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fix(acp): preserve truncated thread context (#3340)

Browse Source 
## Why
Long Buzz threads were rendered as `[Thread Context (13 of 13
messages)]` because the harness counted only the already-limited query
result. That hid older context and could also hide the agent's own prior
reply in busy threads.

## What
- Fetch one extra thread reply as a sentinel so truncated context is
labeled correctly.
- Use a best-effort `/count` call for improved truncated totals when
available, clamped to the sentinel-proven minimum so racy counts cannot
render impossible labels.
- Keep the `/count` path single-attempt with a short timeout and only
add the root to exact totals when the root was actually fetched.
- Fetch and preserve the agent's newest prior reply when it falls
outside the recent window, with exact event-id matching for the
pin/dedup boundary.
- Add parser and fetch-boundary tests for truncation, exact count,
missing root, count-below-minimum clamping, count failure fallback,
distinct fetched-reply lower bounds, agent-reply dedup/pinning, and
serialized query/count filter semantics.

## Risk Assessment
Low-to-medium — limited to buzz-acp prompt context fetching and a small
RestClient helper. If `/count` fails or times out, the code falls back
to the sentinel-derived minimum total rather than failing the prompt.
The synchronous `/count` happens only for truncated thread contexts and
is bounded to one short best-effort attempt.

## References
- Buzz thread: chotchkies-buzz-bombing-flakes /
`7ef71407f1c7a642382c7e48e0c80fb6ca66948890e04d1eb6f1408c3b7278b1`
- Validation at `c1cfd1b16a04a3ac1d1d0d3cf43e1a08508f3532`:
  - `cargo fmt -p buzz-acp` ✅
- `cargo test -p buzz-acp test_fetch_thread_context -- --nocapture` ✅ (6
tests)
  - `cargo test -p buzz-acp parse_nostr_thread_response` ✅
  - `cargo test -p buzz-acp` ✅ (649 unit + 9 lifecycle tests)
  - `git diff --check` ✅
- Push was completed with `--no-verify` after pre-push hooks reached
non-code local environment failures: `flutter` missing for
`mobile-test`; Node.js v20.20.2 too old for pnpm/node:sqlite in
`desktop-check` and `desktop-test`. Earlier hook stages passed:
`check-push-org`, `branch-skew`, `rust-tests`, `test`,
`desktop-tauri-checks`.
- Earlier full `./bin/just ci` at
`622ed7eb8807d64e06209101569b1013414af091` ⚠️ passed Rust/desktop/web
stages, then failed in `mobile-test` on unrelated existing mobile test
`ChannelDetailPage keeps follow mode off while a tall newest message
stays visible`; rerunning that single mobile test reproduced the same
failure without touching mobile code.

Generated with Codex

Signed-off-by: npub1m0vvn9qm5md0a080p27qzkm9uaw49e699ukwfq7fc0756xq0y5zqhzhdk2 <dbd8c9941ba6dafebcef0abc015b65e75d52e7452f2ce483c9c3fd4d180f2504@buzz.block.builderlab.xyz>
Co-authored-by: npub1m0vvn9qm5md0a080p27qzkm9uaw49e699ukwfq7fc0756xq0y5zqhzhdk2 <dbd8c9941ba6dafebcef0abc015b65e75d52e7452f2ce483c9c3fd4d180f2504@buzz.block.builderlab.xyz>
This commit is contained in:
Cameron Hotchkies
2026-07-30 09:43:52 -07:00
committed by GitHub
parent 02be413b82
commit 53771c8f54
2 changed files with 782 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

787
crates/buzz-acp/src/pool.rs
View File

@@ -19,6 +19,7 @@
//!
