strategy {
1505 RetryStrategy::ExponentialBackoff { initial_delay, .. } => {
1506 let delay_secs = initial_delay.as_secs() * 2u64.pow((attempt - 1) as u32);
1507 Duration::from_secs(delay_secs)
1508 }
1509 RetryStrategy::Fixed { delay, .. } => *delay,
1510 };
1511 log::debug!("Retry attempt {attempt} with delay {delay:?}");
1512
1513 Ok(acp_thread::RetryStatus {
1514 last_error: error.to_string().into(),
1515 attempt: attempt as usize,
1516 max_attempts: max_attempts as usize,
1517 started_at: Instant::now(),
1518 duration: delay,
1519 })
1520 }
1521
1522 /// A helper method that's called on every streamed completion event.
1523 /// Returns an optional tool result task, which the main agentic loop will
1524 /// send back to the model when it resolves.
1525 fn handle_completion_event(
1526 &mut self,
1527 event: LanguageModelCompletionEvent,
1528 event_stream: &ThreadEventStream,
1529 cancellation_rx: watch::Receiver<bool>,
1530 cx: &mut Context<Self>,
1531 ) -> Result<Option<Task<LanguageModelToolResult>>> {
1532 log::trace!("Handling streamed completion event: {:?}", event);
1533 use LanguageModelCompletionEvent::*;
1534
1535 match event {
1536 StartMessage { .. } => {
1537 self.flush_pending_message(cx);
1538 self.pending_message = Some(AgentMessage::default());
1539 }
1540 Text(new_text) => self.handle_text_event(new_text, event_stream, cx),
1541 Thinking { text, signature } => {
1542 self.handle_thinking_event(text, signature, event_stream, cx)
1543 }
1544 RedactedThinking { data } => self.handle_redacted_thinking_event(data, cx),
1545 ReasoningDetails(details) => {
1546 let last_message = self.pending_message();
1547 // Store the last non-empty reasoning_details (overwrites earlier ones)
1548 // This ensures we keep the encrypted reasoning with signatures, not the early text reasoning
1549 if let serde_json::Value::Array(ref arr) = details {
1550 if !arr.is_empty() {
1551 last_message.reasoning_details = Some(details);
1552 }
1553 } else {
1554 last_message.reasoning_details = Some(details);
1555 }
1556 }
1557 ToolUse(tool_use) => {
1558 return Ok(self.handle_tool_use_event(tool_use, event_stream, cancellation_rx, cx));
1559 }
1560 ToolUseJsonParseError {
1561 id,
1562 tool_name,
1563 raw_input,
1564 json_parse_error,
1565 } => {
1566 return Ok(Some(Task::ready(
1567 self.handle_tool_use_json_parse_error_event(
1568 id,
1569 tool_name,
1570 raw_input,
1571 json_parse_error,
1572 ),
1573 )));
1574 }
1575 UsageUpdate(usage) => {
1576 telemetry::event!(
1577 "Agent Thread Completion Usage Updated",
1578 thread_id = self.id.to_string(),
1579 prompt_id = self.prompt_id.to_string(),
1580 model = self.model.as_ref().map(|m| m.telemetry_id()),
1581 model_provider = self.model.as_ref().map(|m| m.provider_id().to_string()),
1582 input_tokens = usage.input_tokens,
1583 output_tokens = usage.output_tokens,
1584 cache_creation_input_tokens = usage.cache_creation_input_tokens,
1585 cache_read_input_tokens = usage.cache_read_input_tokens,
1586 );
1587 self.update_token_usage(usage, cx);
1588 }
1589 UsageUpdated { amount, limit } => {
1590 self.update_model_request_usage(amount, limit, cx);
1591 }
1592 ToolUseLimitReached => {
1593 self.tool_use_limit_reached = true;
1594 }
1595 Stop(StopReason::Refusal) => return Err(CompletionError::Refusal.into()),
1596 Stop(StopReason::MaxTokens) => return Err(CompletionError::MaxTokens.into()),
1597 Stop(StopReason::ToolUse | StopReason::EndTurn) => {}
1598 Started | Queued { .. } => {}
1599 }
1600
1601 Ok(None)
1602 }
1603
1604 fn handle_text_event(
1605 &mut self,
1606 new_text: String,
1607 event_stream: &ThreadEventStream,
1608 cx: &mut Context<Self>,
1609 ) {
1610 event_stream.send_text(&new_text);
1611
1612 let last_message = self.pending_message();
1613 if let Some(AgentMessageContent::Text(text)) = last_message.content.last_mut() {
1614 text.push_str(&new_text);
1615 } else {
1616 last_message
1617 .content
1618 .push(AgentMessageContent::Text(new_text));
1619 }
1620
1621 cx.notify();
1622 }
1623
1624 fn handle_thinking_event(
1625 &mut self,
1626 new_text: String,
1627 new_signature: Option<String>,
1628 event_stream: &ThreadEventStream,
1629 cx: &mut Context<Self>,
1630 ) {
1631 event_stream.send_thinking(&new_text);
1632
1633 let last_message = self.pending_message();
1634 if let Some(AgentMessageContent::Thinking { text, signature }) =
1635 last_message.content.last_mut()
1636 {
1637 text.push_str(&new_text);
1638 *signature = new_signature.or(signature.take());
1639 } else {
1640 last_message.content.push(AgentMessageContent::Thinking {
1641 text: new_text,
1642 signature: new_signature,
1643 });
1644 }
1645
1646 cx.notify();
1647 }
1648
1649 fn handle_redacted_thinking_event(&mut self, data: String, cx: &mut Context<Self>) {
1650 let last_message = self.pending_message();
1651 last_message
1652 .content
1653 .push(AgentMessageContent::RedactedThinking(data));
1654 cx.notify();
1655 }
1656
1657 fn handle_tool_use_event(
1658 &mut self,
1659 tool_use: LanguageModelToolUse,
1660 event_stream: &ThreadEventStream,
1661 cancellation_rx: watch::Receiver<bool>,
1662 cx: &mut Context<Self>,
1663 ) -> Option<Task<LanguageModelToolResult>> {
1664 cx.notify();
1665
1666 let tool = self.tool(tool_use.name.as_ref());
1667 let mut title = SharedString::from(&tool_use.name);
