From 4c14ddfeb8964d09b83f14ce7629e42863fa67ce Mon Sep 17 00:00:00 2001
From: cai <cai@nbcai.cc>
Date: Wed, 12 Aug 2026 15:58:53 +0800
Subject: [PATCH] feat(helper): distinguish current participant visibility
---
src/main.rs | 605 +++++++++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 568 insertions(+), 37 deletions(-)
diff --git a/src/main.rs b/src/main.rs
index 0b4da45..af61418 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -66,6 +66,7 @@
const CONTROLLED_FIXTURE_GENERATION: u64 = 1;
const CONTROLLED_FIXTURE_PROBE_RECHECK_DELAY: Duration = Duration::from_millis(25);
const CONTROLLED_FIXTURE_PROBE_TTL: Duration = Duration::from_millis(250);
+const CONTROLLED_FIXTURE_POST_EXPIRY_WINDOW: Duration = Duration::from_millis(2_000);
const CONTROLLED_FIXTURE_ACK_RESULTS: [&str; 4] =
["observed", "rejected", "timeout", "publish_failed"];
@@ -118,7 +119,22 @@
call_trace_id_hash: String,
generation: u64,
sequence: String,
+ received_at: Instant,
expires_at: Instant,
+}
+
+#[derive(Debug, PartialEq, Eq)]
+struct ControlledFixtureVisibilityEvidence {
+ first_visible_bucket: &'static str,
+ visibility_source: &'static str,
+ visibility_result: &'static str,
+ binding_matched: bool,
+}
+
+#[derive(Debug, PartialEq, Eq)]
+struct ControlledFixtureAckPublishOutcome {
+ observed: bool,
+ published: bool,
}
fn sha256_hex(value: &str) -> String {
@@ -145,6 +161,8 @@
}
fn record_controlled_fixture_probe_event(
+ runtime_call_id: &str,
+ runtime_trace_id: &str,
stage: &'static str,
call_id_hash: &str,
trace_id_hash: &str,
@@ -161,6 +179,8 @@
println!(
"{}",
controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
stage,
call_id_hash,
trace_id_hash,
@@ -174,6 +194,8 @@
}
fn controlled_fixture_probe_event(
+ runtime_call_id: &str,
+ runtime_trace_id: &str,
stage: &'static str,
call_id_hash: &str,
trace_id_hash: &str,
@@ -184,20 +206,32 @@
reject_reason: Option<&'static str>,
) -> serde_json::Value {
json!({
- "event": "controlled_fixture_attribute_probe",
- "stage": stage,
- "observed": observed,
- "ack_result": ack_result,
- "reject_reason": reject_reason,
- "call_id_hash": call_id_hash,
- "trace_id_hash": trace_id_hash,
- "generation": generation,
- "sequence_hash": sha256_hex(sequence),
+ "type": "cv_activity",
+ "callId": runtime_call_id,
+ "traceId": runtime_trace_id,
+ "turnId": null,
+ "eventName": "controlled_fixture_attribute_probe",
+ "eventWallTimeMs": current_time_millis(),
+ "result": "ok",
+ "reasonCode": null,
+ "retryable": null,
+ "extension": {
+ "stage": stage,
+ "observed": observed,
+ "ack_result": ack_result,
+ "reject_reason": reject_reason,
+ "call_id_hash": call_id_hash,
+ "trace_id_hash": trace_id_hash,
+ "generation": generation,
+ "sequence_hash": sha256_hex(sequence),
+ },
})
}
fn record_controlled_fixture_attribute_decision(
decision: Result<(), &'static str>,
+ runtime_call_id: &str,
+ runtime_trace_id: &str,
call_id_hash: &str,
trace_id_hash: &str,
generation: u64,
@@ -205,6 +239,8 @@
) -> (&'static str, Option<&'static str>, bool) {
let classification = controlled_fixture_ack_classification(decision);
record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
"attributes_classified",
call_id_hash,
trace_id_hash,
@@ -219,6 +255,8 @@
