agent conversation fix

This commit is contained in:
2026-06-27 12:42:37 +02:00
parent c2d1a669c5
commit 1fc7869160
38 changed files with 1173 additions and 1549 deletions

View File

@ -8,17 +8,16 @@
//! use (`orchestrator_watcher.rs`), so we assert MCP behaviour against a real
//! [`OrchestratorService`] without any I/O:
//!
//! 1. `tools/list` advertises the six `idea_*` tools, each with an input schema.
//! 1. `tools/list` advertises the MCP `idea_*` tools, each with an input schema.
//! 2. `tools/call` maps every tool to the right `OrchestratorCommand` (observed
//! through the fakes: spawn creates an agent, stop closes the session, …).
//! 3. `idea_ask_agent` returns the target's `reply` **inline**.
//! 4. `idea_list_agents` returns the agent list **inline** as a JSON array.
//! 5. A failed IdeA command ⇒ tool result `isError: true` (not a transport error,
//! 3. `idea_list_agents` returns the agent list **inline** as a JSON array.
//! 4. A failed IdeA command ⇒ tool result `isError: true` (not a transport error,
//! not a panic); the server stays alive for the next call.
//! 6. Malformed JSON-RPC ⇒ a typed `PARSE_ERROR`, never a panic.
//! 7. Unknown method / unknown tool ⇒ typed errors, never a panic.
//! 8. `initialize` answers the minimal handshake.
//! 9. A `tools/call` missing a required argument is rejected by the **same**
//! 5. Malformed JSON-RPC ⇒ a typed `PARSE_ERROR`, never a panic.
//! 6. Unknown method / unknown tool ⇒ typed errors, never a panic.
//! 7. `initialize` answers the minimal handshake.
//! 8. A `tools/call` missing a required argument is rejected by the **same**
//! `OrchestratorRequest::validate` (typed error, **no** dispatch).
use std::collections::HashMap;
@ -52,7 +51,7 @@ use application::{
CloseTerminal, CreateAgentFromScratch, CreateSkill, LaunchAgent, ListAgents,
OrchestratorService, TerminalSessions, UpdateAgentContext,
};
use infrastructure::orchestrator::mcp::jsonrpc::{error_codes, Transport, TransportError};
use infrastructure::orchestrator::mcp::jsonrpc::error_codes;
use infrastructure::{
InMemoryConversationRegistry, InMemoryMailbox, McpServer, MediatedInbox, MemoryTransport,
SystemMillisClock,
@ -421,20 +420,6 @@ fn build_service_with_mailbox(
(Arc::new(service), mailbox, sessions)
}
/// Pre-seeds a live PTY terminal session for `agent_id` so `ask_agent` reuses it.
fn seed_live_pty(sessions: &TerminalSessions, agent_id: AgentId, session_id: SessionId) {
sessions.insert(
PtyHandle { session_id },
TerminalSession::starting(
session_id,
NodeId::from_uuid(Uuid::from_u128(7)),
ProjectPath::new("/home/me/proj").unwrap(),
SessionKind::Agent { agent_id },
PtySize { rows: 24, cols: 80 },
),
);
}
fn server(service: Arc<OrchestratorService>) -> McpServer {
McpServer::new(service, project())
}
@ -479,7 +464,7 @@ fn result_text(result: &Value) -> &str {
// ---------------------------------------------------------------------------
#[tokio::test]
async fn tools_list_advertises_the_seven_idea_tools_with_schemas() {
async fn tools_list_advertises_the_idea_tools_with_schemas() {
let (service, _s) = build_service(FakeContexts::new());
let server = server(service);
@ -501,7 +486,6 @@ async fn tools_list_advertises_the_seven_idea_tools_with_schemas() {
for expected in [
"idea_list_agents",
"idea_ask_agent",
"idea_reply",
"idea_launch_agent",
"idea_stop_agent",
"idea_update_context",
@ -522,10 +506,11 @@ async fn tools_list_advertises_the_seven_idea_tools_with_schemas() {
"missing tool {expected}; got {names:?}"
);
}
assert!(!names.contains(&"idea_reply"));
assert_eq!(
tools.len(),
14,
"exactly the fourteen idea_* tools (7 base + idea_skill_read + 4 FileGuard C7 + 2 live-state LS4); got {names:?}"
13,
"exactly the thirteen exposed idea_* tools; got {names:?}"
);
// Every tool advertises an object input schema.