1668 let mut kind = acp::ToolKind::Other;
1669 if let Some(tool) = tool.as_ref() {
1670 title = tool.initial_title(tool_use.input.clone(), cx);
1671 kind = tool.kind();
1672 }
1673
1674 // Ensure the last message ends in the current tool use
1675 let last_message = self.pending_message();
1676 let push_new_tool_use = last_message.content.last_mut().is_none_or(|content| {
1677 if let AgentMessageContent::ToolUse(last_tool_use) = content {
1678 if last_tool_use.id == tool_use.id {
1679 *last_tool_use = tool_use.clone();
1680 false
1681 } else {
1682 true
1683 }
1684 } else {
1685 true
1686 }
1687 });
1688
1689 if push_new_tool_use {
1690 event_stream.send_tool_call(
1691 &tool_use.id,
1692 &tool_use.name,
1693 title,
1694 kind,
1695 tool_use.input.clone(),
1696 );
1697 last_message
1698 .content
1699 .push(AgentMessageContent::ToolUse(tool_use.clone()));
1700 } else {
1701 event_stream.update_tool_call_fields(
1702 &tool_use.id,
1703 acp::ToolCallUpdateFields::new()
1704 .title(title.as_str())
1705 .kind(kind)
1706 .raw_input(tool_use.input.clone()),
1707 );
1708 }
1709
1710 if !tool_use.is_input_complete {
1711 return None;
1712 }
1713
1714 let Some(tool) = tool else {
1715 let content = format!("No tool named {} exists", tool_use.name);
1716 return Some(Task::ready(LanguageModelToolResult {
1717 content: LanguageModelToolResultContent::Text(Arc::from(content)),
1718 tool_use_id: tool_use.id,
1719 tool_name: tool_use.name,
1720 is_error: true,
1721 output: None,
1722 }));
1723 };
1724
1725 let fs = self.project.read(cx).fs().clone();
1726 let tool_event_stream = ToolCallEventStream::new(
1727 tool_use.id.clone(),
1728 event_stream.clone(),
1729 Some(fs),
1730 cancellation_rx,
1731 );
1732 tool_event_stream.update_fields(
1733 acp::ToolCallUpdateFields::new().status(acp::ToolCallStatus::InProgress),
1734 );
1735 let supports_images = self.model().is_some_and(|model| model.supports_images());
1736 let tool_result = tool.run(tool_use.input, tool_event_stream, cx);
1737 log::debug!("Running tool {}", tool_use.name);
1738 Some(cx.foreground_executor().spawn(async move {
1739 let tool_result = tool_result.await.and_then(|output| {
1740 if let LanguageModelToolResultContent::Image(_) = &output.llm_output
1741 && !supports_images
1742 {
1743 return Err(anyhow!(
1744 "Attempted to read an image, but this model doesn't support it.",
1745 ));
1746 }
1747 Ok(output)
1748 });
1749
1750 match tool_result {
1751 Ok(output) => LanguageModelToolResult {
1752 tool_use_id: tool_use.id,
1753 tool_name: tool_use.name,
1754 is_error: false,
1755 content: output.llm_output,
1756 output: Some(output.raw_output),
1757 },
1758 Err(error) => LanguageModelToolResult {
1759 tool_use_id: tool_use.id,
1760 tool_name: tool_use.name,
1761 is_error: true,
1762 content: LanguageModelToolResultContent::Text(Arc::from(error.to_string())),
1763 output: Some(error.to_string().into()),
1764 },
1765 }
1766 }))
1767 }
1768
1769 fn handle_tool_use_json_parse_error_event(
1770 &mut self,
1771 tool_use_id: LanguageModelToolUseId,
1772 tool_name: Arc<str>,
1773 raw_input: Arc<str>,
1774 json_parse_error: String,
1775 ) -> LanguageModelToolResult {
1776 let tool_output = format!("Error parsing input JSON: {json_parse_error}");
1777 LanguageModelToolResult {
1778 tool_use_id,
1779 tool_name,
1780 is_error: true,
1781 content: LanguageModelToolResultContent::Text(tool_output.into()),
1782 output: Some(serde_json::Value::String(raw_input.to_string())),
1783 }
1784 }
1785
1786 fn update_model_request_usage(&self, amount: usize, limit: UsageLimit, cx: &mut Context<Self>) {
1787 self.project
1788 .read(cx)
1789 .user_store()
1790 .update(cx, |user_store, cx| {
1791 user_store.update_model_request_usage(
1792 ModelRequestUsage(RequestUsage {
1793 amount: amount as i32,
1794 limit,
1795 }),
1796 cx,
1797 )
1798 });
1799 }
1800
1801 pub fn title(&self) -> SharedString {
1802 self.title.clone().unwrap_or("New Thread".into())
1803 }
1804
1805 pub fn is_generating_summary(&self) -> bool {
1806 self.pending_summary_generation.is_some()
1807 }
1808
1809 pub fn is_generating_title(&self) -> bool {
1810 self.pending_title_generation.is_some()
1811 }
1812
1813 pub fn summary(&mut self, cx: &mut Context<Self>) -> Shared<Task<Option<SharedString>>> {
1814 if let Some(summary) = self.summary.as_ref() {
1815 return Task::ready(Some(summary.clone())).shared();
1816 }
1817 if let Some(task) = self.pending_summary_generation.clone() {
1818 return task;
1819 }
1820 let Some(model) = self.summarization_model.clone() else {
1821 log::error!("No summarization model available");
1822 return Task::ready(None).shared();
1823 };
1824 let mut request = LanguageModelRequest {
1825 intent: Some(CompletionIntent::ThreadContextSummarization),
1826 temperature: AgentSettings::temperature_for_model(&model, cx),
1827 ..Default::default()
1828 };
1829
1830 for message in &self.messages {
1831 request.messages.extend(message.to_request());
1832 }
1833
1834 request.messages.push(LanguageModelRequestMessage {
1835 role: Role::User,
1836 content: vec![SUMMARIZE_THREAD_DETAILED_PROMPT.into()],
1837 cache: false,
1838 reasoning_details: None,
1839 });
1840
1841 let task = cx
1842 .spawn(async move |this, cx| {
1843 let mut summary = String::new();
1844 let mut messages = model.stream_completion(request, cx).await.log_err()?;