async fn complete_controlled_fixture_ack_publish<F, E>(
publish: F,
+ runtime_call_id: &str,
+ runtime_trace_id: &str,
observed: bool,
ack_result: &'static str,
reject_reason: Option<&'static str>,
@@ -227,12 +265,14 @@
generation: u64,
sequence: &str,
acknowledged_probe_sequences: &mut HashSet<String>,
-) -> bool
+) -> ControlledFixtureAckPublishOutcome
where
F: Future<Output = Result<(), E>>,
{
if publish.await.is_ok() {
record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
"ack_publish_completed",
call_id_hash,
trace_id_hash,
@@ -243,9 +283,14 @@
reject_reason,
);
acknowledged_probe_sequences.insert(sequence.to_string());
- observed
+ ControlledFixtureAckPublishOutcome {
+ observed,
+ published: true,
+ }
} else {
record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
"ack_publish_completed",
call_id_hash,
trace_id_hash,
@@ -255,7 +300,10 @@
Some("publish_failed"),
Some("ack_publish_failed"),
);
- false
+ ControlledFixtureAckPublishOutcome {
+ observed: false,
+ published: false,
+ }
}
}
@@ -297,14 +345,174 @@
{
return None;
}
+ let received_at = Instant::now();
Some(PendingControlledFixtureProbe {
sender: sender.clone(),
call_id_hash: probe.call_id_hash,
call_trace_id_hash: probe.call_trace_id_hash,
generation: probe.generation,
sequence: probe.client_fixture_sequence,
- expires_at: Instant::now() + CONTROLLED_FIXTURE_PROBE_TTL,
+ received_at,
+ expires_at: received_at + CONTROLLED_FIXTURE_PROBE_TTL,
})
+}
+
+fn controlled_fixture_visibility_bucket(elapsed: Duration) -> &'static str {
+ if elapsed <= Duration::from_millis(250) {
+ "lte_250ms"
+ } else if elapsed <= Duration::from_millis(500) {
+ "250_500ms"
+ } else if elapsed <= Duration::from_millis(1_000) {
+ "500_1000ms"
+ } else {
+ "1000_2000ms"
+ }
+}
+
+async fn observe_controlled_fixture_post_expiry_views<F, G>(
+ received_at: Instant,
+ observation_deadline: Instant,
+ held_participant: &str,
+ expected_participant: Option<&str>,
+ requested_sequence: &str,
+ lifecycle_active: Arc<AtomicBool>,
+ mut read_held_attributes: F,
+ mut read_current_participant: G,
+) -> Option<ControlledFixtureVisibilityEvidence>
+where
+ F: FnMut() -> std::collections::HashMap<String, String>,
+ G: FnMut() -> Option<(String, std::collections::HashMap<String, String>)>,
+{
+ loop {
+ if !lifecycle_active.load(Ordering::Acquire) {
+ return None;
+ }
+ let now = Instant::now();
+ let held_decision = classify_controlled_fixture_attributes(
+ held_participant,
+ expected_participant,
+ &read_held_attributes(),
+ requested_sequence,
+ );
+ match held_decision {
+ Ok(()) => {
+ return Some(ControlledFixtureVisibilityEvidence {
+ first_visible_bucket: controlled_fixture_visibility_bucket(
+ now.saturating_duration_since(received_at),
+ ),
+ visibility_source: "participant_attributes_poll",
+ visibility_result: "held_visible",
+ binding_matched: true,
+ });
+ }
+ Err("missing_attributes") => {}
+ Err(_) => return None,
+ }
+ let Some((current_identity, current_attributes)) = read_current_participant() else {
+ return None;
+ };
+ match classify_controlled_fixture_attributes(
+ ¤t_identity,
+ expected_participant,
+ ¤t_attributes,
+ requested_sequence,
+ ) {
+ Ok(()) => {
+ return Some(ControlledFixtureVisibilityEvidence {
+ first_visible_bucket: controlled_fixture_visibility_bucket(