@ -634,76 +619,32 @@ async fn update_context_and_create_skill_calls_succeed() {
}
// ---------------------------------------------------------------------------
// 3. idea_ask_agent returns the reply inline
// 3. Inter-agent delegation is exposed through MCP; reply protocol is not
// ---------------------------------------------------------------------------
#[tokio::test]
async fn ask_agent_returns_target_reply_inline() {
// Option 1 (B-3/B-4): `idea_ask_agent` writes the task into the target's live
// terminal and blocks on the mailbox; the target's `idea_reply` (carrying its
// handshake identity as requester) resolves it, and the ask returns the result
// inline. We drive both over the MCP server, the ask on a spawned task.
async fn ask_agent_tool_reaches_shared_validation_before_dispatch() {
let contexts = FakeContexts::new();
let agent_id = contexts.seed_agent("architect");
let (service, mailbox, sessions) = build_service_with_mailbox(contexts);
seed_live_pty(
&sessions,
agent_id,
SessionId::from_uuid(Uuid::from_u128(4242)),
);
contexts.seed_agent("architect");
let (service, _mailbox, _sessions) = build_service_with_mailbox(contexts);
let server = server(service);
let ask_server = server(Arc::clone(&service));
let ask = tokio::spawn(async move {
let raw = tools_call(
7,
"idea_ask_agent",
json!({ "target": "architect", "task": "What is the answer?" }),
);
ask_server.handle_raw(&raw).await.expect("reply owed")
});
// Wait until the ask has enqueued its ticket (it is now blocked awaiting a reply).
tokio::time::timeout(std::time::Duration::from_secs(10), async {
while mailbox.pending(&agent_id) == 0 {
tokio::task::yield_now().await;
}
})
.await
.expect("ask must enqueue a ticket");
// The target replies via idea_reply — its identity comes from the handshake
// requester, which `for_requester` injects as the `from` of the Reply command.
let reply_server = server(Arc::clone(&service)).for_requester(agent_id.to_string());
let reply_raw = tools_call(8, "idea_reply", json!({ "result": "the answer is 42" }));
let reply_resp = reply_server
.handle_raw(&reply_raw)
.await
.expect("reply owed");
assert_eq!(reply_resp.result.expect("result")["isError"], json!(false));
let response = tokio::time::timeout(std::time::Duration::from_secs(10), ask)
.await
.expect("ask completes after reply")
.expect("join ok");
assert_eq!(response.id, json!(7), "id must be echoed");
let raw = tools_call(7, "idea_ask_agent", json!({ "target": "architect" }));
let response = server.handle_raw(&raw).await.expect("reply owed");
let error = response.error.expect("validation error expected");
assert_eq!(error.code, error_codes::INVALID_PARAMS);
assert!(
response.error.is_none(),
"transport error: {:?}",
response.error
error.message.contains("task"),
"shared validation should reject the missing task, got {error:?}"
);
let result = response.result.expect("result");
assert_eq!(result["isError"], json!(false), "got {result}");
assert_eq!(
result_text(&result),
"the answer is 42",
"ask reply must be returned inline; got {result}"
assert!(
response.result.is_none(),
"no dispatch on validation failure"
);
}
/// `idea_reply` with no in-flight ask for the connected peer ⇒ the IdeA command
/// fails, surfaced as a tool execution error (`isError: true`), never a panic.
#[tokio::test]
async fn reply_without_pending_ask_is_a_tool_error() {
async fn reply_tool_is_not_exposed_over_mcp() {
let contexts = FakeContexts::new();
let agent_id = contexts.seed_agent("architect");
let (service, _mailbox, _sessions) = build_service_with_mailbox(contexts);
@ -711,9 +652,9 @@ async fn reply_without_pending_ask_is_a_tool_error() {
let raw = tools_call(9, "idea_reply", json!({ "result": "orphan" }));
let resp = reply_server.handle_raw(&raw).await.expect("reply owed");
// Mapped + dispatched, but the command failed ⇒ tool error, transport intact.
assert!(resp.error.is_none(), "no transport error: {:?}", resp.error);
assert_eq!(resp.result.expect("result")["isError"], json!(true));
let error = resp.error.expect("unknown tool error expected");
assert_eq!(error.code, error_codes::METHOD_NOT_FOUND);
assert!(resp.result.is_none());
}
// ---------------------------------------------------------------------------
@ -911,22 +852,18 @@ async fn initialize_fires_ready_sink_with_requester() {
// ---------------------------------------------------------------------------
#[tokio::test]
async fn ask_agent_missing_task_is_rejected_by_shared_validation_no_dispatch() {
async fn ask_agent_missing_required_argument_is_rejected_before_dispatch() {
let contexts = FakeContexts::new();
contexts.seed_agent("architect");
// If validation wrongly let this through to dispatch, ask_agent would try to
// launch/contact the target and the error would differ. A validation rejection
// here is INVALID_PARAMS, before dispatch.
let (service, _mailbox, _sessions) = build_service_with_mailbox(contexts);
let server = server(service);
let raw = tools_call(5, "idea_ask_agent", json!({ "target": "architect" }));
let response = server.handle_raw(&raw).await.expect("reply owed");
// Rejected at the mapping/validation seam → a JSON-RPC INVALID_PARAMS error,
// NOT a tool result (which would mean dispatch happened).
let error = response.error.expect("validation error expected");
assert_eq!(error.code, error_codes::INVALID_PARAMS, "got {error:?}");
assert!(error.message.contains("task"), "got {error:?}");
assert!(response.result.is_none(), "no dispatch ⇒ no tool result");
}
@ -1096,179 +1033,6 @@ async fn server_without_event_sink_emits_nothing_and_does_not_panic() {
assert_eq!(contexts.entries().len(), 1);
}
// ---------------------------------------------------------------------------
// 10. Anti-wedge (régression du bug serveur lockstep) + timeout du rendezvous.
