Summarize old tool calls (#6119)

Co-authored-by: Douwe Osinga <douwe@squareup.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
Douwe Osinga
2026-01-28 11:35:08 -05:00
committed by GitHub
parent 18d6db47cf
commit 9e31cfd7f8
5 changed files with 396 additions and 17 deletions
+2 -1
View File
@@ -186,7 +186,8 @@ pub async fn handle_term_log(command: String) -> Result<()> {
chrono::Utc::now().timestamp_millis(),
vec![MessageContent::text(command)],
)
.with_metadata(MessageMetadata::user_only());
.with_metadata(MessageMetadata::user_only())
.with_generated_id();
let session_manager = SessionManager::instance();
session_manager.add_message(&session_id, &message).await?;
+47 -4
View File
@@ -70,6 +70,7 @@ pub struct ReplyContext {
pub toolshim_tools: Vec<Tool>,
pub system_prompt: String,
pub goose_mode: GooseMode,
pub tool_call_cut_off: usize,
pub initial_messages: Vec<Message>,
}
@@ -282,7 +283,10 @@ impl Agent {
let mut messages = Vec::new();
let manager = self.config.session_manager.clone();
let mut elicitation_rx = ActionRequiredManager::global().request_rx.lock().await;
while let Ok(elicitation_message) = elicitation_rx.try_recv() {
while let Ok(mut elicitation_message) = elicitation_rx.try_recv() {
if elicitation_message.id.is_none() {
elicitation_message = elicitation_message.with_generated_id();
}
if let Err(e) = manager.add_message(session_id, &elicitation_message).await {
warn!("Failed to save elicitation message to session: {}", e);
}
@@ -321,6 +325,9 @@ impl Agent {
toolshim_tools,
system_prompt,
goose_mode: self.config.goose_mode,
tool_call_cut_off: Config::global()
.get_param::<usize>("GOOSE_TOOL_CALL_CUTOFF")
.unwrap_or(10),
initial_messages,
})
}
@@ -1079,6 +1086,7 @@ impl Agent {
mut tools,
mut toolshim_tools,
mut system_prompt,
tool_call_cut_off,
goose_mode,
initial_messages,
} = context;
@@ -1130,6 +1138,13 @@ impl Agent {
break;
}
let tool_pair_summarization_task = crate::context_mgmt::maybe_summarize_tool_pair(
self.provider().await?,
session_config.id.clone(),
conversation.clone(),
tool_call_cut_off,
);
let conversation_with_moim = super::moim::inject_moim(
&session_config.id,
conversation.clone(),
@@ -1202,9 +1217,7 @@ impl Agent {
}
let tool_response_messages: Vec<Arc<Mutex<Message>>> = (0..num_tool_requests)
.map(|_| Arc::new(Mutex::new(Message::user().with_id(
format!("msg_{}", Uuid::new_v4())
))))
.map(|_| Arc::new(Mutex::new(Message::user().with_generated_id())))
.collect();
let mut request_to_response_map = HashMap::new();
@@ -1529,6 +1542,36 @@ impl Agent {
}
}
if let Ok(Some((summary_msg, tool_id))) = tool_pair_summarization_task.await {
let mut updated_messages = conversation.messages().clone();
let matching: Vec<&mut Message> = updated_messages
.iter_mut()
.filter(|msg| {
msg.id.is_some() && msg.content.iter().any(|c| match c {
MessageContent::ToolRequest(req) => req.id == tool_id,
MessageContent::ToolResponse(resp) => resp.id == tool_id,
_ => false,
})
})
.collect();
if matching.len() == 2 {
for msg in matching {
let id = msg.id.as_ref().unwrap();
msg.metadata = msg.metadata.with_agent_invisible();
SessionManager::update_message_metadata(&session_config.id, id, |metadata| {
metadata.with_agent_invisible()
}).await?;
}
conversation = Conversation::new_unvalidated(updated_messages);
messages_to_add.push(summary_msg);
} else {
warn!("Expected a tool request/reply pair, but found {} matching messages",
matching.len());
}
}
for msg in &messages_to_add {
session_manager.add_message(&session_config.id, msg).await?;
}
+244 -1
View File
@@ -6,8 +6,12 @@ use crate::providers::base::{Provider, ProviderUsage};
use crate::providers::errors::ProviderError;
use crate::{config::Config, token_counter::create_token_counter};
use anyhow::Result;
use indoc::indoc;
use rmcp::model::Role;
use serde::Serialize;
use std::sync::Arc;
use tokio::task::JoinHandle;
use tracing::log::warn;
use tracing::{debug, info};
