fix(weixin): preserve structured markdown delivery - #7792
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The Weixin adapter was splitting responses at every top-level newline, causing notification spam (up to 70 API calls for a single long markdown response). This salvages the best aspects of six contributor PRs: Compact mode (new default): - Messages under the 4000-char limit stay as a single bubble even with multiple lines, paragraphs, and code blocks - Only oversized messages get split at logical markdown boundaries - Inter-chunk delay (0.3s) between chunks prevents WeChat rate-limit drops Legacy mode (opt-in): - Set split_multiline_messages: true in platforms.weixin.extra config - Or set WEIXIN_SPLIT_MULTILINE_MESSAGES=true env var - Restores the old per-line splitting behavior Salvaged from PRs #7797 (guantoubaozi), #7792 (luoxiao6645), #7838 (qyx596), #7825 (weedge), #7784 (sherunlock03), #7773 (JnyRoad). Core fix unanimous across all six; config toggle from #7838; inter-chunk delay from #7825.
teknium1
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Apr 11, 2026
) The Weixin adapter was splitting responses at every top-level newline, causing notification spam (up to 70 API calls for a single long markdown response). This salvages the best aspects of six contributor PRs: Compact mode (new default): - Messages under the 4000-char limit stay as a single bubble even with multiple lines, paragraphs, and code blocks - Only oversized messages get split at logical markdown boundaries - Inter-chunk delay (0.3s) between chunks prevents WeChat rate-limit drops Legacy mode (opt-in): - Set split_multiline_messages: true in platforms.weixin.extra config - Or set WEIXIN_SPLIT_MULTILINE_MESSAGES=true env var - Restores the old per-line splitting behavior Salvaged from PRs #7797 (guantoubaozi), #7792 (luoxiao6645), #7838 (qyx596), #7825 (weedge), #7784 (sherunlock03), #7773 (JnyRoad). Core fix unanimous across all six; config toggle from #7838; inter-chunk delay from #7825.
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Merged via salvage PR #7903. Your contribution — aggressive cleanup approach — was incorporated into the combined fix. All six PRs addressing this issue were synthesized into a single implementation that takes the best aspects of each. Thank you @luoxiao6645 for the contribution! |
Tommyeds
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Apr 12, 2026
…usResearch#7903) The Weixin adapter was splitting responses at every top-level newline, causing notification spam (up to 70 API calls for a single long markdown response). This salvages the best aspects of six contributor PRs: Compact mode (new default): - Messages under the 4000-char limit stay as a single bubble even with multiple lines, paragraphs, and code blocks - Only oversized messages get split at logical markdown boundaries - Inter-chunk delay (0.3s) between chunks prevents WeChat rate-limit drops Legacy mode (opt-in): - Set split_multiline_messages: true in platforms.weixin.extra config - Or set WEIXIN_SPLIT_MULTILINE_MESSAGES=true env var - Restores the old per-line splitting behavior Salvaged from PRs NousResearch#7797 (guantoubaozi), NousResearch#7792 (luoxiao6645), NousResearch#7838 (qyx596), NousResearch#7825 (weedge), NousResearch#7784 (sherunlock03), NousResearch#7773 (JnyRoad). Core fix unanimous across all six; config toggle from NousResearch#7838; inter-chunk delay from NousResearch#7825.
aj-nt
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May 1, 2026
…usResearch#7903) The Weixin adapter was splitting responses at every top-level newline, causing notification spam (up to 70 API calls for a single long markdown response). This salvages the best aspects of six contributor PRs: Compact mode (new default): - Messages under the 4000-char limit stay as a single bubble even with multiple lines, paragraphs, and code blocks - Only oversized messages get split at logical markdown boundaries - Inter-chunk delay (0.3s) between chunks prevents WeChat rate-limit drops Legacy mode (opt-in): - Set split_multiline_messages: true in platforms.weixin.extra config - Or set WEIXIN_SPLIT_MULTILINE_MESSAGES=true env var - Restores the old per-line splitting behavior Salvaged from PRs NousResearch#7797 (guantoubaozi), NousResearch#7792 (luoxiao6645), NousResearch#7838 (qyx596), NousResearch#7825 (weedge), NousResearch#7784 (sherunlock03), NousResearch#7773 (JnyRoad). Core fix unanimous across all six; config toggle from NousResearch#7838; inter-chunk delay from NousResearch#7825.
