Zic-Wang fa96acdf4b
feat: add WeChat channel integration (#1869)
* feat: add WeChat channel integration

* fix(backend): recover stale channel threads and align upload artifact handling

* refactor(wechat): reduce scope and restore QR bootstrap

* fix(backend): sort manager imports for Ruff lint

* fix(tests): add missing patch import in test_channels.py

* Update backend/app/channels/wechat.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update backend/app/channels/manager.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* fix(wechat): streamline allowed file extensions initialization and clean up test file

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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
2026-04-10 20:49:28 +08:00
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