pub const DEFAULT_COMPACTION_THRESHOLD: f64 = 0.8;
@@ -418,6 +422,116 @@ fn format_message_for_compacting(msg: &Message) -> String {
}
}
/// Find the id of a tool call to summarize. We only do this if we have more than
/// cutoff tool calls that aren't summarized yet
pub fn tool_id_to_summarize(conversation: &Conversation, cutoff: usize) -> Option<String> {
let messages = conversation.messages();
let mut tool_call_count = 0;
let mut first_tool_call_id = None;
for msg in messages.iter() {
if !msg.is_agent_visible() {
continue;
}
for content in &msg.content {
if let MessageContent::ToolRequest(req) = content {
if first_tool_call_id.is_none() {
first_tool_call_id = Some(req.id.clone());
}
tool_call_count += 1;
if tool_call_count > cutoff {
return first_tool_call_id;
}
}
}
}
None
}
pub async fn summarize_tool_call(
provider: &dyn Provider,
session_id: &str,
conversation: &Conversation,
tool_id: &str,
) -> Result<Message> {
let messages = conversation.messages();
let matching_messages: Vec<&Message> = messages
.iter()
.filter(|m| {
m.content.iter().any(|c| match c {
MessageContent::ToolRequest(req) => req.id == tool_id,
MessageContent::ToolResponse(resp) => resp.id == tool_id,
_ => false,
})
})
.collect();
if matching_messages.is_empty() {
return Err(anyhow::anyhow!(
"No messages found for tool id: {}",
tool_id
));
}
let formatted = matching_messages
.iter()
.map(|msg| format_message_for_compacting(msg))
.collect::<Vec<_>>()
.join("\n");
let user_message = Message::user().with_text(formatted);
let summarization_request = vec![user_message];
let system_prompt = indoc! {r#"
Your task is to summarize a tool call & response pair to save tokens
reply with a single message that describe what happened. Typically a toolcall
is asks for something using a bunch of parameters and then the result is also some
structured output. So the tool might ask to look up something on github and the
reply might be a json document. So you could reply with something like:
"A call to github was made to get the project status"
if that is what it was.
"#};
let (mut response, _) = provider
.complete_fast(session_id, system_prompt, &summarization_request, &[])
.await?;
response.role = Role::User;
response.created = matching_messages.last().unwrap().created;
response.metadata = MessageMetadata::agent_only();
Ok(response.with_generated_id())
}
pub fn maybe_summarize_tool_pair(
provider: Arc<dyn Provider>,
session_id: String,
conversation: Conversation,
cutoff: usize,
) -> JoinHandle<Option<(Message, String)>> {
tokio::spawn(async move {
if let Some(tool_id) = tool_id_to_summarize(&conversation, cutoff) {
match summarize_tool_call(provider.as_ref(), &session_id, &conversation, &tool_id).await
{
Ok(summary) => Some((summary, tool_id)),
Err(e) => {
warn!("Failed to summarize tool pair: {}", e);
None
}
}
} else {
None
}
})
}
#[cfg(test)]
mod tests {
use super::*;
@@ -579,11 +693,140 @@ mod tests {
let conversation = Conversation::new_unvalidated(messages);
let result = compact_messages(&provider, "test-session-id", &conversation, false).await;
// Should succeed after progressive removal
assert!(
result.is_ok(),
"Should succeed with progressive removal: {:?}",
result.err()
);
}
#[tokio::test]
async fn test_tool_pair_summarization_workflow() {
fn create_tool_pair(
call_id: &str,
response_id: &str,
tool_name: &str,
response_text: &str,
) -> Vec<Message> {
vec![
Message::assistant()
.with_tool_request(
call_id,
Ok(CallToolRequestParams {
task: None,
name: tool_name.to_string().into(),
arguments: None,
meta: None,
}),
)
.with_id(call_id),
Message::user()
.with_tool_response(
call_id,
Ok(rmcp::model::CallToolResult {
content: vec![RawContent::text(response_text).no_annotation()],
structured_content: None,
is_error: Some(false),
meta: None,
}),
)
.with_id(response_id),
]
}
let summary_response = Message::assistant()