1845 while let Some(event) = messages.next().await {
1846 let event = event.log_err()?;
1847 let text = match event {
1848 LanguageModelCompletionEvent::Text(text) => text,
1849 LanguageModelCompletionEvent::UsageUpdated { amount, limit } => {
1850 this.update(cx, |thread, cx| {
1851 thread.update_model_request_usage(amount, limit, cx);
1852 })
1853 .ok()?;
1854 continue;
1855 }
1856 _ => continue,
1857 };
1858
1859 let mut lines = text.lines();
1860 summary.extend(lines.next());
1861 }
1862
1863 log::debug!("Setting summary: {}", summary);
1864 let summary = SharedString::from(summary);
1865
1866 this.update(cx, |this, cx| {
1867 this.summary = Some(summary.clone());
1868 this.pending_summary_generation = None;
1869 cx.notify()
1870 })
1871 .ok()?;
1872
1873 Some(summary)
1874 })
1875 .shared();
1876 self.pending_summary_generation = Some(task.clone());
1877 task
1878 }
1879
1880 pub fn generate_title(&mut self, cx: &mut Context<Self>) {
1881 let Some(model) = self.summarization_model.clone() else {
1882 return;
1883 };
1884
1885 log::debug!(
1886 "Generating title with model: {:?}",
1887 self.summarization_model.as_ref().map(|model| model.name())
1888 );
1889 let mut request = LanguageModelRequest {
1890 intent: Some(CompletionIntent::ThreadSummarization),
1891 temperature: AgentSettings::temperature_for_model(&model, cx),
1892 ..Default::default()
1893 };
1894
1895 for message in &self.messages {
1896 request.messages.extend(message.to_request());
1897 }
1898
1899 request.messages.push(LanguageModelRequestMessage {
1900 role: Role::User,
1901 content: vec![SUMMARIZE_THREAD_PROMPT.into()],
1902 cache: false,
1903 reasoning_details: None,
1904 });
1905 self.pending_title_generation = Some(cx.spawn(async move |this, cx| {
1906 let mut title = String::new();
1907
1908 let generate = async {
1909 let mut messages = model.stream_completion(request, cx).await?;
1910 while let Some(event) = messages.next().await {
1911 let event = event?;
1912 let text = match event {
1913 LanguageModelCompletionEvent::Text(text) => text,
1914 LanguageModelCompletionEvent::UsageUpdated { amount, limit } => {
1915 this.update(cx, |thread, cx| {
1916 thread.update_model_request_usage(amount, limit, cx);
1917 })?;
1918 continue;
1919 }
1920 _ => continue,
1921 };
1922
1923 let mut lines = text.lines();
1924 title.extend(lines.next());
1925
1926 // Stop if the LLM generated multiple lines.
1927 if lines.next().is_some() {
1928 break;
1929 }
1930 }
1931 anyhow::Ok(())
1932 };
1933
1934 if generate.await.context("failed to generate title").is_ok() {
1935 _ = this.update(cx, |this, cx| this.set_title(title.into(), cx));
1936 }
1937 _ = this.update(cx, |this, _| this.pending_title_generation = None);
1938 }));
1939 }
1940
1941 pub fn set_title(&mut self, title: SharedString, cx: &mut Context<Self>) {
1942 self.pending_title_generation = None;
1943 if Some(&title) != self.title.as_ref() {
1944 self.title = Some(title);
1945 cx.emit(TitleUpdated);
1946 cx.notify();
1947 }
1948 }
1949
1950 fn clear_summary(&mut self) {
1951 self.summary = None;
1952 self.pending_summary_generation = None;
1953 }
1954
1955 fn last_user_message(&self) -> Option<&UserMessage> {
1956 self.messages
1957 .iter()
1958 .rev()
1959 .find_map(|message| match message {
1960 Message::User(user_message) => Some(user_message),
1961 Message::Agent(_) => None,
1962 Message::Resume => None,
1963 })
1964 }
1965
1966 fn pending_message(&mut self) -> &mut AgentMessage {
1967 self.pending_message.get_or_insert_default()
1968 }
1969
1970 fn flush_pending_message(&mut self, cx: &mut Context<Self>) {
1971 let Some(mut message) = self.pending_message.take() else {
1972 return;
1973 };
1974
1975 if message.content.is_empty() {
1976 return;
1977 }
1978
1979 for content in &message.content {
1980 let AgentMessageContent::ToolUse(tool_use) = content else {
1981 continue;
1982 };
1983
1984 if !message.tool_results.contains_key(&tool_use.id) {
1985 message.tool_results.insert(
1986 tool_use.id.clone(),
1987 LanguageModelToolResult {
1988 tool_use_id: tool_use.id.clone(),
1989 tool_name: tool_use.name.clone(),
1990 is_error: true,
1991 content: LanguageModelToolResultContent::Text(TOOL_CANCELED_MESSAGE.into()),
1992 output: None,
1993 },
1994 );
1995 }
1996 }
1997
1998 self.messages.push(Message::Agent(message));
1999 self.updated_at = Utc::now();
2000 self.clear_summary();
2001 cx.notify()
2002 }
2003
2004 pub(crate) fn build_completion_request(
2005 &self,
2006 completion_intent: CompletionIntent,
2007 cx: &App,
2008 ) -> Result<LanguageModelRequest> {
2009 let model = self.model().context("No language model configured")?;
2010 let tools = if let Some(turn) = self.running_turn.as_ref() {
2011 turn.tools
2012 .iter()
2013 .filter_map(|(tool_name, tool)| {
2014 log::trace!("Including tool: {}", tool_name);
2015 Some(LanguageModelRequestTool {
2016 name: tool_name.to_string(),
2017 description: tool.description().to_string(),
2018 input_schema: tool.input_schema(model.tool_input_format()).log_err()?,
2019 })
2020 })
2021 .collect::<Vec<_>>()
2022 } else {
2023 Vec::new()
2024 };
2025
2026 log::debug!("Building completion request");
2027 log::debug!("Completion intent: {:?}", completion_intent);
2028 log::debug!("Completion mode: {:?}", self.completion_mode);
2029