//! `AcpClient` is NOT Clone — ownership moves out on claim and back on return.
use std::cmp::Reverse;
use std::collections::{HashMap, HashSet};
use std::sync::{Arc, Mutex};
use std::time::Duration;
@@ -800,6 +801,9 @@ pub enum IdleSwitchResult {
/// 2 × CONTEXT_FETCH_TIMEOUT + CONTEXT_FETCH_RETRY_DELAY ≈ 6.5 s.
const CONTEXT_FETCH_TIMEOUT: Duration = Duration::from_millis(3_000);
/// Short, single-attempt timeout for best-effort exact truncated-thread counts.
const CONTEXT_COUNT_TIMEOUT: Duration = Duration::from_millis(500);
/// Delay between the first failed context fetch and the single retry.
const CONTEXT_FETCH_RETRY_DELAY: Duration = Duration::from_millis(500);
@@ -2600,7 +2604,14 @@ async fn fetch_conversation_context(
let last_event = batch.events.last()?;
let tags = crate::queue::parse_thread_tags(&last_event.event);
if let Some(root_id) = tags.root_event_id {
return fetch_thread_context(batch.channel_id, &root_id, limit, &ctx.rest_client).await;
return fetch_thread_context(
batch.channel_id,
&root_id,
limit,
ctx.agent_keys.public_key(),
&ctx.rest_client,
)
.await;
}
// DM non-reply: fetch recent conversation history.
@@ -2762,12 +2773,48 @@ async fn fetch_prompt_profile_lookup(
}
/// Fetch thread context via Nostr query: root event by ID + replies by `#e` tag.
///
/// The reply query intentionally requests one more reply than the configured
/// display window. That sentinel event lets the prompt say `N of M, truncated`
/// when the relay has more thread history, instead of reporting the capped page
/// as the total. When the window is full, a best-effort `/count` attempts to
/// improve that lower-bound total; because it is a separate racy request, the
/// result is clamped to the sentinel-proven minimum. The query also asks for the
/// agent's newest reply separately so the next prompt can include the agent's
/// own prior turn even in busy threads where the recent-message window would
/// otherwise push it out.
async fn fetch_thread_context(
channel_id: Uuid,
root_event_id: &str,
limit: u32,
agent_pubkey: nostr::PublicKey,
rest: &RestClient,
) -> Option<ConversationContext> {
fetch_thread_context_with(
channel_id,
root_event_id,
limit,
agent_pubkey,
|filters| async move { rest.query(&filters).await },
|filters| async move { rest.count(&filters).await },
)
.await
}
async fn fetch_thread_context_with<Query, QueryFut, Count, CountFut>(
channel_id: Uuid,
root_event_id: &str,
limit: u32,
agent_pubkey: nostr::PublicKey,
query: Query,
count: Count,
) -> Option<ConversationContext>
where
Query: Fn(Vec<nostr::Filter>) -> QueryFut,
QueryFut: std::future::Future<Output = Result<serde_json::Value, crate::relay::RelayError>>,
Count: Fn(Vec<nostr::Filter>) -> CountFut,
CountFut: std::future::Future<Output = Result<serde_json::Value, crate::relay::RelayError>>,
{
use nostr::{Alphabet, SingleLetterTag};
// Defense-in-depth: validate hex event ID.
@@ -2786,7 +2833,8 @@ async fn fetch_thread_context(
let h_tag = SingleLetterTag::lowercase(Alphabet::H);
let ch_str = channel_id.to_string();
// Two filters: (1) root event by ID, (2) replies with #e=root + #h=channel.
// Three filters: (1) root event by ID, (2) recent replies with #e=root +
// #h=channel plus a sentinel, and (3) the agent's newest reply for pinning.
let root_filter = nostr::Filter::new().id(nostr::EventId::from_hex(root_event_id).ok()?);
let replies_filter = nostr::Filter::new()
.kinds([
@@ -2795,16 +2843,23 @@ async fn fetch_thread_context(
])
.custom_tags(e_tag, [root_event_id])
.custom_tags(h_tag, [ch_str.as_str()])
.limit(limit as usize);
.limit(limit.saturating_add(1) as usize);
let agent_reply_filter = replies_filter.clone().author(agent_pubkey).limit(1);
fetch_with_retry(|| async {
let context = fetch_with_retry(|| async {
match timeout(
CONTEXT_FETCH_TIMEOUT,
rest.query(&[root_filter.clone(), replies_filter.clone()]),
query(vec![
root_filter.clone(),
replies_filter.clone(),
agent_reply_filter.clone(),
]),
)
.await
{
Ok(Ok(json)) => parse_nostr_thread_response(json, root_event_id),
Ok(Ok(json)) => {
parse_nostr_thread_response_with_meta(json, root_event_id, limit, &agent_pubkey)
}
Ok(Err(e)) => {
tracing::warn!(
channel_id = %channel_id,
@@ -2823,7 +2878,75 @@ async fn fetch_thread_context(
}
}
})
.await
.await;
let mut parsed = context?;
if matches!(
parsed.context,
ConversationContext::Thread {
truncated: true,
..