.with_text("Tool call to list files and response with file listing");
let provider = MockProvider::new(summary_response, 1000);
let mut messages = vec![Message::user().with_text("list files").with_id("msg_1")];
messages.extend(create_tool_pair(
"call1",
"response1",
"shell",
"file1.txt\nfile2.txt",
));
messages.extend(create_tool_pair(
"call2",
"response2",
"read_file",
"content of file1",
));
messages.extend(create_tool_pair(
"call3",
"response3",
"read_file",
"content of file2",
));
let conversation = Conversation::new_unvalidated(messages);
let result = tool_id_to_summarize(&conversation, 2);
assert!(
result.is_some(),
"Should return a pair to summarize when tool calls exceed cutoff"
);
let tool_call_id = result.unwrap();
assert_eq!(tool_call_id, "call1");
let summary = summarize_tool_call(&provider, "test-session", &conversation, &tool_call_id)
.await
.unwrap();
assert_eq!(summary.role, Role::User);
assert!(summary.metadata.agent_visible);
assert!(!summary.metadata.user_visible);
let mut updated_messages = conversation.messages().clone();
for msg in updated_messages.iter_mut() {
let has_matching_content = msg.content.iter().any(|c| match c {
MessageContent::ToolRequest(req) => req.id == tool_call_id,
MessageContent::ToolResponse(resp) => resp.id == tool_call_id,
_ => false,
});
if has_matching_content {
msg.metadata = msg.metadata.with_agent_invisible();
}
}
updated_messages.push(summary);
let updated_conversation = Conversation::new_unvalidated(updated_messages);
let messages = updated_conversation.messages();
let call1_msg = messages
.iter()
.find(|m| m.id.as_deref() == Some("call1"))
.unwrap();
assert!(
!call1_msg.is_agent_visible(),
"Original call should not be agent visible"
);
let response1_msg = messages
.iter()
.find(|m| m.id.as_deref() == Some("response1"))
.unwrap();
assert!(
!response1_msg.is_agent_visible(),
"Original response should not be agent visible"
);
let summary_msg = messages
.iter()
.find(|m| {
m.metadata.agent_visible
&& !m.metadata.user_visible
&& m.as_concat_text().contains("Tool call")
})
.unwrap();
assert!(
!summary_msg.is_user_visible(),
"Summary should not be user visible"
);
let result = tool_id_to_summarize(&updated_conversation, 3);
assert!(result.is_none(), "Nothing left to summarize");
}
}
+7 -3
View File
@@ -1,4 +1,6 @@
use crate::conversation::tool_result_serde;
use crate::mcp_utils::ToolResult;
use crate::utils::sanitize_unicode_tags;
use chrono::Utc;
use rmcp::model::{
AnnotateAble, CallToolRequestParams, CallToolResult, Content, ImageContent, JsonObject,
@@ -9,9 +11,7 @@ use serde::{Deserialize, Deserializer, Serialize};
use std::collections::HashSet;
use std::fmt;
use utoipa::ToSchema;
use crate::conversation::tool_result_serde;
use crate::utils::sanitize_unicode_tags;
use uuid::Uuid;
#[derive(ToSchema)]
pub enum ToolCallResult<T> {
@@ -719,6 +719,10 @@ impl Message {
self
}
pub fn with_generated_id(self) -> Self {
self.with_id(format!("msg_{}", Uuid::new_v4()))
}
/// Add any MessageContent to the message
pub fn with_content(mut self, content: MessageContent) -> Self {
self.content.push(content);
+96 -8
View File
@@ -18,7 +18,7 @@ use std::sync::{Arc, LazyLock};
use tracing::{info, warn};
use utoipa::ToSchema;
pub const CURRENT_SCHEMA_VERSION: i32 = 6;
pub const CURRENT_SCHEMA_VERSION: i32 = 7;
pub const SESSIONS_FOLDER: &str = "sessions";
pub const DB_NAME: &str = "sessions.db";
@@ -363,6 +363,18 @@ impl SessionManager {
.search_chat_history(query, limit, after_date, before_date, exclude_session_id)
.await
}
pub async fn update_message_metadata<F>(id: &str, message_id: &str, f: F) -> Result<()>
where
F: FnOnce(
crate::conversation::message::MessageMetadata,
) -> crate::conversation::message::MessageMetadata,
{
Self::instance()
.storage
.update_message_metadata(id, message_id, f)
.await
}
}
pub struct SessionStorage {
@@ -575,6 +587,7 @@ impl SessionStorage {
r#"
CREATE TABLE messages (