2030 let available_tools: Vec<_> = self
2031 .running_turn
2032 .as_ref()
2033 .map(|turn| turn.tools.keys().cloned().collect())
2034 .unwrap_or_default();
2035
2036 log::debug!("Request includes {} tools", available_tools.len());
2037 let messages = self.build_request_messages(available_tools, cx);
2038 log::debug!("Request will include {} messages", messages.len());
2039
2040 let request = LanguageModelRequest {
2041 thread_id: Some(self.id.to_string()),
2042 prompt_id: Some(self.prompt_id.to_string()),
2043 intent: Some(completion_intent),
2044 mode: Some(self.completion_mode.into()),
2045 messages,
2046 tools,
2047 tool_choice: None,
2048 stop: Vec::new(),
2049 temperature: AgentSettings::temperature_for_model(model, cx),
2050 thinking_allowed: true,
2051 };
2052
2053 log::debug!("Completion request built successfully");
2054 Ok(request)
2055 }
2056
2057 fn enabled_tools(
2058 &self,
2059 profile: &AgentProfileSettings,
2060 model: &Arc<dyn LanguageModel>,
2061 cx: &App,
2062 ) -> BTreeMap<SharedString, Arc<dyn AnyAgentTool>> {
2063 fn truncate(tool_name: &SharedString) -> SharedString {
2064 if tool_name.len() > MAX_TOOL_NAME_LENGTH {
2065 let mut truncated = tool_name.to_string();
2066 truncated.truncate(MAX_TOOL_NAME_LENGTH);
2067 truncated.into()
2068 } else {
2069 tool_name.clone()
2070 }
2071 }
2072
2073 let mut tools = self
2074 .tools
2075 .iter()
2076 .filter_map(|(tool_name, tool)| {
2077 if tool.supports_provider(&model.provider_id())
2078 && profile.is_tool_enabled(tool_name)
2079 {
2080 Some((truncate(tool_name), tool.clone()))
2081 } else {
2082 None
2083 }
2084 })
2085 .collect::<BTreeMap<_, _>>();
2086
2087 let mut context_server_tools = Vec::new();
2088 let mut seen_tools = tools.keys().cloned().collect::<HashSet<_>>();
2089 let mut duplicate_tool_names = HashSet::default();
2090 for (server_id, server_tools) in self.context_server_registry.read(cx).servers() {
2091 for (tool_name, tool) in server_tools {
2092 if profile.is_context_server_tool_enabled(&server_id.0, &tool_name) {
2093 let tool_name = truncate(tool_name);
2094 if !seen_tools.insert(tool_name.clone()) {
2095 duplicate_tool_names.insert(tool_name.clone());
2096 }
2097 context_server_tools.push((server_id.clone(), tool_name, tool.clone()));
2098 }
2099 }
2100 }
2101
2102 // When there are duplicate tool names, disambiguate by prefixing them
2103 // with the server ID. In the rare case there isn't enough space for the
2104 // disambiguated tool name, keep only the last tool with this name.
2105 for (server_id, tool_name, tool) in context_server_tools {
2106 if duplicate_tool_names.contains(&tool_name) {
2107 let available = MAX_TOOL_NAME_LENGTH.saturating_sub(tool_name.len());
2108 if available >= 2 {
2109 let mut disambiguated = server_id.0.to_string();
2110 disambiguated.truncate(available - 1);
2111 disambiguated.push('_');
2112 disambiguated.push_str(&tool_name);
2113 tools.insert(disambiguated.into(), tool.clone());
2114 } else {
2115 tools.insert(tool_name, tool.clone());
2116 }
2117 } else {
2118 tools.insert(tool_name, tool.clone());
2119 }
2120 }
2121
2122 tools
2123 }
2124
2125 fn tool(&self, name: &str) -> Option<Arc<dyn AnyAgentTool>> {
2126 self.running_turn.as_ref()?.tools.get(name).cloned()
2127 }
2128
2129 pub fn has_tool(&self, name: &str) -> bool {
2130 self.running_turn
2131 .as_ref()
2132 .is_some_and(|turn| turn.tools.contains_key(name))
2133 }
2134
2135 fn build_request_messages(
2136 &self,
2137 available_tools: Vec<SharedString>,
2138 cx: &App,
2139 ) -> Vec<LanguageModelRequestMessage> {
2140 log::trace!(
2141 "Building request messages from {} thread messages",
2142 self.messages.len()
2143 );
2144
2145 let system_prompt = SystemPromptTemplate {
2146 project: self.project_context.read(cx),
2147 available_tools,
2148 model_name: self.model.as_ref().map(|m| m.name().0.to_string()),
2149 }
2150 .render(&self.templates)
2151 .context("failed to build system prompt")
2152 .expect("Invalid template");
2153 let mut messages = vec![LanguageModelRequestMessage {
2154 role: Role::System,
2155 content: vec![system_prompt.into()],
2156 cache: false,
2157 reasoning_details: None,
2158 }];
2159 for message in &self.messages {
2160 messages.extend(message.to_request());
2161 }
2162
2163 if let Some(last_message) = messages.last_mut() {
2164 last_message.cache = true;
2165 }
2166
2167 if let Some(message) = self.pending_message.as_ref() {
2168 messages.extend(message.to_request());
2169 }
2170
2171 messages
2172 }
2173
2174 pub fn to_markdown(&self) -> String {
2175 let mut markdown = String::new();
2176 for (ix, message) in self.messages.iter().enumerate() {
2177 if ix > 0 {
2178 markdown.push('\n');
2179 }
2180 markdown.push_str(&message.to_markdown());
2181 }
2182
2183 if let Some(message) = self.pending_message.as_ref() {
2184 markdown.push('\n');
2185 markdown.push_str(&message.to_markdown());
2186 }
2187
2188 markdown
2189 }
2190
2191 fn advance_prompt_id(&mut self) {
2192 self.prompt_id = PromptId::new();
2193 }
2194
2195 fn retry_strategy_for(error: &LanguageModelCompletionError) -> Option<RetryStrategy> {
2196 use LanguageModelCompletionError::*;
2197 use http_client::StatusCode;
2198
2199 // General strategy here:
2200 // - If retrying won't help (e.g. invalid API key or payload too large), return None so we don't retry at all.