//
// Cœur de la régression : un `idea_ask_agent` en attente de son `idea_reply`
// ne doit PLUS parquer toute la connexion. La preuve : pendant qu'un ask est
// bloqué (rendezvous jamais résolu), un second appel (`tools/list`) sur la
// MÊME connexion reçoit sa réponse. L'ancien `serve` lockstep ne lisait plus
// rien tant que `handle_raw` de l'ask n'avait pas rendu → ce test bouclait.
// ---------------------------------------------------------------------------
/// Transport scriptable qui **reste ouvert** : il livre `inbound` dans l'ordre,
/// puis, une fois la file vide, `recv` reste en attente (au lieu de fermer) tant
/// que le test n'a pas appelé `close()`. Cela laisse la boucle `serve` vivante —
/// donc capable de drainer les réponses des tâches encore en vol — pendant qu'un
/// `idea_ask_agent` est parqué. Les `send` sont capturés sur un canal `mpsc`.
struct GatedTransport {
inbound: std::collections::VecDeque<Vec<u8>>,
outbound: tokio::sync::mpsc::UnboundedSender<Vec<u8>>,
close: Arc<tokio::sync::Notify>,
}
impl GatedTransport {
fn new(
messages: Vec<Vec<u8>>,
) -> (
Self,
tokio::sync::mpsc::UnboundedReceiver<Vec<u8>>,
Arc<tokio::sync::Notify>,
) {
let (tx, rx) = tokio::sync::mpsc::unbounded_channel();
let close = Arc::new(tokio::sync::Notify::new());
(
Self {
inbound: messages.into(),
outbound: tx,
close: Arc::clone(&close),
},
rx,
close,
)
}
}
#[async_trait]
impl Transport for GatedTransport {
async fn recv(&mut self) -> Result<Vec<u8>, TransportError> {
if let Some(next) = self.inbound.pop_front() {
return Ok(next);
}
// File vide : on n'émet PAS Closed tout de suite — on attend le signal de
// fermeture pour ne pas tuer la boucle pendant qu'un ask est encore parqué.
self.close.notified().await;
Err(TransportError::Closed)
}
async fn send(&mut self, message: &[u8]) -> Result<(), TransportError> {
self.outbound
.send(message.to_vec())
.map_err(|_| TransportError::Closed)
}
}
#[tokio::test]
async fn pending_ask_does_not_wedge_the_connection_concurrent_call_still_answered() {
// Un `idea_ask_agent` vers une cible vivante bloque sur la mailbox (aucun
// `idea_reply` ne viendra). Sur la MÊME connexion, un `tools/list` qui suit
// doit recevoir sa réponse SANS attendre la résolution de l'ask.
let contexts = FakeContexts::new();
let agent_id = contexts.seed_agent("architect");
let (service, mailbox, sessions) = build_service_with_mailbox(contexts);
seed_live_pty(
&sessions,
agent_id,
SessionId::from_uuid(Uuid::from_u128(909)),
);
let server = server(service);
let ask = tools_call(
1,
"idea_ask_agent",
json!({ "target": "architect", "task": "blocking..." }),
);
let list = serde_json::to_vec(&json!({
"jsonrpc": "2.0", "id": 2, "method": "tools/list"
}))
.unwrap();
let (transport, mut rx, close) = GatedTransport::new(vec![ask, list]);
let serve = tokio::spawn(async move {
let mut transport = transport;
server.serve(&mut transport).await;
});
// L'ask a bien été enqueué (donc il est parqué en attente de reply).
tokio::time::timeout(std::time::Duration::from_secs(10), async {
while mailbox.pending(&agent_id) == 0 {
tokio::task::yield_now().await;
}
})
.await
.expect("ask must enqueue a ticket");
// La réponse au `tools/list` arrive AVANT que l'ask soit résolu : c'est la
// preuve anti-wedge. (Sur l'ancien code lockstep, ce recv timeout-ait.)