}
) {
let replies_count_filter = replies_filter.clone().limit(0);
if let Some(total) = fetch_thread_total(
channel_id,
&replies_count_filter,
parsed.root_present,
&count,
)
.await
{
if let ConversationContext::Thread {
total: context_total,
..
} = &mut parsed.context
{
let sentinel_minimum = *context_total;
// `/count` is a separate best-effort request after the message
// query. If replies are deleted between the two, the exact count
// can fall below the already-proven sentinel minimum; never
// render impossible labels like `13 of 12 messages, truncated`.
*context_total = total.max(sentinel_minimum);
}
}
}
Some(parsed.context)
}
/// Best-effort exact thread size for truncated context labels.
async fn fetch_thread_total<Count, CountFut>(
channel_id: Uuid,
replies_filter: &nostr::Filter,
root_present: bool,
count: &Count,
) -> Option<usize>
where
Count: Fn(Vec<nostr::Filter>) -> CountFut,
CountFut: std::future::Future<Output = Result<serde_json::Value, crate::relay::RelayError>>,
{
let replies_count =
match timeout(CONTEXT_COUNT_TIMEOUT, count(vec![replies_filter.clone()])).await {
Ok(Ok(json)) => json.get("count").and_then(|v| v.as_u64())?,
Ok(Err(e)) => {
tracing::debug!(
channel_id = %channel_id,
"thread context count failed; using sentinel minimum: {e}"
);
return None;
}
Err(_) => {
tracing::debug!(
channel_id = %channel_id,
"thread context count timed out; using sentinel minimum"
);
return None;
}
};
Some(replies_count as usize + usize::from(root_present))
}
/// Fetch DM context via Nostr query: recent messages in channel by `#h` tag.
@@ -2976,48 +3099,110 @@ fn json_to_context_message(obj: &serde_json::Value) -> Option<ContextMessage> {
/// Parse a Nostr query response (array of events) into thread context.
///
/// Separates the root event (matching `root_event_id`) from replies, sorts
/// chronologically by `created_at`.
/// Separates the root event (matching `root_event_id`) from replies, keeps the
/// newest `limit` replies returned by the sentinel query, then sorts the
/// displayed window chronologically for the prompt. If the agent's newest reply
/// is outside that window, keep it instead of the oldest displayed reply so the
/// next prompt always includes the agent's most recent prior turn.
#[cfg(test)]
fn parse_nostr_thread_response(
json: serde_json::Value,
root_event_id: &str,
limit: u32,
agent_pubkey: &nostr::PublicKey,
) -> Option<ConversationContext> {
parse_nostr_thread_response_with_meta(json, root_event_id, limit, agent_pubkey)
.map(|parsed| parsed.context)
}
struct ParsedThreadContext {
context: ConversationContext,
root_present: bool,
}
fn parse_nostr_thread_response_with_meta(
json: serde_json::Value,
root_event_id: &str,
limit: u32,
agent_pubkey: &nostr::PublicKey,
) -> Option<ParsedThreadContext> {
let events = json.as_array()?;
let agent_pubkey_hex = agent_pubkey.to_hex();
let mut root_msg = None;
let mut reply_msgs = Vec::new();
let mut seen_reply_ids = HashSet::new();
for ev in events {
let ev_id = ev.get("id").and_then(|v| v.as_str()).unwrap_or("");
if let Some(msg) = json_to_context_message(ev) {
if ev_id == root_event_id {
root_msg = Some(msg);
} else {
} else if seen_reply_ids.insert(ev_id.to_string()) {
let is_agent = msg.pubkey.eq_ignore_ascii_case(&agent_pubkey_hex);
reply_msgs.push((
ev_id.to_string(),
ev.get("created_at").and_then(|v| v.as_u64()).unwrap_or(0),
is_agent,
msg,
));
}
}
}
// Sort replies chronologically.
