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ca996ecb54
Stage 1 follow-up after the bridge scaffold. Adds the two routes a client
needs to actually run a turn against the daemon.
Bridge:
- `sendPrompt(sessionId, req)` looks up the session, FIFO-queues the
call against the per-session prompt queue, and forwards through the
SDK `ClientSideConnection.prompt`. Concurrent calls observe ACP's
"one active prompt per session" invariant — second waits for first.
- A failed prompt does NOT poison the queue; the tail catches and
keeps draining so the next caller still runs (the original caller
still sees its own rejection).
- `cancelSession(sessionId, req?)` bypasses the queue and forwards
the ACP notification immediately. ACP semantics: the agent winds
down the *currently active* prompt; queued work is unaffected.
- Both methods throw `SessionNotFoundError` (a typed Error subclass)
when the id is unknown so route handlers can map cleanly to 404
without brittle message matching.
- Both methods overwrite the `sessionId` field in the request body
with the routing id — a stale or spoofed body would otherwise be
dispatched to the wrong agent process.
Routes:
- `POST /session/:id/prompt` → 200 with PromptResponse, 400 on
missing/non-array prompt, 404 on unknown session, 500 on agent
error.
- `POST /session/:id/cancel` → 204 always (cancel is a notification),
404 on unknown session.
Tests (14 new — 7 bridge + 7 route, 0 regressions in the 4981 baseline):
- sendPrompt: success forwards & returns response · routing-id
overrides body sessionId · concurrent prompts FIFO-serialize
(verified via per-prompt start/end ordering with a release latch) ·
failed prompt doesn't block subsequent prompts · 404 for unknown id.
- cancelSession: forwards with routing id · 404 for unknown id.
- Routes: 200/400/404/500 paths for prompt; 204 with body or empty +
404 for cancel.
Verified end-to-end against a real `qwen --acp` child:
- POST /session/:id/prompt with `[{type:'text',text:'hi'}]` → 200
`{"stopReason":"end_turn"}` in ~3.4s.
- POST /session/:id/cancel → 204.
- POST /session/does-not-exist/prompt → 404 with the unknown id
surfaced in the body.
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| .. | ||
| channels | ||
| cli | ||
| core | ||
| sdk-java | ||
| sdk-python | ||
| sdk-typescript | ||
| vscode-ide-companion | ||
| web-templates | ||
| webui | ||
| zed-extension | ||