02356abc
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May 14, 2026
…usResearch#7903) The Weixin adapter was splitting responses at every top-level newline, causing notification spam (up to 70 API calls for a single long markdown response). This salvages the best aspects of six contributor PRs: Compact mode (new default): - Messages under the 4000-char limit stay as a single bubble even with multiple lines, paragraphs, and code blocks - Only oversized messages get split at logical markdown boundaries - Inter-chunk delay (0.3s) between chunks prevents WeChat rate-limit drops Legacy mode (opt-in): - Set split_multiline_messages: true in platforms.weixin.extra config - Or set WEIXIN_SPLIT_MULTILINE_MESSAGES=true env var - Restores the old per-line splitting behavior Salvaged from PRs NousResearch#7797 (guantoubaozi), NousResearch#7792 (luoxiao6645), NousResearch#7838 (qyx596), NousResearch#7825 (weedge), NousResearch#7784 (sherunlock03), NousResearch#7773 (JnyRoad). Core fix unanimous across all six; config toggle from NousResearch#7838; inter-chunk delay from NousResearch#7825.
gweeteve
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Jun 2, 2026
…usResearch#7903) The Weixin adapter was splitting responses at every top-level newline, causing notification spam (up to 70 API calls for a single long markdown response). This salvages the best aspects of six contributor PRs: Compact mode (new default): - Messages under the 4000-char limit stay as a single bubble even with multiple lines, paragraphs, and code blocks - Only oversized messages get split at logical markdown boundaries - Inter-chunk delay (0.3s) between chunks prevents WeChat rate-limit drops Legacy mode (opt-in): - Set split_multiline_messages: true in platforms.weixin.extra config - Or set WEIXIN_SPLIT_MULTILINE_MESSAGES=true env var - Restores the old per-line splitting behavior Salvaged from PRs NousResearch#7797 (guantoubaozi), NousResearch#7792 (luoxiao6645), NousResearch#7838 (qyx596), NousResearch#7825 (weedge), NousResearch#7784 (sherunlock03), NousResearch#7773 (JnyRoad). Core fix unanimous across all six; config toggle from NousResearch#7838; inter-chunk delay from NousResearch#7825.
waefrebeorn
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Jul 2, 2026
…usResearch#7903) The Weixin adapter was splitting responses at every top-level newline, causing notification spam (up to 70 API calls for a single long markdown response). This salvages the best aspects of six contributor PRs: Compact mode (new default): - Messages under the 4000-char limit stay as a single bubble even with multiple lines, paragraphs, and code blocks - Only oversized messages get split at logical markdown boundaries - Inter-chunk delay (0.3s) between chunks prevents WeChat rate-limit drops Legacy mode (opt-in): - Set split_multiline_messages: true in platforms.weixin.extra config - Or set WEIXIN_SPLIT_MULTILINE_MESSAGES=true env var - Restores the old per-line splitting behavior Salvaged from PRs NousResearch#7797 (guantoubaozi), NousResearch#7792 (luoxiao6645), NousResearch#7838 (qyx596), NousResearch#7825 (weedge), NousResearch#7784 (sherunlock03), NousResearch#7773 (JnyRoad). Core fix unanimous across all six; config toggle from NousResearch#7838; inter-chunk delay from NousResearch#7825.
prmartinow
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Aug 26, 2026
…usResearch#7903) The Weixin adapter was splitting responses at every top-level newline, causing notification spam (up to 70 API calls for a single long markdown response). This salvages the best aspects of six contributor PRs: Compact mode (new default): - Messages under the 4000-char limit stay as a single bubble even with multiple lines, paragraphs, and code blocks - Only oversized messages get split at logical markdown boundaries - Inter-chunk delay (0.3s) between chunks prevents WeChat rate-limit drops Legacy mode (opt-in): - Set split_multiline_messages: true in platforms.weixin.extra config - Or set WEIXIN_SPLIT_MULTILINE_MESSAGES=true env var - Restores the old per-line splitting behavior Salvaged from PRs NousResearch#7797 (guantoubaozi), NousResearch#7792 (luoxiao6645), NousResearch#7838 (qyx596), NousResearch#7825 (weedge), NousResearch#7784 (sherunlock03), NousResearch#7773 (JnyRoad). Core fix unanimous across all six; config toggle from NousResearch#7838; inter-chunk delay from NousResearch#7825.
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Summary
Fixes a Weixin/WeChat formatting regression where structured Markdown output was being fragmented into multiple chat bubbles.
This change restores the expected behavior by keeping authored Markdown intact in a single message whenever it fits within the Weixin message limit.
Fixes #7468
What Changed
Behavior Before
Structured output like Markdown tables could be flattened and split into multiple top-level message bubbles, which made summaries and audits much harder to read.
Behavior After
Testing
Ran:
.\venv\Scripts\python -m pytest tests\gateway\test_weixin.py tests\gateway\test_text_batching.py tests\tools\test_send_message_tool.py -q