let response = tokio::time::timeout(std::time::Duration::from_secs(10), rx.recv())
.await
.expect("tools/list must be answered while the ask is still pending")
.expect("a response payload");
let response: Value = serde_json::from_slice(&response).unwrap();
assert_eq!(response["id"], json!(2), "the answered call is tools/list");
assert!(
response["result"]["tools"].is_array(),
"tools/list result, got {response}"
);
// L'ask est toujours en vol (non résolu, aucun `idea_reply` ne viendra) : la
// boucle restera en attente de sa réponse, c'est attendu. On la ferme et on
// abandonne la tâche serve (le rendezvous parqué ne se résoudra jamais ici).
assert_eq!(mailbox.pending(&agent_id), 1, "ask still pending");
close.notify_one();
serve.abort();
let _ = serve.await;
}
#[tokio::test]
async fn ask_agent_rendezvous_times_out_with_a_jsonrpc_error() {
// La cible ne répondra jamais. Avec une borne courte injectée, l'ask doit
// finir par renvoyer une ERREUR JSON-RPC propre (filet de sécurité serveur),
// au lieu de pendre indéfiniment.
let contexts = FakeContexts::new();
let agent_id = contexts.seed_agent("architect");
let (service, _mailbox, sessions) = build_service_with_mailbox(contexts);
seed_live_pty(
&sessions,
agent_id,
SessionId::from_uuid(Uuid::from_u128(910)),
);
let server = server(service).with_ask_rendezvous_timeout(std::time::Duration::from_millis(50));
let raw = tools_call(
1,
"idea_ask_agent",
json!({ "target": "architect", "task": "never answered" }),
);
let response =
tokio::time::timeout(std::time::Duration::from_secs(10), server.handle_raw(&raw))
.await
.expect("must not hang past the injected timeout")
.expect("reply owed");
let error = response.error.expect("a JSON-RPC error on timeout");
// Filet serveur : code DISTINCT de l'INTERNAL_ERROR opaque, sémantique typée et
// retryable (miroir de `AppError::TargetReturnedNoReply`).
assert_eq!(
error.code,
error_codes::RENDEZVOUS_NO_REPLY,
"rendezvous timeout maps to the distinct typed code, got {error:?}"
);
assert_ne!(
error.code,
error_codes::INTERNAL_ERROR,
"must NOT be the opaque internal error"
);
assert!(
error.message.contains("idea_reply"),
"message must steer the caller back to idea_reply, got {error:?}"
);
let data = error.data.expect("typed data on the rendezvous error");
assert_eq!(data["code"], "TARGET_RETURNED_NO_REPLY", "got {data:?}");
assert_eq!(data["retryable"], true, "got {data:?}");
assert!(response.result.is_none(), "error responses carry no result");
}
// ---------------------------------------------------------------------------
// Diagnostics capture (instrumentation des blocages de délégation)
//
@ -1290,57 +1054,6 @@ fn read_diag(path: &std::path::Path) -> String {
std::fs::read_to_string(path).unwrap_or_default()
}
/// Proves the `[mcp]` rendezvous trace: a wedged `idea_ask_agent` (target that
/// never replies) emits begin → armed → EXPIRED, plus the `[mcp] mapped` beacon.
#[tokio::test]
async fn diag_capture_mcp_ask_begin_armed_expired() {
let log = diag_log_path();
// Unique target name ⇒ only THIS test's beacons match `target=diag-wedge`.
let contexts = FakeContexts::new();
let agent_id = contexts.seed_agent("diag-wedge");
let (service, _mailbox, sessions) = build_service_with_mailbox(contexts);
seed_live_pty(
&sessions,
agent_id,
SessionId::from_uuid(Uuid::from_u128(0xD1A6_0911)),
);
let server = server(service).with_ask_rendezvous_timeout(std::time::Duration::from_millis(50));
let raw = tools_call(
1,
"idea_ask_agent",
json!({ "target": "diag-wedge", "task": "never answered diag" }),
);
let response =
tokio::time::timeout(std::time::Duration::from_secs(10), server.handle_raw(&raw))
.await
.expect("must not hang past the injected timeout")
.expect("reply owed");
assert!(
response.error.is_some(),
"wedged ask returns a JSON-RPC error"
);
let body = read_diag(&log);
assert!(
body.contains("[mcp] mapped kind=ask_agent target=diag-wedge"),
"mapped beacon missing: {body}"
);
assert!(
body.contains("[mcp] tools_call begin tool=idea_ask_agent")
&& body.contains("target=diag-wedge"),
"begin beacon missing: {body}"
);
assert!(
body.contains("[mcp] ask armed") && body.contains("target=diag-wedge"),
"armed beacon missing: {body}"
);
assert!(
body.contains("[mcp] ask EXPIRED") && body.contains("target=diag-wedge"),
"EXPIRED beacon missing: {body}"
);
}
/// Proves the `[rendezvous] idea_reply received` beacon fires BEFORE correlation and
/// is followed by `UNMATCHED` when no in-flight ask exists for the emitter.
#[tokio::test]