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fix(native-chat): separate multistep Antigravity streamed responses with paragraph breaks #7924

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Merged
loopx-agent merged 4 commits into from
Nov 3, 2026
Merged

fix(native-chat): separate multistep Antigravity streamed responses with paragraph breaks #7924

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5278dff
fix(native-chat): separate multistep Antigravity streamed responses w…
loopx-agent Nov 2, 2026
2fd86e9
fix(native-chat): preserve cross-step control-tag continuity before p…
loopx-agent Nov 3, 2026
ddf74c2
Merge remote-tracking branch 'origin/main' into codex/agy-stream-step…
loopx-agent Nov 3, 2026
7731461
test(native-chat): keep message empty in split control-marker sentine…
loopx-agent Nov 3, 2026
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32 changes: 31 additions & 1 deletion loopx/capabilities/native_chat/antigravity_adapter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -756,13 +756,43 @@ def _run_turn(
delta_chunk = text[len(prev_text) :]
else:
delta_chunk = text
emitted_text_by_step[step_idx] = text
latest_response_text = text
if delta_chunk and event_sink is not None:
if not prev_text:
combined_marker = stream_filter.marker_pending + delta_chunk.lstrip()
continues_control_tag = bool(
combined_marker
and (
combined_marker.startswith(CHAT_REVIEW_OPEN_TAG)
or CHAT_REVIEW_OPEN_TAG.startswith(combined_marker)
)
)
if (
continues_control_tag
and not combined_marker.startswith(CHAT_REVIEW_OPEN_TAG)
and step_status != "CORTEX_STEP_STATUS_DONE"
):
continue
prior_texts = [
val
for idx, val in sorted(emitted_text_by_step.items())
if idx != step_idx and val
]
if (
prior_texts
and not delta_chunk.startswith("\n")
and not continues_control_tag
):
last_prior = prior_texts[-1]
if not last_prior.endswith("\n"):
delta_chunk = "\n\n" + delta_chunk
elif not last_prior.endswith("\n\n"):
delta_chunk = "\n" + delta_chunk
visible_delta = stream_filter.feed(delta_chunk)
if visible_delta:
emitted_visible_delta = True
event_sink("answer.delta", {"text": visible_delta})
emitted_text_by_step[step_idx] = text
elif step_type == "CORTEX_STEP_TYPE_ERROR_MESSAGE":
err_obj = step.get("errorMessage") or {}
err_msg = str(
Expand Down
173 changes: 173 additions & 0 deletions tests/test_antigravity_steward_adapter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -728,3 +728,176 @@ def test_another_native_input_is_neither_adopted_nor_cancelled(tmp_path, languag
assert error.value.error_code == "upstream_transport_failure"
assert not language_server["cancelled"].is_set()
assert len([1 for method, _ in language_server["calls"] if method == "SendUserCascadeMessage"]) == 1


def test_multistep_planner_responses_insert_paragraph_breaks_between_steps(tmp_path, language_server, monkeypatch):
frames = [
{
"at": 1.0,
"status": "CASCADE_RUN_STATUS_RUNNING",
"steps": [
{
"type": "CORTEX_STEP_TYPE_USER_INPUT",
"status": "CORTEX_STEP_STATUS_DONE",
"metadata": {"sourceTrajectoryStepInfo": {"stepIndex": 0}},
},
{
"type": "CORTEX_STEP_TYPE_PLANNER_RESPONSE",
"status": "CORTEX_STEP_STATUS_DONE",
"metadata": {"sourceTrajectoryStepInfo": {"stepIndex": 1}},
"plannerResponse": {
"response": "正在读取当前会话的最新消息内容。",
"toolCalls": [{"name": "read_file"}],
},
},
{
"type": "CORTEX_STEP_TYPE_VIEW_FILE",
"status": "CORTEX_STEP_STATUS_DONE",
"metadata": {"sourceTrajectoryStepInfo": {"stepIndex": 2}},
},
],
},
{
"at": 2.0,
"status": "CASCADE_RUN_STATUS_IDLE",
"steps": [
{
"type": "CORTEX_STEP_TYPE_USER_INPUT",
"status": "CORTEX_STEP_STATUS_DONE",
"metadata": {"sourceTrajectoryStepInfo": {"stepIndex": 0}},
},
{
"type": "CORTEX_STEP_TYPE_PLANNER_RESPONSE",
"status": "CORTEX_STEP_STATUS_DONE",
"metadata": {"sourceTrajectoryStepInfo": {"stepIndex": 1}},
"plannerResponse": {
"response": "正在读取当前会话的最新消息内容。",
"toolCalls": [{"name": "read_file"}],
},
},
{
"type": "CORTEX_STEP_TYPE_VIEW_FILE",
"status": "CORTEX_STEP_STATUS_DONE",
"metadata": {"sourceTrajectoryStepInfo": {"stepIndex": 2}},
},
{
"type": "CORTEX_STEP_TYPE_PLANNER_RESPONSE",
"status": "CORTEX_STEP_STATUS_DONE",
"metadata": {"sourceTrajectoryStepInfo": {"stepIndex": 3}},
"plannerResponse": {
"response": "最终结论：首读展开边界合理。\n\n<loopx-review-json>"
+ json.dumps({"message": "", "proposals": [], "context_handoff": [], "gate": None})
+ "</loopx-review-json>",
"stopReason": "STOP_REASON_STOP_PATTERN",
},
},
],
},
]
_native_clock(monkeypatch, language_server, frames)
events: list[tuple[str, dict[str, Any]]] = []
result = adapter_for(tmp_path, runtime_profile="trusted_owner").start_turn(
"检查首读体积", lambda kind, data: events.append((kind, data))
)
streamed = "".join(data.get("text", "") for kind, data in events if kind == "answer.delta")
assert streamed == "正在读取当前会话的最新消息内容。\n\n最终结论：首读展开边界合理。\n\n"
assert result["message"] == "最终结论：首读展开边界合理。"