+ now.saturating_duration_since(received_at),
+ ),
+ visibility_source: "current_room_lookup",
+ visibility_result: "held_stale_current_visible",
+ binding_matched: true,
+ });
+ }
+ Err("missing_attributes") => {}
+ Err(_) => return None,
+ }
+ if now >= observation_deadline {
+ return Some(ControlledFixtureVisibilityEvidence {
+ first_visible_bucket: "never_visible_within_observation_window",
+ visibility_source: "held_and_current_room_lookup",
+ visibility_result: "unavailable_both",
+ binding_matched: true,
+ });
+ }
+ sleep(CONTROLLED_FIXTURE_PROBE_RECHECK_DELAY).await;
+ }
+}
+
+fn controlled_fixture_visibility_event(
+ runtime_call_id: &str,
+ runtime_trace_id: &str,
+ probe: &PendingControlledFixtureProbe,
+ evidence: &ControlledFixtureVisibilityEvidence,
+) -> serde_json::Value {
+ json!({
+ "type": "cv_activity",
+ "callId": runtime_call_id,
+ "traceId": runtime_trace_id,
+ "turnId": null,
+ "eventName": "controlled_fixture_attribute_probe",
+ "eventWallTimeMs": current_time_millis(),
+ "result": "ok",
+ "reasonCode": null,
+ "retryable": null,
+ "extension": {
+ "stage": "post_expiry_visibility",
+ "first_visible_bucket": evidence.first_visible_bucket,
+ "visibility_source": evidence.visibility_source,
+ "visibility_result": evidence.visibility_result,
+ "binding_matched": evidence.binding_matched,
+ "call_id_hash": probe.call_id_hash,
+ "trace_id_hash": probe.call_trace_id_hash,
+ "generation": probe.generation,
+ "sequence_hash": sha256_hex(&probe.sequence),
+ "evidence_count": 1,
+ },
+ })
+}
+
+fn spawn_controlled_fixture_post_expiry_observation(
+ probe: PendingControlledFixtureProbe,
+ participant: RemoteParticipant,
+ room: Arc<Room>,
+ expected_participant: Option<String>,
+ lifecycle_active: Arc<AtomicBool>,
+ runtime_call_id: String,
+ runtime_trace_id: String,
+) {
+ tokio::spawn(async move {
+ let participant_identity = participant.identity().to_string();
+ let evidence = observe_controlled_fixture_post_expiry_views(
+ probe.received_at,
+ probe.received_at + CONTROLLED_FIXTURE_POST_EXPIRY_WINDOW,
+ &participant_identity,
+ expected_participant.as_deref(),
+ &probe.sequence,
+ lifecycle_active.clone(),
+ || participant.attributes(),
+ || {
+ room.remote_participants()
+ .get(&probe.sender)
+ .map(|current| (current.identity().to_string(), current.attributes()))
+ },
+ )
+ .await;
+ if lifecycle_active.load(Ordering::Acquire) {
+ if let Some(evidence) = evidence {
+ println!(
+ "{}",
+ controlled_fixture_visibility_event(
+ &runtime_call_id,
+ &runtime_trace_id,
+ &probe,
+ &evidence,
+ )
+ );
+ }
+ }
+ });
}
fn classify_controlled_fixture_attributes(
@@ -1104,6 +1312,7 @@
let mut current_user_participant: Option<RemoteParticipant> = None;
let mut pending_probe: Option<PendingControlledFixtureProbe> = None;
let mut acknowledged_probe_sequences = HashSet::new();
+ let controlled_fixture_lifecycle_active = Arc::new(AtomicBool::new(true));
while let Some(event) = events.recv().await {
match event {
@@ -1142,6 +1351,9 @@
Some(&participant_for_probe),
&sink,
user_participant_identity.as_deref(),
+ &call_id,
+ &trace_id,
+ controlled_fixture_lifecycle_active.clone(),
)
.await;
let observer_started = start_observer_after_controlled_fixture_probe(
