After a prolonged outage the in-process network-error ladder escalates to
fatal and GatewayRunner._platform_reconnect_watcher rebuilds a fresh adapter
that reconnects through the bootstrap path. That path called
start_polling(drop_pending_updates=True), discarding every update Telegram
queued during the outage — all messages sent while the bot was down were
silently lost. The in-process ladder and 409-conflict handler already passed
drop_pending_updates=False; only bootstrap did not distinguish a cold first
boot from a reconnect.
Thread an is_reconnect signal from the watcher through
_connect_adapter_with_timeout into adapter.connect(). The base
BasePlatformAdapter.connect() gains a keyword-only is_reconnect=False so every
adapter inherits a tolerant signature (no per-platform breakage when the
runner forwards the kwarg). Telegram translates is_reconnect into
drop_pending_updates=not is_reconnect on both the polling and webhook bootstrap
calls. Cold boot still drops the stale queue; a watcher reconnect preserves it.
Fixes#46621.
Co-authored-by: annguyenNous <annguyen@nousresearch.com>
Co-authored-by: kyssta-exe <kyssta-exe@users.noreply.github.com>
Co-authored-by: Kewe63 <Kewe63@users.noreply.github.com>
Net-new WebSocketRelayTransport.go_dormant() + RelayAdapter.go_dormant() —
the third transport mode the scale-to-zero behaviour layer needs, distinct
from both disconnect() and an unexpected close (decisions.md D12/F14):
- disconnect() sets _closing=True and CANCELS the reconnect supervisor
(terminal "shutting down for good") -> a suspended machine never re-dials
on wake, stranding its buffered backlog.
- an unexpected close re-dials IMMEDIATELY -> the socket never stays down,
so the platform proxy never suspends the machine.
go_dormant(): going_idle->ack (reuse go_idle), then close the socket WITHOUT
setting _closing, so the reader's fall-through still arms the reconnect
supervisor (wake path stays live) but on the longer _dormant_redial_s
cadence so it doesn't fight the platform suspend window. A successful re-dial
clears _dormant. Honors the §3.4 wake->reconnect->drain contract.
Tests: 6 new in test_relay_going_idle.py incl. the F14 regression guard
(routing dormancy through disconnect() fails exactly the 4 wake-path tests).
Full relay suite 140 passed.
The gateway half of the going-idle/buffered-flip primitive (scale-to-zero
PRIMITIVE, not the behaviour). Integrates with the EXISTING drain transition:
- ws_transport: `go_idle()` sends `going_idle` + awaits the connector's
`going_idle_ack` (connector-authoritative flip-then-ack, Q-5.3c — stays
serving until the ack so nothing is lost in the flip window); acks a buffered
inbound (bufferId present) via `inbound_ack` after the handler runs
(drain-without-dup on the delivery leg); NET-NEW reconnect loop re-dials +
re-handshakes after an unexpected close (off by default, on in production).
- adapter: emits `going_idle` from its existing `disconnect()` drain seam before
tearing down the socket; best-effort + guarded (never blocks shutdown).
- transport Protocol + contract doc §3.2 document the 3 new frames.
+6 relay tests (124 pass). NOT in scope: the autonomous idle timer / machine
suspend / NAS health model (deferred behaviour). Ben's relay-adapter solo lane.