id INTEGER PRIMARY KEY AUTOINCREMENT,
message_id TEXT,
session_id TEXT NOT NULL REFERENCES sessions(id),
role TEXT NOT NULL,
content_json TEXT NOT NULL,
@@ -594,6 +607,9 @@ impl SessionStorage {
sqlx::query("CREATE INDEX idx_messages_timestamp ON messages(timestamp)")
.execute(pool)
.await?;
sqlx::query("CREATE INDEX idx_messages_message_id ON messages(message_id)")
.execute(pool)
.await?;
sqlx::query("CREATE INDEX idx_sessions_updated ON sessions(updated_at DESC)")
.execute(pool)
.await?;
@@ -760,6 +776,7 @@ impl SessionStorage {
Ok(())
}
#[allow(clippy::too_many_lines)]
async fn apply_migration(pool: &Pool<Sqlite>, version: i32) -> Result<()> {
match version {
1 => {
@@ -839,6 +856,28 @@ impl SessionStorage {
.execute(pool)
.await?;
}
7 => {
sqlx::query(
r#"
ALTER TABLE messages ADD COLUMN message_id TEXT
"#,
)
.execute(pool)
.await?;
sqlx::query(
r#"
UPDATE messages
SET message_id = 'msg_' || session_id || '_' || id
"#,
)
.execute(pool)
.await?;
sqlx::query("CREATE INDEX idx_messages_message_id ON messages(message_id)")
.execute(pool)
.await?;
}
_ => {
anyhow::bail!("Unknown migration version: {}", version);
}
@@ -1036,16 +1075,16 @@ impl SessionStorage {
async fn get_conversation(&self, session_id: &str) -> Result<Conversation> {
let pool = self.pool().await?;
let rows = sqlx::query_as::<_, (String, String, i64, Option<String>)>(
"SELECT role, content_json, created_timestamp, metadata_json FROM messages WHERE session_id = ? ORDER BY timestamp",
let rows = sqlx::query_as::<_, (String, String, i64, Option<String>, Option<String>)>(
"SELECT role, content_json, created_timestamp, metadata_json, message_id FROM messages WHERE session_id = ? ORDER BY timestamp",
)
.bind(session_id)
.fetch_all(pool)
.await?;
let mut messages = Vec::new();
for (idx, (role_str, content_json, created_timestamp, metadata_json)) in
rows.into_iter().enumerate()
for (role_str, content_json, created_timestamp, metadata_json, message_id) in
rows.into_iter()
{
let role = match role_str.as_str() {
"user" => Role::User,
@@ -1060,7 +1099,9 @@ impl SessionStorage {
let mut message = Message::new(role, created_timestamp, content);
message.metadata = metadata;
message = message.with_id(format!("msg_{}_{}", session_id, idx));
if let Some(id) = message_id {
message = message.with_id(id);
}
messages.push(message);
}
@@ -1073,12 +1114,18 @@ impl SessionStorage {
let metadata_json = serde_json::to_string(&message.metadata)?;
let message_id = message
.id
.clone()
.unwrap_or_else(|| format!("msg_{}_{}", session_id, uuid::Uuid::new_v4()));
sqlx::query(
r#"
INSERT INTO messages (session_id, role, content_json, created_timestamp, metadata_json)
VALUES (?, ?, ?, ?, ?)
INSERT INTO messages (message_id, session_id, role, content_json, created_timestamp, metadata_json)
VALUES (?, ?, ?, ?, ?, ?)
"#,
)
.bind(message_id)
.bind(session_id)
.bind(role_to_string(&message.role))
.bind(serde_json::to_string(&message.content)?)
@@ -1344,6 +1391,47 @@ impl SessionStorage {
.execute()
.await
}
async fn update_message_metadata<F>(
&self,
session_id: &str,
message_id: &str,
f: F,
) -> Result<()>
where
F: FnOnce(
crate::conversation::message::MessageMetadata,
) -> crate::conversation::message::MessageMetadata,
{
let mut tx = self.pool.begin().await?;
let current_metadata_json = sqlx::query_scalar::<_, String>(
"SELECT metadata_json FROM messages WHERE message_id = ? AND session_id = ?",
)
.bind(message_id)
.bind(session_id)
.fetch_one(&mut *tx)
.await?;
let current_metadata: crate::conversation::message::MessageMetadata =
serde_json::from_str(&current_metadata_json)?;
let new_metadata = f(current_metadata);
let metadata_json = serde_json::to_string(&new_metadata)?;
sqlx::query(
"UPDATE messages SET metadata_json = ? WHERE message_id = ? AND session_id = ?",
)
.bind(metadata_json)
.bind(message_id)
.bind(session_id)
.execute(&mut *tx)
.await?;
tx.commit().await?;
Ok(())
}
}
#[cfg(test)]