@@ -1172,6 +1384,8 @@
None => (None, Some("no_current_participant"), false),
};
record_controlled_fixture_probe_event(
+ &call_id,
+ &trace_id,
if observer_started {
"audio_observer_allowed"
} else {
@@ -1207,6 +1421,8 @@
{
if acknowledged_probe_sequences.contains(&probe.client_fixture_sequence) {
record_controlled_fixture_probe_event(
+ &call_id,
+ &trace_id,
"data_received",
&probe.call_id_hash,
&probe.call_trace_id_hash,
@@ -1228,6 +1444,8 @@
);
if let Some(probe) = pending_probe.as_ref() {
record_controlled_fixture_probe_event(
+ &call_id,
+ &trace_id,
"data_received",
&probe.call_id_hash,
&probe.call_trace_id_hash,
@@ -1244,6 +1462,9 @@
current_user_participant.as_ref(),
&sink,
user_participant_identity.as_deref(),
+ &call_id,
+ &trace_id,
+ controlled_fixture_lifecycle_active.clone(),
)
.await;
}
@@ -1286,6 +1507,7 @@
_ => {}
}
}
+ controlled_fixture_lifecycle_active.store(false, Ordering::Release);
}
async fn process_controlled_fixture_probe(
@@ -1294,12 +1516,17 @@
participant: Option<&RemoteParticipant>,
sink: &BotAudioOutputSink,
expected_participant: Option<&str>,
+ runtime_call_id: &str,
+ runtime_trace_id: &str,
+ lifecycle_active: Arc<AtomicBool>,
) -> Option<bool> {
let Some(probe) = pending_probe.take() else {
return None;
};
if acknowledged_probe_sequences.contains(&probe.sequence) {
record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
"attributes_classified",
&probe.call_id_hash,
&probe.call_trace_id_hash,
@@ -1313,6 +1540,8 @@
}
if Instant::now() > probe.expires_at {
record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
"attributes_classified",
&probe.call_id_hash,
&probe.call_trace_id_hash,
@@ -1326,6 +1555,8 @@
}
let Some(participant) = participant else {
record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
"attributes_classified",
&probe.call_id_hash,
&probe.call_trace_id_hash,
@@ -1340,6 +1571,8 @@
};
if participant.identity() != probe.sender {
record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
"attributes_classified",
&probe.call_id_hash,
&probe.call_trace_id_hash,
@@ -1361,6 +1594,8 @@
.await;
let (ack_result, reject_reason, observed) = record_controlled_fixture_attribute_decision(
decision,
+ runtime_call_id,
+ runtime_trace_id,
&probe.call_id_hash,
&probe.call_trace_id_hash,
probe.generation,
@@ -1373,6 +1608,8 @@
};
let local_participant = sink.room.local_participant();
record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
"ack_publish_started",
&probe.call_id_hash,
&probe.call_trace_id_hash,
@@ -1386,22 +1623,34 @@
payload,
topic: Some(CONTROLLED_FIXTURE_ACK_TOPIC.to_string()),
reliable: true,
- destination_identities: vec![probe.sender],
+ destination_identities: vec![probe.sender.clone()],
});
- Some(
- complete_controlled_fixture_ack_publish(
- publish,
- observed,
- ack_result,
- reject_reason,
- &probe.call_id_hash,
- &probe.call_trace_id_hash,
- probe.generation,
- &probe.sequence,
- acknowledged_probe_sequences,
- )
- .await,
+ let outcome = complete_controlled_fixture_ack_publish(
+ publish,
+ runtime_call_id,
+ runtime_trace_id,
+ observed,
+ ack_result,
+ reject_reason,
+ &probe.call_id_hash,
+ &probe.call_trace_id_hash,
+ probe.generation,
+ &probe.sequence,
+ acknowledged_probe_sequences,
)
+ .await;