2201 // - If it's a time-based issue (e.g. server overloaded, rate limit exceeded), retry up to 4 times with exponential backoff.
2202 // - If it's an issue that *might* be fixed by retrying (e.g. internal server error), retry up to 3 times.
2203 match error {
2204 HttpResponseError {
2205 status_code: StatusCode::TOO_MANY_REQUESTS,
2206 ..
2207 } => Some(RetryStrategy::ExponentialBackoff {
2208 initial_delay: BASE_RETRY_DELAY,
2209 max_attempts: MAX_RETRY_ATTEMPTS,
2210 }),
2211 ServerOverloaded { retry_after, .. } | RateLimitExceeded { retry_after, .. } => {
2212 Some(RetryStrategy::Fixed {
2213 delay: retry_after.unwrap_or(BASE_RETRY_DELAY),
2214 max_attempts: MAX_RETRY_ATTEMPTS,
2215 })
2216 }
2217 UpstreamProviderError {
2218 status,
2219 retry_after,
2220 ..
2221 } => match *status {
2222 StatusCode::TOO_MANY_REQUESTS | StatusCode::SERVICE_UNAVAILABLE => {
2223 Some(RetryStrategy::Fixed {
2224 delay: retry_after.unwrap_or(BASE_RETRY_DELAY),
2225 max_attempts: MAX_RETRY_ATTEMPTS,
2226 })
2227 }
2228 StatusCode::INTERNAL_SERVER_ERROR => Some(RetryStrategy::Fixed {
2229 delay: retry_after.unwrap_or(BASE_RETRY_DELAY),
2230 // Internal Server Error could be anything, retry up to 3 times.
2231 max_attempts: 3,
2232 }),
2233 status => {
2234 // There is no StatusCode variant for the unofficial HTTP 529 ("The service is overloaded"),
2235 // but we frequently get them in practice. See https://http.dev/529
2236 if status.as_u16() == 529 {
2237 Some(RetryStrategy::Fixed {
2238 delay: retry_after.unwrap_or(BASE_RETRY_DELAY),
2239 max_attempts: MAX_RETRY_ATTEMPTS,
2240 })
2241 } else {
2242 Some(RetryStrategy::Fixed {
2243 delay: retry_after.unwrap_or(BASE_RETRY_DELAY),
2244 max_attempts: 2,
2245 })
2246 }
2247 }
2248 },
2249 ApiInternalServerError { .. } => Some(RetryStrategy::Fixed {
2250 delay: BASE_RETRY_DELAY,
2251 max_attempts: 3,
2252 }),
2253 ApiReadResponseError { .. }
2254 | HttpSend { .. }
2255 | DeserializeResponse { .. }
2256 | BadRequestFormat { .. } => Some(RetryStrategy::Fixed {
2257 delay: BASE_RETRY_DELAY,
2258 max_attempts: 3,
2259 }),
2260 // Retrying these errors definitely shouldn't help.
2261 HttpResponseError {
2262 status_code:
2263 StatusCode::PAYLOAD_TOO_LARGE | StatusCode::FORBIDDEN | StatusCode::UNAUTHORIZED,
2264 ..
2265 }
2266 | AuthenticationError { .. }
2267 | PermissionError { .. }
2268 | NoApiKey { .. }
2269 | ApiEndpointNotFound { .. }
2270 | PromptTooLarge { .. } => None,
2271 // These errors might be transient, so retry them
2272 SerializeRequest { .. } | BuildRequestBody { .. } => Some(RetryStrategy::Fixed {
2273 delay: BASE_RETRY_DELAY,
2274 max_attempts: 1,
2275 }),
2276 // Retry all other 4xx and 5xx errors once.
2277 HttpResponseError { status_code, .. }
2278 if status_code.is_client_error() || status_code.is_server_error() =>
2279 {
2280 Some(RetryStrategy::Fixed {
2281 delay: BASE_RETRY_DELAY,
2282 max_attempts: 3,
2283 })
2284 }
2285 Other(err)
2286 if err.is::<language_model::PaymentRequiredError>()
2287 || err.is::<language_model::ModelRequestLimitReachedError>() =>
2288 {
2289 // Retrying won't help for Payment Required or Model Request Limit errors (where
2290 // the user must upgrade to usage-based billing to get more requests, or else wait
2291 // for a significant amount of time for the request limit to reset).
2292 None
2293 }
2294 // Conservatively assume that any other errors are non-retryable
2295 HttpResponseError { .. } | Other(..) => Some(RetryStrategy::Fixed {
2296 delay: BASE_RETRY_DELAY,
2297 max_attempts: 2,
2298 }),
2299 }
2300 }
2301}
2302
2303struct RunningTurn {
2304 /// Holds the task that handles agent interaction until the end of the turn.
2305 /// Survives across multiple requests as the model performs tool calls and
2306 /// we run tools, report their results.
2307 _task: Task<()>,
2308 /// The current event stream for the running turn. Used to report a final
2309 /// cancellation event if we cancel the turn.
2310 event_stream: ThreadEventStream,
2311 /// The tools that were enabled for this turn.
2312 tools: BTreeMap<SharedString, Arc<dyn AnyAgentTool>>,
2313 /// Sender to signal tool cancellation. When cancel is called, this is
2314 /// set to true so all tools can detect user-initiated cancellation.
2315 cancellation_tx: watch::Sender<bool>,
2316}
2317
2318impl RunningTurn {
2319 fn cancel(mut self) -> Task<()> {
2320 log::debug!("Cancelling in progress turn");
2321 self.cancellation_tx.send(true).ok();
2322 self.event_stream.send_canceled();
2323 self._task
2324 }
2325}
2326
2327pub struct TokenUsageUpdated(pub Option<acp_thread::TokenUsage>);
2328
2329impl EventEmitter<TokenUsageUpdated> for Thread {}
2330
2331pub struct TitleUpdated;
2332
2333impl EventEmitter<TitleUpdated> for Thread {}
2334
2335pub trait AgentTool
2336where
2337 Self: 'static + Sized,
2338{
2339 type Input: for<'de> Deserialize<'de> + Serialize + JsonSchema;
2340 type Output: for<'de> Deserialize<'de> + Serialize + Into<LanguageModelToolResultContent>;
2341
2342 fn name() -> &'static str;
2343
2344 fn description() -> SharedString {
2345 let schema = schemars::schema_for!(Self::Input);
2346 SharedString::new(
2347 schema
2348 .get("description")
2349 .and_then(|description| description.as_str())
2350 .unwrap_or_default(),
2351 )
2352 }
2353
2354 fn kind() -> acp::ToolKind;
2355
2356 /// The initial tool title to display. Can be updated during the tool run.
