Synced from monorepo

Synced from monorepo

Changes:
- Release a shell session's resources in one drop
- Make the tools blocking-wait cap client-configurable and self-describing
- Recognize API "exceeds budget" errors as context overflow
- Retry /btw on model overload
- Carry running background tasks and subagents across compaction
- Require round-trip time for SDK liveness checks
- Background-subagent completion reminders with a selectable delivery surface
- Make a PTY shell reap itself until it reaches the registry
- Recover the OS error code from a TLS-phase connection reset
- Consume the attached-client signal and report why idle is withheld
- Treat `.grok/sandbox.toml` edits as protected so auto mode prompts before writing
- Surface history/search in the Ctrl+. cheatsheet and keep it working in history view
- Delete sessions from the dashboard and welcome list
- Release a session's activity record when the session ends
- Stop charging auth-retry budget for fail-closed 401s; reset it across suspends
- Scope skills watches on project vendor roots
- Make [stop] cancel in-flight compaction
- Make the leader soak measure the leader, not its harness

Source-Revision: 8d69c91f02bcacf01e98d5aebbf2f92547c45738

crates/common/xai-computer-hub-sdk/src/metrics.rs

@@ -433,6 +433,11 @@ mod inner {
         HEARTBEAT_PONG_DROPPED_TOTAL.inc();
     }
 
+    #[cfg(test)]
+    pub(crate) fn heartbeat_pong_dropped_count() -> u64 {
+        HEARTBEAT_PONG_DROPPED_TOTAL.get()
+    }
+
     pub(crate) fn cancel_applied() {
         CANCEL_APPLIED_TOTAL.inc();
     }
@@ -561,6 +566,10 @@ mod inner {
 
 #[cfg(not(feature = "metrics"))]
 mod inner {
+    #[cfg(test)]
+    static TEST_HEARTBEAT_PONG_DROPPED: std::sync::atomic::AtomicU64 =
+        std::sync::atomic::AtomicU64::new(0);
+
     pub(crate) fn pool_connections_inc() {}
     pub(crate) fn pool_connections_dec() {}
     pub(crate) fn pool_evictions_inc() {}
@@ -584,7 +593,15 @@ mod inner {
     pub(crate) fn writer_sink_send_error() {}
     pub(crate) fn reconnect_writer_resume() {}
     pub(crate) fn liveness_deadline_expired() {}
-    pub(crate) fn heartbeat_pong_dropped() {}
+    pub(crate) fn heartbeat_pong_dropped() {
+        #[cfg(test)]
+        TEST_HEARTBEAT_PONG_DROPPED.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
+    }
+
+    #[cfg(test)]
+    pub(crate) fn heartbeat_pong_dropped_count() -> u64 {
+        TEST_HEARTBEAT_PONG_DROPPED.load(std::sync::atomic::Ordering::Relaxed)
+    }
     pub(crate) fn cancel_applied() {}
     pub(crate) fn cancel_pending_tombstoned() {}
     pub(crate) fn cancel_no_target() {}
@@ -619,6 +636,8 @@ pub(crate) use inner::demux_inbox_depth_set;
 pub(crate) use inner::disconnect_detail_class;
 pub(crate) use inner::early_notif_buffered;
 pub(crate) use inner::heartbeat_pong_dropped;
+#[cfg(test)]
+pub(crate) use inner::heartbeat_pong_dropped_count;
 pub(crate) use inner::hook_send;
 pub(crate) use inner::inbox_full_notification_dropped;
 pub(crate) use inner::inbox_full_reject_send_failed;