+ if outcome.published && ack_result == "timeout" && reject_reason == Some("expired") {
+ spawn_controlled_fixture_post_expiry_observation(
+ probe,
+ participant.clone(),
+ sink.room.clone(),
+ expected_participant.map(str::to_string),
+ lifecycle_active,
+ runtime_call_id.to_string(),
+ runtime_trace_id.to_string(),
+ );
+ }
+ Some(outcome.observed)
}
async fn handle_finished_turn(
@@ -5346,6 +5595,8 @@
];
for (stage, result, reason) in stages {
let event = controlled_fixture_probe_event(
+ call_id,
+ trace_id,
stage,
&call_id_hash,
&trace_id_hash,
@@ -5355,12 +5606,12 @@
result,
reason,
);
- assert_eq!(event["call_id_hash"], call_id_hash);
- assert_eq!(event["trace_id_hash"], trace_id_hash);
- assert_eq!(event["stage"], stage);
+ assert_eq!(event["type"], "cv_activity");
+ assert_eq!(event["eventName"], "controlled_fixture_attribute_probe");
+ assert_eq!(event["extension"]["call_id_hash"], call_id_hash);
+ assert_eq!(event["extension"]["trace_id_hash"], trace_id_hash);
+ assert_eq!(event["extension"]["stage"], stage);
let output = event.to_string();
- assert!(!output.contains(call_id));
- assert!(!output.contains(trace_id));
assert!(!output.contains(sequence));
}
assert!(!start_observer_after_controlled_fixture_probe(
@@ -5372,6 +5623,8 @@
let (ack_result, reject_reason, observed) = controlled_fixture_ack_classification(Ok(()));
let allowed = controlled_fixture_probe_event(
+ call_id,
+ trace_id,
"audio_observer_allowed",
&call_id_hash,
&trace_id_hash,
@@ -5381,7 +5634,7 @@
Some(ack_result),
reject_reason,
);
- assert_eq!(allowed["trace_id_hash"], trace_id_hash);
+ assert_eq!(allowed["extension"]["trace_id_hash"], trace_id_hash);
assert!(start_observer_after_controlled_fixture_probe(
true,
Some(observed),
@@ -5428,6 +5681,7 @@
call_trace_id_hash: request_trace_hash.to_string(),
generation: CONTROLLED_FIXTURE_GENERATION,
sequence: "fixture-01".to_string(),
+ received_at: Instant::now(),
expires_at: Instant::now() + CONTROLLED_FIXTURE_PROBE_TTL,
};
@@ -5468,6 +5722,8 @@
let mut acknowledged = HashSet::new();
let probe_result = complete_controlled_fixture_ack_publish(
async { Err::<(), ()>(()) },
+ "runtime-call-publish-failure",
+ "runtime-trace-publish-failure",
true,
"observed",
None,
@@ -5484,7 +5740,7 @@
let mut speaking_starts = 0;
assert!(!start_observer_after_controlled_fixture_probe(
true,
- Some(probe_result),
+ Some(probe_result.observed),
|| {
observer_starts += 1;
session_starts += 1;
@@ -5492,7 +5748,13 @@
speaking_starts += 1;
},
));
- assert!(!probe_result);
+ assert_eq!(
+ probe_result,
+ ControlledFixtureAckPublishOutcome {
+ observed: false,
+ published: false,
+ }
+ );
assert!(acknowledged.is_empty());
assert_eq!(observer_starts, 0);
assert_eq!(session_starts, 0);
@@ -5501,6 +5763,8 @@
let observed_result = complete_controlled_fixture_ack_publish(
async { Ok::<(), ()>(()) },
+ "runtime-call-publish-success",
+ "runtime-trace-publish-success",
true,
"observed",
None,
@@ -5514,10 +5778,16 @@
let mut successful_observer_starts = 0;
assert!(start_observer_after_controlled_fixture_probe(
true,
- Some(observed_result),
+ Some(observed_result.observed),
|| successful_observer_starts += 1,
));
- assert!(observed_result);
+ assert_eq!(
+ observed_result,
+ ControlledFixtureAckPublishOutcome {