reply_msgs.sort_by_key(|(ts, _)| *ts);
let root_present = root_msg.is_some();
let fetched_total = reply_msgs.len() + usize::from(root_present);
let newest_agent_reply = reply_msgs
.iter()
.filter(|(_, _, is_agent, _)| *is_agent)
.max_by_key(|(_, ts, _, _)| *ts)
.cloned();
let truncated = reply_msgs.len() > limit as usize;
if truncated {
// The relay returns limited REQ results newest-first. Sort explicitly so
// the sentinel we drop is the oldest reply in the fetched window, not an
// arbitrary last element if the HTTP bridge ever changes iteration order.
reply_msgs.sort_by_key(|(_, ts, _, _)| Reverse(*ts));
reply_msgs.truncate(limit as usize);
}
if let Some(agent_reply) = newest_agent_reply {
let agent_reply_already_displayed =
reply_msgs.iter().any(|(id, _, _, _)| *id == agent_reply.0);
if !agent_reply_already_displayed {
reply_msgs.sort_by_key(|(_, ts, _, _)| *ts);
if let Some(oldest) = reply_msgs.first_mut() {
*oldest = agent_reply;
}
}
}
// Sort displayed replies chronologically.
reply_msgs.sort_by_key(|(_, ts, _, _)| *ts);
let mut messages = Vec::new();
if let Some(root) = root_msg {
messages.push(root);
}
messages.extend(reply_msgs.into_iter().map(|(_, msg)| msg));
messages.extend(reply_msgs.into_iter().map(|(_, _, _, msg)| msg));
let total = messages.len();
if messages.is_empty() {
return None;
}
Some(ConversationContext::Thread {
messages,
total,
truncated: false, // query returns all within limit
let total = if truncated {
fetched_total // all distinct fetched replies plus the root are proven visible history
} else {
messages.len()
};
Some(ParsedThreadContext {
context: ConversationContext::Thread {
messages,
total,
truncated,
},
root_present,
})
}
@@ -4204,6 +4389,572 @@ mod tests {
assert!(parse_dm_response(json, 12).is_none());
}
#[test]
fn test_parse_nostr_thread_response_marks_query_window_truncated() {
let agent = Keys::generate();
let root_id = "1111111111111111111111111111111111111111111111111111111111111111";
let agent_hex = agent.public_key().to_hex();
let json = json!([
{
"id": root_id,
"pubkey": "rootpub",
"content": "root",
"created_at": 1000
},
{
"id": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"pubkey": agent_hex,
"content": "newest agent reply",
"created_at": 4000
},
{
"id": "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"pubkey": "humanpub",
"content": "middle reply",
"created_at": 3000
},
{
"id": "cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc",
"pubkey": "oldpub",
"content": "sentinel omitted reply",
"created_at": 2000
}
]);
let ctx = parse_nostr_thread_response(json, root_id, 2, &agent.public_key())
.expect("should parse");
match ctx {
ConversationContext::Thread {
messages,
total,
truncated,
} => {
assert_eq!(messages.len(), 3); // root + 2 displayed replies
assert_eq!(total, 4); // root + displayed replies + sentinel
assert!(truncated);
assert_eq!(messages[0].content, "root");
assert_eq!(messages[1].content, "middle reply");
assert_eq!(messages[2].content, "newest agent reply");
assert!(messages
.iter()
.all(|msg| msg.content != "sentinel omitted reply"));
}
_ => panic!("expected Thread context"),
}
}
#[test]
fn test_parse_nostr_thread_response_not_truncated_below_limit() {
let agent = Keys::generate();
let root_id = "1111111111111111111111111111111111111111111111111111111111111111";
let json = json!([
{
"id": root_id,
"pubkey": "rootpub",
"content": "root",
"created_at": 1000
},
{
"id": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"pubkey": "replypub",
"content": "reply",
"created_at": 2000
}
]);
let ctx = parse_nostr_thread_response(json, root_id, 2, &agent.public_key())
.expect("should parse");
match ctx {
ConversationContext::Thread {
messages,
total,
truncated,
} => {
assert_eq!(messages.len(), 2);
assert_eq!(total, 2);
assert!(!truncated);
}
_ => panic!("expected Thread context"),
}
}
#[test]
fn test_parse_nostr_thread_response_keeps_agent_reply_outside_recent_window() {
let agent = Keys::generate();
let root_id = "1111111111111111111111111111111111111111111111111111111111111111";
