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fix(lark): stop duplicating final reply text in streaming card (#2490)

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* fix(lark): stop duplicating final reply text in streaming card

* fix(lark): stop duplicating final reply text in streaming card
This commit is contained in:
mintya
2026-09-01 21:24:54 +08:00
committed by GitHub
parent 5c49cb60e3
commit 5ca30133a3
2 changed files with 152 additions and 5 deletions
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src/langbot/pkg/platform/sources/lark.py
+32 -4
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@@ -160,6 +160,29 @@ def _lark_should_update_stream_element(
return not resume_from and not form_data and (msg_seq % 8 == 0 or is_final)
def _lark_final_layout_texts(
*,
resume_from: bool,
text_message: str,
pre_pause_cached: str | None,
resume_cached: str,
) -> tuple[str, str]:
"""Return (main_text, resume_placeholder_text) for the final card update.
Non-resume round: the full reply belongs in the main streaming element
only — also rendering the resume placeholder duplicates the reply, since
both hold the same accumulated text. Resume round (Dify HITL): keep the
pre-pause text in the main element and the resumed text in the
placeholder, as they are distinct segments.
"""
if resume_from:
# An empty pre-pause cache is valid (Dify paused before emitting any
# text); only a missing entry (None) falls back to the full text.
main_text = text_message if pre_pause_cached is None else pre_pause_cached
return main_text, resume_cached
return text_message, ''
def _lark_display_input_value(field: dict, value: typing.Any) -> str:
field_type = _dify_field_type(field)
if field_type == 'file':
@@ -2358,16 +2381,21 @@ class LarkAdapter(abstract_platform_adapter.AbstractMessagePlatformAdapter):
self.card_form_input_defs[card_id] = _lark_form_input_defs(form_data)
self.card_form_inputs[card_id] = dict(form_data.get('inputs') or {})
else:
# Normal finish: keep pre-pause + resume content visible,
# remove buttons/notice, drop the resume placeholder.
# Normal finish: remove buttons/notice and finalize the card.
main_text, resume_text = _lark_final_layout_texts(
resume_from=resume_from,
text_message=text_message,
pre_pause_cached=self.card_pre_pause_text.get(card_id),
resume_cached=resume_cached,
)
await self._update_card_layout(
card_id=card_id,
message_source=message_source,
text_message=pre_pause,
text_message=main_text,
sequence=final_seq,
form_data=None,
notice_text=selected_notice if resume_from else '',
resume_placeholder_text=resume_cached,
resume_placeholder_text=resume_text,
)
self._drop_card_state(card_id)
self.card_id_dict.pop(message_id, None)