2357 fn initial_title(
2358 &self,
2359 input: Result<Self::Input, serde_json::Value>,
2360 cx: &mut App,
2361 ) -> SharedString;
2362
2363 /// Returns the JSON schema that describes the tool's input.
2364 fn input_schema(format: LanguageModelToolSchemaFormat) -> Schema {
2365 language_model::tool_schema::root_schema_for::<Self::Input>(format)
2366 }
2367
2368 /// Some tools rely on a provider for the underlying billing or other reasons.
2369 /// Allow the tool to check if they are compatible, or should be filtered out.
2370 fn supports_provider(_provider: &LanguageModelProviderId) -> bool {
2371 true
2372 }
2373
2374 /// Runs the tool with the provided input.
2375 fn run(
2376 self: Arc<Self>,
2377 input: Self::Input,
2378 event_stream: ToolCallEventStream,
2379 cx: &mut App,
2380 ) -> Task<Result<Self::Output>>;
2381
2382 /// Emits events for a previous execution of the tool.
2383 fn replay(
2384 &self,
2385 _input: Self::Input,
2386 _output: Self::Output,
2387 _event_stream: ToolCallEventStream,
2388 _cx: &mut App,
2389 ) -> Result<()> {
2390 Ok(())
2391 }
2392
2393 fn erase(self) -> Arc<dyn AnyAgentTool> {
2394 Arc::new(Erased(Arc::new(self)))
2395 }
2396}
2397
2398pub struct Erased<T>(T);
2399
2400pub struct AgentToolOutput {
2401 pub llm_output: LanguageModelToolResultContent,
2402 pub raw_output: serde_json::Value,
2403}
2404
2405pub trait AnyAgentTool {
2406 fn name(&self) -> SharedString;
2407 fn description(&self) -> SharedString;
2408 fn kind(&self) -> acp::ToolKind;
2409 fn initial_title(&self, input: serde_json::Value, _cx: &mut App) -> SharedString;
2410 fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value>;
2411 fn supports_provider(&self, _provider: &LanguageModelProviderId) -> bool {
2412 true
2413 }
2414 fn run(
2415 self: Arc<Self>,
2416 input: serde_json::Value,
2417 event_stream: ToolCallEventStream,
2418 cx: &mut App,
2419 ) -> Task<Result<AgentToolOutput>>;
2420 fn replay(
2421 &self,
2422 input: serde_json::Value,
2423 output: serde_json::Value,
2424 event_stream: ToolCallEventStream,
2425 cx: &mut App,
2426 ) -> Result<()>;
2427}
2428
2429impl<T> AnyAgentTool for Erased<Arc<T>>
2430where
2431 T: AgentTool,
2432{
2433 fn name(&self) -> SharedString {
2434 T::name().into()
2435 }
2436
2437 fn description(&self) -> SharedString {
2438 T::description()
2439 }
2440
2441 fn kind(&self) -> agent_client_protocol::ToolKind {
2442 T::kind()
2443 }
2444
2445 fn initial_title(&self, input: serde_json::Value, _cx: &mut App) -> SharedString {
2446 let parsed_input = serde_json::from_value(input.clone()).map_err(|_| input);
2447 self.0.initial_title(parsed_input, _cx)
2448 }
2449
2450 fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
2451 let mut json = serde_json::to_value(T::input_schema(format))?;
2452 language_model::tool_schema::adapt_schema_to_format(&mut json, format)?;
2453 Ok(json)
2454 }
2455
2456 fn supports_provider(&self, provider: &LanguageModelProviderId) -> bool {
2457 T::supports_provider(provider)
2458 }
2459
2460 fn run(
2461 self: Arc<Self>,
2462 input: serde_json::Value,
2463 event_stream: ToolCallEventStream,
2464 cx: &mut App,
2465 ) -> Task<Result<AgentToolOutput>> {
2466 cx.spawn(async move |cx| {
2467 let input = serde_json::from_value(input)?;
2468 let output = cx
2469 .update(|cx| self.0.clone().run(input, event_stream, cx))
2470 .await?;
2471 let raw_output = serde_json::to_value(&output)?;
2472 Ok(AgentToolOutput {
2473 llm_output: output.into(),
2474 raw_output,
2475 })
2476 })
2477 }
2478
2479 fn replay(
2480 &self,
2481 input: serde_json::Value,
2482 output: serde_json::Value,
2483 event_stream: ToolCallEventStream,
2484 cx: &mut App,
2485 ) -> Result<()> {
2486 let input = serde_json::from_value(input)?;
2487 let output = serde_json::from_value(output)?;
2488 self.0.replay(input, output, event_stream, cx)
2489 }
2490}
2491
2492#[derive(Clone)]
2493struct ThreadEventStream(mpsc::UnboundedSender<Result<ThreadEvent>>);
2494
2495impl ThreadEventStream {
2496 fn send_user_message(&self, message: &UserMessage) {
2497 self.0
2498 .unbounded_send(Ok(ThreadEvent::UserMessage(message.clone())))
2499 .ok();
2500 }
2501
2502 fn send_text(&self, text: &str) {
2503 self.0
2504 .unbounded_send(Ok(ThreadEvent::AgentText(text.to_string())))
2505 .ok();
2506 }
2507
2508 fn send_thinking(&self, text: &str) {
2509 self.0
2510 .unbounded_send(Ok(ThreadEvent::AgentThinking(text.to_string())))
2511 .ok();
2512 }
2513
2514 fn send_tool_call(
2515 &self,
2516 id: &LanguageModelToolUseId,
2517 tool_name: &str,
2518 title: SharedString,
2519 kind: acp::ToolKind,
2520 input: serde_json::Value,
2521 ) {
2522 self.0
2523 .unbounded_send(Ok(ThreadEvent::ToolCall(Self::initial_tool_call(
2524 id,
2525 tool_name,
2526 title.to_string(),
2527 kind,
2528 input,
2529 ))))
2530 .ok();
2531 }
2532
2533 fn initial_tool_call(