let agent_hex = agent.public_key().to_hex();
let json = json!([
{
"id": root_id,
"pubkey": "rootpub",
"content": "root",
"created_at": 1000
},
{
"id": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"pubkey": "humanpub",
"content": "newer human reply",
"created_at": 5000
},
{
"id": "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"pubkey": "humanpub",
"content": "middle human reply",
"created_at": 4000
},
{
"id": "cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc",
"pubkey": "humanpub",
"content": "oldest displayed reply without agent pin",
"created_at": 3000
},
{
"id": "dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd",
"pubkey": agent_hex,
"content": "agent reply outside recent window",
"created_at": 2000
}
]);
let ctx = parse_nostr_thread_response(json, root_id, 2, &agent.public_key())
.expect("should parse");
match ctx {
ConversationContext::Thread { messages, .. } => {
assert_eq!(messages.len(), 3); // root + 2 displayed replies
assert_eq!(messages[0].content, "root");
assert!(messages
.iter()
.any(|msg| msg.content == "agent reply outside recent window"));
assert!(messages
.iter()
.any(|msg| msg.content == "newer human reply"));
assert!(messages
.iter()
.all(|msg| msg.content != "middle human reply"));
assert!(messages
.iter()
.all(|msg| msg.content != "oldest displayed reply without agent pin"));
}
_ => panic!("expected Thread context"),
}
}
#[tokio::test]
async fn test_fetch_thread_context_uses_exact_count_when_above_sentinel_minimum() {
let agent = Keys::generate();
let root_id = "1111111111111111111111111111111111111111111111111111111111111111";
let channel_id = Uuid::new_v4();
let agent_pubkey = agent.public_key();
let json = json!([
thread_event(root_id, "rootpub", "root", 1000),
thread_event(
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"humanpub",
"newest reply",
4000
),
thread_event(
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"humanpub",
"middle reply",
3000
),
thread_event(
"cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc",
"humanpub",
"sentinel reply",
2000
)
]);
let ctx = fetch_thread_context_with(
channel_id,
root_id,
2,
agent_pubkey,
move |filters| {
assert_thread_query_filters(&filters, channel_id, root_id, agent_pubkey, 3);
std::future::ready(Ok(json.clone()))
},
move |filters| {
assert_thread_count_filter(&filters, channel_id, root_id);
std::future::ready(Ok(json!({ "count": 6 })))
},
)
.await
.expect("thread context");
match ctx {
ConversationContext::Thread {
messages,
total,
truncated,
} => {
assert!(truncated);
assert_eq!(messages.len(), 3);
assert_eq!(total, 7); // 6 replies + root
}
_ => panic!("expected Thread context"),
}
}
#[tokio::test]
async fn test_fetch_thread_context_does_not_add_missing_root_to_exact_count() {
let agent = Keys::generate();
let root_id = "1111111111111111111111111111111111111111111111111111111111111111";
let channel_id = Uuid::new_v4();
let json = json!([
thread_event(
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"humanpub",
"newest reply",
4000
),
thread_event(
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"humanpub",
"middle reply",
3000
),
thread_event(
"cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc",
"humanpub",
"sentinel reply",
2000
)
]);
let ctx = fetch_thread_context_with(
channel_id,
root_id,
2,
agent.public_key(),
move |_filters| std::future::ready(Ok(json.clone())),
|_filters| std::future::ready(Ok(json!({ "count": 6 }))),
)
.await
.expect("thread context");
match ctx {
ConversationContext::Thread {
messages,
total,
truncated,
} => {
assert!(truncated);
assert_eq!(messages.len(), 2);
assert_eq!(total, 6);
}
_ => panic!("expected Thread context"),
}
}
#[tokio::test]
async fn test_fetch_thread_context_clamps_count_below_sentinel_minimum() {
let agent = Keys::generate();
let root_id = "1111111111111111111111111111111111111111111111111111111111111111";
let channel_id = Uuid::new_v4();
let json = json!([
thread_event(root_id, "rootpub", "root", 1000),
thread_event(
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"humanpub",
