7 commits

Author	SHA1	Message	Date
xmanrui	dc10cb22c8	fix(weixin): distinguish loopback Harness denial	2026-08-22 22:59:24 +08:00
xmanrui	83ee0d63a7	fix(weixin): refine Harness access errors	2026-08-22 18:56:49 +08:00
xmanrui	eb21b14f60	fix(weixin): classify Harness health failures	2026-08-22 04:21:00 +08:00
xmanrui	5e5c7e46c5	fix(channels): clarify unsupported image model errors	2026-08-21 19:07:18 +08:00
xmanrui	77dea74326	fix(weixin): classify activation failures	2026-08-21 10:30:43 +08:00
xmanrui	fb61c4235f	feat: send test messages during bot connection checks	2026-08-19 03:52:52 +08:00
xmanrui	bd469f58f8	Internalize all IM channel implementations	2026-08-15 15:40:53 +08:00