Recreate Telegram ACP session when the child has died - #72
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Telegram's processQuery catches prompt errors and replies with a generic processing message, but the dead ACPClient is left in the in-memory session map. Every subsequent message then keeps failing against the same closed stdio pipe until the bridge restarts. Detect ACP process death (process exit, broken pipe, stdio already destroyed, JSON-RPC send failure) via the new isACPClientDeadError helper. When matched, call recreateACPSession for the thread so the next message is served by a freshly spawned opencode acp child. Transient backend errors are still surfaced as a generic failure; the recovery only fires when the underlying child process is gone. Assisted-By: MiniMax-M3
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Telegram's
processQuerycatches prompt errors and replies with a generic processing message, but the deadACPClientis left in the in-memory session map. Every subsequent message then keeps failing against the same closed stdio pipe until the bridge restarts.Detect ACP process death (process exit, broken pipe, stdio already destroyed, JSON-RPC send failure) via the new
isACPClientDeadErrorhelper. When matched, callrecreateACPSessionfor the thread so the next message is served by a freshly spawnedopencode acpchild.Transient backend errors are still surfaced as a generic failure; the recovery only fires when the underlying child process is gone.
This branch is independent of #PR1 and #PR2: it uses only existing public surface (
recreateACPSession,createSession,sendReply) plus a new local helper. Safe to review and merge in any order.Tests:
bun test ./tests/unit/telegram-attachments.test.ts ./tests/unit/telegram-rate-limit.test.ts ./tests/unit/telegram-thread-context.test.ts— 66 pass, 0 fail.tsc --noEmitclean.