"newest reply",
4000
),
thread_event(
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"humanpub",
"middle reply",
3000
),
thread_event(
"cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc",
"humanpub",
"sentinel reply",
2000
)
]);
let ctx = fetch_thread_context_with(
channel_id,
root_id,
2,
agent.public_key(),
move |_filters| std::future::ready(Ok(json.clone())),
|_filters| std::future::ready(Ok(json!({ "count": 1 }))),
)
.await
.expect("thread context");
match ctx {
ConversationContext::Thread {
messages,
total,
truncated,
} => {
assert!(truncated);
assert_eq!(messages.len(), 3);
assert_eq!(total, 4); // root + displayed replies + sentinel minimum
}
_ => panic!("expected Thread context"),
}
}
#[tokio::test]
async fn test_fetch_thread_context_preserves_sentinel_minimum_when_count_fails() {
let agent = Keys::generate();
let root_id = "1111111111111111111111111111111111111111111111111111111111111111";
let channel_id = Uuid::new_v4();
let json = json!([
thread_event(root_id, "rootpub", "root", 1000),
thread_event(
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"humanpub",
"newest reply",
4000
),
thread_event(
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"humanpub",
"middle reply",
3000
),
thread_event(
"cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc",
"humanpub",
"sentinel reply",
2000
)
]);
let ctx = fetch_thread_context_with(
channel_id,
root_id,
2,
agent.public_key(),
move |_filters| std::future::ready(Ok(json.clone())),
|_filters| std::future::ready(Err(crate::relay::RelayError::Http("boom".into()))),
)
.await
.expect("thread context");
match ctx {
ConversationContext::Thread {
messages,
total,
truncated,
} => {
assert!(truncated);
assert_eq!(messages.len(), 3);
assert_eq!(total, 4); // count failure leaves parser's sentinel minimum intact
}
_ => panic!("expected Thread context"),
}
}
#[tokio::test]
async fn test_fetch_thread_context_deduplicates_and_pins_agent_reply() {
let agent = Keys::generate();
let agent_hex = agent.public_key().to_hex();
let root_id = "1111111111111111111111111111111111111111111111111111111111111111";
let channel_id = Uuid::new_v4();
let json = json!([
thread_event(root_id, "rootpub", "root", 1000),
thread_event(
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"humanpub",
"newer human reply",
5000
),
thread_event(
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"humanpub",
"middle human reply",
4000
),
thread_event(
"cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc",
&agent_hex,
"agent reply outside recent window",
2000
),
// Same event as the separately fetched author-filtered result; the
// parser should deduplicate it before pinning.
thread_event(
"cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc",
&agent_hex,
"agent reply outside recent window",
2000
)
]);
let ctx = fetch_thread_context_with(
channel_id,
root_id,
2,
agent.public_key(),
move |_filters| std::future::ready(Ok(json.clone())),
|_filters| std::future::ready(Ok(json!({ "count": 3 }))),
)
.await
.expect("thread context");
match ctx {
ConversationContext::Thread {
messages,
total,
truncated,
} => {
assert!(truncated);
assert_eq!(total, 4);
assert_eq!(messages.len(), 3);
assert_eq!(
messages
.iter()
.filter(|msg| msg.content == "agent reply outside recent window")
.count(),
1,
"separate agent-reply query must not duplicate the same event"
);
assert!(messages
.iter()
.any(|msg| msg.content == "newer human reply"));
assert!(messages
.iter()
.all(|msg| msg.content != "middle human reply"));
}
_ => panic!("expected Thread context"),
}
}
#[tokio::test]
async fn test_fetch_thread_context_uses_distinct_fetched_replies_as_minimum() {
let agent = Keys::generate();
let agent_hex = agent.public_key().to_hex();
let root_id = "1111111111111111111111111111111111111111111111111111111111111111";
let channel_id = Uuid::new_v4();
let json = json!([
thread_event(root_id, "rootpub", "root", 1000),
thread_event(
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"humanpub",
"newest human reply",
