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feat(api): retrofit cursor pagination onto GET /threads/{tid}/runs/{rid}/messages

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Replace bare list[dict] response with {data: [...], has_more: bool} envelope,
forwarding limit/before_seq/after_seq query params to the event store.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
rayhpeng
2026-04-12 16:14:14 +08:00
parent c38b3a9280
commit 597fb0e5f9
2 changed files with 149 additions and 3 deletions
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backend/app/gateway/routers/thread_runs.py
+21 -3
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@@ -325,10 +325,28 @@ async def list_thread_messages(
@router.get("/{thread_id}/runs/{run_id}/messages")
@require_permission("runs", "read", owner_check=True)
async def list_run_messages(thread_id: str, run_id: str, request: Request) -> list[dict]:
"""Return displayable messages for a specific run."""
async def list_run_messages(
thread_id: str,
run_id: str,
request: Request,
limit: int = Query(default=50, le=200, ge=1),
before_seq: int | None = Query(default=None),
after_seq: int | None = Query(default=None),
) -> dict:
"""Return paginated messages for a specific run.
Response: { data: [...], has_more: bool }
"""
event_store = get_run_event_store(request)
return await event_store.list_messages_by_run(thread_id, run_id)
rows = await event_store.list_messages_by_run(
thread_id, run_id,
limit=limit + 1,
before_seq=before_seq,
after_seq=after_seq,
)
has_more = len(rows) > limit
data = rows[:limit] if has_more else rows
return {"data": data, "has_more": has_more}
@router.get("/{thread_id}/runs/{run_id}/events")