def test_multistep_planner_responses_preserve_split_control_marker_across_steps(
tmp_path, language_server, monkeypatch
):
from loopx.extensions.lark.private_progress import project_progress

envelope_tail = (
"json>"
+ json.dumps(
{
"message": "",
"proposals": [],
"context_handoff": [],
"gate": {"kind": "PROTOCOL_ONLY_SENTINEL", "summary": "PROTOCOL_ONLY_SENTINEL"},
}
)
+ "</loopx-review-json>"
)
frames = [
{
"at": 1.0,
"status": "CASCADE_RUN_STATUS_RUNNING",
"steps": [
{
"type": "CORTEX_STEP_TYPE_USER_INPUT",
"status": "CORTEX_STEP_STATUS_DONE",
"metadata": {"sourceTrajectoryStepInfo": {"stepIndex": 0}},
},
{
"type": "CORTEX_STEP_TYPE_PLANNER_RESPONSE",
"status": "CORTEX_STEP_STATUS_DONE",
"metadata": {"sourceTrajectoryStepInfo": {"stepIndex": 1}},
"plannerResponse": {
"response": "首段安全可见输出。<loopx-review-",
},
},
],
},
{
"at": 2.0,
"status": "CASCADE_RUN_STATUS_IDLE",
"steps": [
{
"type": "CORTEX_STEP_TYPE_USER_INPUT",
"status": "CORTEX_STEP_STATUS_DONE",
"metadata": {"sourceTrajectoryStepInfo": {"stepIndex": 0}},
},
{
"type": "CORTEX_STEP_TYPE_PLANNER_RESPONSE",
"status": "CORTEX_STEP_STATUS_DONE",
"metadata": {"sourceTrajectoryStepInfo": {"stepIndex": 1}},
"plannerResponse": {
"response": "首段安全可见输出。<loopx-review-",
},
},
{
"type": "CORTEX_STEP_TYPE_PLANNER_RESPONSE",
"status": "CORTEX_STEP_STATUS_DONE",
"metadata": {"sourceTrajectoryStepInfo": {"stepIndex": 2}},
"plannerResponse": {
"response": envelope_tail,
"stopReason": "STOP_REASON_STOP_PATTERN",
},
},
{
"type": "CORTEX_STEP_TYPE_PLANNER_RESPONSE",
"status": "CORTEX_STEP_STATUS_DONE",
"metadata": {"sourceTrajectoryStepInfo": {"stepIndex": 3}},
"plannerResponse": {
"response": "首段安全可见输出。<loopx-review-" + envelope_tail,
"stopReason": "STOP_REASON_STOP_PATTERN",
},
},
],
},
]
_native_clock(monkeypatch, language_server, frames)
events: list[tuple[str, dict[str, Any]]] = []
result = adapter_for(tmp_path, runtime_profile="trusted_owner").start_turn(
"检查跨步骤控制标签隐藏", lambda kind, data: events.append((kind, data))
)
streamed = "".join(data.get("text", "") for kind, data in events if kind == "answer.delta")
assert streamed == "首段安全可见输出。"
assert "PROTOCOL_ONLY_SENTINEL" not in streamed
assert "<loopx-review-" not in streamed

progress_state: dict[str, Any] = {}
progress_text = project_progress(
progress_state,
[
{"event_id": idx, "kind": kind, "payload": data}
for idx, (kind, data) in enumerate(events, 1)
],
)
assert "PROTOCOL_ONLY_SENTINEL" not in (progress_text or "")
assert "PROTOCOL_ONLY_SENTINEL" not in str(progress_state.get("answer") or "")
assert result["message"] == "首段安全可见输出。"
assert len([1 for method, _ in language_server["calls"] if method == "SendUserCascadeMessage"]) == 1
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