5000
),
thread_event(
"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"humanpub",
"middle human reply",
4000
),
thread_event(
"cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc",
"humanpub",
"sentinel human reply",
3000
),
thread_event(
"dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd",
&agent_hex,
"older distinct agent reply",
2000
)
]);
let ctx = fetch_thread_context_with(
channel_id,
root_id,
2,
agent.public_key(),
move |_filters| std::future::ready(Ok(json.clone())),
|_filters| std::future::ready(Err(crate::relay::RelayError::Http("boom".into()))),
)
.await
.expect("thread context");
match ctx {
ConversationContext::Thread {
messages,
total,
truncated,
} => {
assert!(truncated);
assert_eq!(messages.len(), 3);
assert_eq!(
total, 5,
"root plus all four distinct fetched replies prove the lower bound"
);
assert!(messages
.iter()
.any(|msg| msg.content == "older distinct agent reply"));
assert!(messages
.iter()
.any(|msg| msg.content == "newest human reply"));
assert!(messages
.iter()
.all(|msg| msg.content != "middle human reply"));
assert!(messages
.iter()
.all(|msg| msg.content != "sentinel human reply"));
}
_ => panic!("expected Thread context"),
}
}
fn assert_thread_query_filters(
filters: &[nostr::Filter],
channel_id: Uuid,
root_id: &str,
agent_pubkey: nostr::PublicKey,
reply_limit: u64,
) {
assert_eq!(
filters.len(),
3,
"root, recent replies, and agent reply filters"
);
let root = serde_json::to_value(&filters[0]).expect("serialize root filter");
assert_eq!(root.get("ids"), Some(&json!([root_id])));
assert!(root.get("limit").is_none());
let replies = serde_json::to_value(&filters[1]).expect("serialize replies filter");
assert_eq!(replies.get("kinds"), Some(&json!([9, 40002])));
assert_eq!(replies.get("#e"), Some(&json!([root_id])));
assert_eq!(replies.get("#h"), Some(&json!([channel_id.to_string()])));
assert_eq!(replies.get("limit"), Some(&json!(reply_limit)));
assert!(replies.get("authors").is_none());
let agent = serde_json::to_value(&filters[2]).expect("serialize agent filter");
assert_eq!(agent.get("kinds"), Some(&json!([9, 40002])));
assert_eq!(agent.get("#e"), Some(&json!([root_id])));
assert_eq!(agent.get("#h"), Some(&json!([channel_id.to_string()])));
assert_eq!(agent.get("authors"), Some(&json!([agent_pubkey.to_hex()])));
assert_eq!(agent.get("limit"), Some(&json!(1)));
}
fn assert_thread_count_filter(filters: &[nostr::Filter], channel_id: Uuid, root_id: &str) {
assert_eq!(filters.len(), 1, "count should query only matching replies");
let count = serde_json::to_value(&filters[0]).expect("serialize count filter");
assert_eq!(count.get("kinds"), Some(&json!([9, 40002])));
assert_eq!(count.get("#e"), Some(&json!([root_id])));
assert_eq!(count.get("#h"), Some(&json!([channel_id.to_string()])));
assert_eq!(count.get("limit"), Some(&json!(0)));
assert!(count.get("ids").is_none());
assert!(count.get("authors").is_none());
}
fn thread_event(id: &str, pubkey: &str, content: &str, created_at: u64) -> serde_json::Value {
json!({
"id": id,
"pubkey": pubkey,
"content": content,
"created_at": created_at
})
}
#[test]
fn test_json_to_context_message_integer_timestamp() {
let obj = json!({

13
crates/buzz-acp/src/relay.rs
View File

@@ -405,6 +405,19 @@ impl RestClient {
.map_err(|e| RelayError::Http(e.to_string()))
}
/// Count events via the HTTP bridge: `POST /count` with NIP-98 auth.
///
/// Accepts a slice of `nostr::Filter` (serialized as JSON array).
/// Returns the bridge response as a `serde_json::Value` (usually `{ "count": n }`).
pub async fn count(&self, filters: &[nostr::Filter]) -> Result<Value, RelayError> {
let body_bytes = serde_json::to_vec(filters)
.map_err(|e| RelayError::Http(format!("filter serialize error: {e}")))?;
let resp = self.bridge_post("/count", &body_bytes).await?;
resp.json()
.await
.map_err(|e| RelayError::Http(e.to_string()))
}
/// Submit a signed event via the HTTP bridge: `POST /events` with NIP-98 auth.
///
/// The event must already be signed. Returns the relay response JSON.