The Matrix adapter strips the bot's mention from the inbound body before
_extract_reply_context parses the inline reply fallback, and that strip is a
blind whole-body replace. A reply to the bot names the bot in the fallback
pill ("> <@bot:server> quoted"), which is exactly what makes the message
count as a mention under the default MATRIX_REQUIRE_MENTION=true -- so the
strip runs on every reply-to-the-bot and rewrites the pill to "> <>", after
which the pill regex no longer matches. reply_to_author_id is lost,
reply_to_text becomes the mangled "<> quoted" remnant, and the prompt
renders "[Replying to: "<> ..."]" instead of "[Replying to your previous
message: ...]".
Split the body into (quote block, reply text) and strip the mention from the
reply text only. The mention gate still sees the raw body, so a reply to the
bot keeps waking the bot; the visible reply text and the quote-block strip
are unchanged.
Fixes#111233
KeyArgo
0813a2276c