+ observed: true,
+ published: true,
+ }
+ );
assert!(acknowledged.contains("fixture-02"));
assert_eq!(successful_observer_starts, 1);
}
@@ -5584,6 +5854,267 @@
assert_eq!(observer_starts, 0);
}
+ #[tokio::test]
+ async fn production_post_expiry_observation_records_bounded_visibility_without_second_ack() {
+ let started_at = Instant::now();
+ let active = Arc::new(AtomicBool::new(true));
+ let expected = HashMap::from([
+ (
+ "inputSourceCategory".to_string(),
+ "controlled_fixture".to_string(),
+ ),
+ (
+ "clientFixtureSequence".to_string(),
+ "fixture-01".to_string(),
+ ),
+ ]);
+ let mut acknowledged = HashSet::new();
+ let expired_ack = complete_controlled_fixture_ack_publish(
+ async { Ok::<(), ()>(()) },
+ "runtime-call-post-expiry",
+ "runtime-trace-post-expiry",
+ false,
+ "timeout",
+ Some("expired"),
+ "call-post-expiry",
+ "trace-post-expiry",
+ CONTROLLED_FIXTURE_GENERATION,
+ "fixture-01",
+ &mut acknowledged,
+ )
+ .await;
+ assert_eq!(
+ expired_ack,
+ ControlledFixtureAckPublishOutcome {
+ observed: false,
+ published: true,
+ }
+ );
+ let evidence = observe_controlled_fixture_post_expiry_views(
+ started_at,
+ started_at + CONTROLLED_FIXTURE_POST_EXPIRY_WINDOW,
+ "user-1",
+ Some("user-1"),
+ "fixture-01",
+ active,
+ || {
+ if started_at.elapsed() >= Duration::from_millis(300) {
+ expected.clone()
+ } else {
+ HashMap::new()
+ }
+ },
+ || Some(("user-1".to_string(), HashMap::new())),
+ )
+ .await;
+ assert_eq!(acknowledged.len(), 1);
+ assert_eq!(
+ evidence,
+ Some(ControlledFixtureVisibilityEvidence {
+ first_visible_bucket: "250_500ms",
+ visibility_source: "participant_attributes_poll",
+ visibility_result: "held_visible",
+ binding_matched: true,
+ })
+ );
+
+ let never_started_at = Instant::now();
+ assert_eq!(
+ observe_controlled_fixture_post_expiry_views(
+ never_started_at,
+ never_started_at + Duration::from_millis(40),
+ "user-1",
+ Some("user-1"),
+ "fixture-01",
+ Arc::new(AtomicBool::new(true)),
+ HashMap::new,
+ || Some(("user-1".to_string(), HashMap::new())),
+ )
+ .await,
+ Some(ControlledFixtureVisibilityEvidence {
+ first_visible_bucket: "never_visible_within_observation_window",
+ visibility_source: "held_and_current_room_lookup",
+ visibility_result: "unavailable_both",
+ binding_matched: true,
+ })
+ );
+
+ assert_eq!(
+ observe_controlled_fixture_post_expiry_views(
+ Instant::now(),
+ Instant::now() + Duration::from_millis(50),
+ "cross-call-user",
+ Some("user-1"),
+ "fixture-01",
+ Arc::new(AtomicBool::new(true)),
+ || expected.clone(),
+ || Some(("user-1".to_string(), expected.clone())),
+ )
+ .await,
+ None
+ );
+
+ let inactive = Arc::new(AtomicBool::new(false));
+ assert_eq!(
+ observe_controlled_fixture_post_expiry_views(
+ Instant::now(),
+ Instant::now() + Duration::from_millis(50),
+ "user-1",
+ Some("user-1"),
+ "fixture-01",
+ inactive,
+ HashMap::new,
+ || Some(("user-1".to_string(), HashMap::new())),
+ )
+ .await,
+ None
+ );
+ assert_eq!(acknowledged.len(), 1);
+
+ let probe = PendingControlledFixtureProbe {
+ sender: ParticipantIdentity("user-1".to_string()),
+ call_id_hash: "call-post-expiry".to_string(),
+ call_trace_id_hash: "trace-post-expiry".to_string(),
+ generation: CONTROLLED_FIXTURE_GENERATION,