2534 id: &LanguageModelToolUseId,
2535 tool_name: &str,
2536 title: String,
2537 kind: acp::ToolKind,
2538 input: serde_json::Value,
2539 ) -> acp::ToolCall {
2540 acp::ToolCall::new(id.to_string(), title)
2541 .kind(kind)
2542 .raw_input(input)
2543 .meta(acp::Meta::from_iter([(
2544 "tool_name".into(),
2545 tool_name.into(),
2546 )]))
2547 }
2548
2549 fn update_tool_call_fields(
2550 &self,
2551 tool_use_id: &LanguageModelToolUseId,
2552 fields: acp::ToolCallUpdateFields,
2553 ) {
2554 self.0
2555 .unbounded_send(Ok(ThreadEvent::ToolCallUpdate(
2556 acp::ToolCallUpdate::new(tool_use_id.to_string(), fields).into(),
2557 )))
2558 .ok();
2559 }
2560
2561 fn send_retry(&self, status: acp_thread::RetryStatus) {
2562 self.0.unbounded_send(Ok(ThreadEvent::Retry(status))).ok();
2563 }
2564
2565 fn send_stop(&self, reason: acp::StopReason) {
2566 self.0.unbounded_send(Ok(ThreadEvent::Stop(reason))).ok();
2567 }
2568
2569 fn send_canceled(&self) {
2570 self.0
2571 .unbounded_send(Ok(ThreadEvent::Stop(acp::StopReason::Cancelled)))
2572 .ok();
2573 }
2574
2575 fn send_error(&self, error: impl Into<anyhow::Error>) {
2576 self.0.unbounded_send(Err(error.into())).ok();
2577 }
2578}
2579
2580#[derive(Clone)]
2581pub struct ToolCallEventStream {
2582 tool_use_id: LanguageModelToolUseId,
2583 stream: ThreadEventStream,
2584 fs: Option<Arc<dyn Fs>>,
2585 cancellation_rx: watch::Receiver<bool>,
2586}
2587
2588impl ToolCallEventStream {
2589 #[cfg(any(test, feature = "test-support"))]
2590 pub fn test() -> (Self, ToolCallEventStreamReceiver) {
2591 let (events_tx, events_rx) = mpsc::unbounded::<Result<ThreadEvent>>();
2592 let (_cancellation_tx, cancellation_rx) = watch::channel(false);
2593
2594 let stream = ToolCallEventStream::new(
2595 "test_id".into(),
2596 ThreadEventStream(events_tx),
2597 None,
2598 cancellation_rx,
2599 );
2600
2601 (stream, ToolCallEventStreamReceiver(events_rx))
2602 }
2603
2604 fn new(
2605 tool_use_id: LanguageModelToolUseId,
2606 stream: ThreadEventStream,
2607 fs: Option<Arc<dyn Fs>>,
2608 cancellation_rx: watch::Receiver<bool>,
2609 ) -> Self {
2610 Self {
2611 tool_use_id,
2612 stream,
2613 fs,
2614 cancellation_rx,
2615 }
2616 }
2617
2618 /// Returns a future that resolves when the user cancels the tool call.
2619 /// Tools should select on this alongside their main work to detect user cancellation.
2620 pub fn cancelled_by_user(&self) -> impl std::future::Future<Output = ()> + '_ {
2621 let mut rx = self.cancellation_rx.clone();
2622 async move {
2623 loop {
2624 if *rx.borrow() {
2625 return;
2626 }
2627 if rx.changed().await.is_err() {
2628 // Sender dropped, will never be cancelled
2629 std::future::pending::<()>().await;
2630 }
2631 }
2632 }
2633 }
2634
2635 /// Returns true if the user has cancelled this tool call.
2636 /// This is useful for checking cancellation state after an operation completes,
2637 /// to determine if the completion was due to user cancellation.
2638 pub fn was_cancelled_by_user(&self) -> bool {
2639 *self.cancellation_rx.clone().borrow()
2640 }
2641
2642 pub fn update_fields(&self, fields: acp::ToolCallUpdateFields) {
2643 self.stream
2644 .update_tool_call_fields(&self.tool_use_id, fields);
2645 }
2646
2647 pub fn update_diff(&self, diff: Entity<acp_thread::Diff>) {
2648 self.stream
2649 .0
2650 .unbounded_send(Ok(ThreadEvent::ToolCallUpdate(
2651 acp_thread::ToolCallUpdateDiff {
2652 id: acp::ToolCallId::new(self.tool_use_id.to_string()),
2653 diff,
2654 }
2655 .into(),
2656 )))
2657 .ok();
2658 }
2659
2660 pub fn authorize(&self, title: impl Into<String>, cx: &mut App) -> Task<Result<()>> {
2661 if agent_settings::AgentSettings::get_global(cx).always_allow_tool_actions {
2662 return Task::ready(Ok(()));
2663 }
2664
2665 let (response_tx, response_rx) = oneshot::channel();
2666 self.stream
2667 .0
2668 .unbounded_send(Ok(ThreadEvent::ToolCallAuthorization(
2669 ToolCallAuthorization {
2670 tool_call: acp::ToolCallUpdate::new(
2671 self.tool_use_id.to_string(),
2672 acp::ToolCallUpdateFields::new().title(title.into()),
2673 ),
2674 options: vec![
2675 acp::PermissionOption::new(
2676 acp::PermissionOptionId::new("always_allow"),
2677 "Always Allow",
2678 acp::PermissionOptionKind::AllowAlways,
2679 ),
2680 acp::PermissionOption::new(
2681 acp::PermissionOptionId::new("allow"),
2682 "Allow",
2683 acp::PermissionOptionKind::AllowOnce,
2684 ),
2685 acp::PermissionOption::new(
2686 acp::PermissionOptionId::new("deny"),
2687 "Deny",
2688 acp::PermissionOptionKind::RejectOnce,
2689 ),
2690 ],
2691 response: response_tx,
2692 },
2693 )))
2694 .ok();
2695 let fs = self.fs.clone();
2696 cx.spawn(async move |cx| match response_rx.await?.0.as_ref() {
2697 "always_allow" => {
2698 if let Some(fs) = fs.clone() {
2699 cx.update(|cx| {
2700 update_settings_file(fs, cx, |settings, _| {
2701 settings
2702 .agent
