* fix(dashboard): retry stalled events feed reconnects
* fix(dashboard): bound the PTY ticket request before the socket exists
ChatPage's connect awaits a single-use ticket from `api.buildWsUrl()`
before `new WebSocket()`. That request produces no socket, so a
rejection or a hang emits no `close` event and never arms
PTY_CONNECTING_TIMEOUT_MS (set after the socket is constructed). The
tab stranded on "connecting" with `connectInFlightRef` stuck true,
which also suppresses the page-resume reconnect path.
Give the ticket phase its own deadline and route both failure modes
into the existing backoff. A `ticketSuperseded` flag invalidates a late
ticket result so a timed-out attempt cannot open a socket behind the
replacement it scheduled, and cleanup clears the timer on unmount.
`scheduleReconnect` now takes `number | null` so an attempt that died
before any socket existed omits the "(code N)" banner suffix instead of
inventing one.
Same bug class as the events-feed fix in the preceding commit, on the
main chat surface.
Co-authored-by: Gille <4317663+helix4u@users.noreply.github.com>
* test(dashboard): cover the PTY ticket connect deadline
Mirrors the events-feed cases in ChatSidebar.test.tsx: a rejected ticket
retries, a stalled ticket times out and its late resolution cannot open
a superseded socket, and a settled ticket disarms the deadline so
PTY_CONNECTING_TIMEOUT_MS remains the only guard on a wedged handshake
(NS-591 regression).
Both failure cases fail against ChatPage.tsx without the preceding fix.
Co-authored-by: Gille <4317663+helix4u@users.noreply.github.com>
---------
Co-authored-by: Gille <4317663+helix4u@users.noreply.github.com>
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