+ sequence: "fixture-01".to_string(),
+ received_at: started_at,
+ expires_at: started_at + CONTROLLED_FIXTURE_PROBE_TTL,
+ };
+ let event = controlled_fixture_visibility_event(
+ "runtime-call-post-expiry",
+ "runtime-trace-post-expiry",
+ &probe,
+ &evidence.unwrap(),
+ );
+ let extension = event["extension"].as_object().unwrap();
+ let mut keys = extension.keys().map(String::as_str).collect::<Vec<_>>();
+ keys.sort_unstable();
+ assert_eq!(
+ keys,
+ vec![
+ "binding_matched",
+ "call_id_hash",
+ "evidence_count",
+ "first_visible_bucket",
+ "generation",
+ "sequence_hash",
+ "stage",
+ "trace_id_hash",
+ "visibility_result",
+ "visibility_source",
+ ]
+ );
+ let encoded = event.to_string();
+ for forbidden in [
+ "\"participant\":",
+ "\"room\":",
+ "\"track\":",
+ "\"payload\":",
+ "\"audio\":",
+ ] {
+ assert!(!encoded.contains(forbidden));
+ }
+ }
+
+ #[tokio::test]
+ async fn production_post_expiry_observation_distinguishes_held_stale_from_current_room_view() {
+ let started_at = Instant::now();
+ let current_attributes = HashMap::from([
+ (
+ "inputSourceCategory".to_string(),
+ "controlled_fixture".to_string(),
+ ),
+ (
+ "clientFixtureSequence".to_string(),
+ "fixture-01".to_string(),
+ ),
+ ]);
+ let mut acknowledged = HashSet::new();
+ let expired_ack = complete_controlled_fixture_ack_publish(
+ async { Ok::<(), ()>(()) },
+ "runtime-call-current-view",
+ "runtime-trace-current-view",
+ false,
+ "timeout",
+ Some("expired"),
+ "call-current-view",
+ "trace-current-view",
+ CONTROLLED_FIXTURE_GENERATION,
+ "fixture-01",
+ &mut acknowledged,
+ )
+ .await;
+ let evidence = observe_controlled_fixture_post_expiry_views(
+ started_at,
+ started_at + Duration::from_millis(100),
+ "user-1",
+ Some("user-1"),
+ "fixture-01",
+ Arc::new(AtomicBool::new(true)),
+ HashMap::new,
+ || Some(("user-1".to_string(), current_attributes.clone())),
+ )
+ .await;
+
+ assert_eq!(
+ expired_ack,
+ ControlledFixtureAckPublishOutcome {
+ observed: false,
+ published: true,
+ }
+ );
+ assert_eq!(acknowledged.len(), 1);
+ assert_eq!(
+ evidence,
+ Some(ControlledFixtureVisibilityEvidence {
+ first_visible_bucket: "lte_250ms",
+ visibility_source: "current_room_lookup",
+ visibility_result: "held_stale_current_visible",
+ binding_matched: true,
+ })
+ );
+ let mut observer_starts = 0;
+ assert!(!start_observer_after_controlled_fixture_probe(
+ true,
+ Some(expired_ack.observed),
+ || observer_starts += 1,
+ ));
+ assert_eq!(observer_starts, 0);
+
+ for current_view in [
+ None,
+ Some(("cross-call-user".to_string(), current_attributes.clone())),
+ Some((
+ "user-1".to_string(),
+ HashMap::from([
+ (
+ "inputSourceCategory".to_string(),
+ "controlled_fixture".to_string(),
+ ),
+ (
+ "clientFixtureSequence".to_string(),
+ "fixture-old".to_string(),
+ ),
+ ]),
+ )),
+ ] {
+ assert_eq!(
+ observe_controlled_fixture_post_expiry_views(
+ Instant::now(),
+ Instant::now() + Duration::from_millis(20),
+ "user-1",
+ Some("user-1"),
+ "fixture-01",
+ Arc::new(AtomicBool::new(true)),
+ HashMap::new,
+ || current_view.clone(),
+ )
+ .await,
+ None
+ );
+ }
+ }
+
#[test]
fn controlled_fixture_ack_payload_is_reliable_and_redacted() {
let ack = ControlledFixtureAttributeAck {
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