2703 .get_or_insert_default()
2704 .set_always_allow_tool_actions(true);
2705 });
2706 });
2707 }
2708
2709 Ok(())
2710 }
2711 "allow" => Ok(()),
2712 _ => Err(anyhow!("Permission to run tool denied by user")),
2713 })
2714 }
2715}
2716
2717#[cfg(any(test, feature = "test-support"))]
2718pub struct ToolCallEventStreamReceiver(mpsc::UnboundedReceiver<Result<ThreadEvent>>);
2719
2720#[cfg(any(test, feature = "test-support"))]
2721impl ToolCallEventStreamReceiver {
2722 pub async fn expect_authorization(&mut self) -> ToolCallAuthorization {
2723 let event = self.0.next().await;
2724 if let Some(Ok(ThreadEvent::ToolCallAuthorization(auth))) = event {
2725 auth
2726 } else {
2727 panic!("Expected ToolCallAuthorization but got: {:?}", event);
2728 }
2729 }
2730
2731 pub async fn expect_update_fields(&mut self) -> acp::ToolCallUpdateFields {
2732 let event = self.0.next().await;
2733 if let Some(Ok(ThreadEvent::ToolCallUpdate(acp_thread::ToolCallUpdate::UpdateFields(
2734 update,
2735 )))) = event
2736 {
2737 update.fields
2738 } else {
2739 panic!("Expected update fields but got: {:?}", event);
2740 }
2741 }
2742
2743 pub async fn expect_diff(&mut self) -> Entity<acp_thread::Diff> {
2744 let event = self.0.next().await;
2745 if let Some(Ok(ThreadEvent::ToolCallUpdate(acp_thread::ToolCallUpdate::UpdateDiff(
2746 update,
2747 )))) = event
2748 {
2749 update.diff
2750 } else {
2751 panic!("Expected diff but got: {:?}", event);
2752 }
2753 }
2754
2755 pub async fn expect_terminal(&mut self) -> Entity<acp_thread::Terminal> {
2756 let event = self.0.next().await;
2757 if let Some(Ok(ThreadEvent::ToolCallUpdate(acp_thread::ToolCallUpdate::UpdateTerminal(
2758 update,
2759 )))) = event
2760 {
2761 update.terminal
2762 } else {
2763 panic!("Expected terminal but got: {:?}", event);
2764 }
2765 }
2766}
2767
2768#[cfg(any(test, feature = "test-support"))]
2769impl std::ops::Deref for ToolCallEventStreamReceiver {
2770 type Target = mpsc::UnboundedReceiver<Result<ThreadEvent>>;
2771
2772 fn deref(&self) -> &Self::Target {
2773 &self.0
2774 }
2775}
2776
2777#[cfg(any(test, feature = "test-support"))]
2778impl std::ops::DerefMut for ToolCallEventStreamReceiver {
2779 fn deref_mut(&mut self) -> &mut Self::Target {
2780 &mut self.0
2781 }
2782}
2783
2784impl From<&str> for UserMessageContent {
2785 fn from(text: &str) -> Self {
2786 Self::Text(text.into())
2787 }
2788}
2789
2790impl UserMessageContent {
2791 pub fn from_content_block(value: acp::ContentBlock, path_style: PathStyle) -> Self {
2792 match value {
2793 acp::ContentBlock::Text(text_content) => Self::Text(text_content.text),
2794 acp::ContentBlock::Image(image_content) => Self::Image(convert_image(image_content)),
2795 acp::ContentBlock::Audio(_) => {
2796 // TODO
2797 Self::Text("[audio]".to_string())
2798 }
2799 acp::ContentBlock::ResourceLink(resource_link) => {
2800 match MentionUri::parse(&resource_link.uri, path_style) {
2801 Ok(uri) => Self::Mention {
2802 uri,
2803 content: String::new(),
2804 },
2805 Err(err) => {
2806 log::error!("Failed to parse mention link: {}", err);
2807 Self::Text(format!("[{}]({})", resource_link.name, resource_link.uri))
2808 }
2809 }
2810 }
2811 acp::ContentBlock::Resource(resource) => match resource.resource {
2812 acp::EmbeddedResourceResource::TextResourceContents(resource) => {
2813 match MentionUri::parse(&resource.uri, path_style) {
2814 Ok(uri) => Self::Mention {
2815 uri,
2816 content: resource.text,
2817 },
2818 Err(err) => {
2819 log::error!("Failed to parse mention link: {}", err);
2820 Self::Text(
2821 MarkdownCodeBlock {
2822 tag: &resource.uri,
2823 text: &resource.text,
2824 }
2825 .to_string(),
2826 )
2827 }
2828 }
2829 }
2830 acp::EmbeddedResourceResource::BlobResourceContents(_) => {
2831 // TODO
2832 Self::Text("[blob]".to_string())
2833 }
2834 other => {
2835 log::warn!("Unexpected content type: {:?}", other);
2836 Self::Text("[unknown]".to_string())
2837 }
2838 },
2839 other => {
2840 log::warn!("Unexpected content type: {:?}", other);
2841 Self::Text("[unknown]".to_string())
2842 }
2843 }
2844 }
2845}
2846
2847impl From<UserMessageContent> for acp::ContentBlock {
2848 fn from(content: UserMessageContent) -> Self {
2849 match content {
2850 UserMessageContent::Text(text) => text.into(),
2851 UserMessageContent::Image(image) => {
2852 acp::ContentBlock::Image(acp::ImageContent::new(image.source, "image/png"))
2853 }
2854 UserMessageContent::Mention { uri, content } => acp::ContentBlock::Resource(
2855 acp::EmbeddedResource::new(acp::EmbeddedResourceResource::TextResourceContents(
2856 acp::TextResourceContents::new(content, uri.to_uri().to_string()),
2857 )),
2858 ),
2859 }
2860 }
2861}
2862
2863fn convert_image(image_content: acp::ImageContent) -> LanguageModelImage {
2864 LanguageModelImage {
2865 source: image_content.data.into(),
2866 size: None,
2867 }
2868}