[stable-25.0.x] fix(chat): keep unknown system messages from rendering as chat bubbles - #6602
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DUMMY is the marker for "not a system message", so mapping an unrecognised systemMessage identifier to it made getCalculateMessageType() classify the message as REGULAR_TEXT_MESSAGE. The server text then rendered in a chat bubble with avatar and actor name instead of as centered grey text, and every system message identifier added by a newer server regressed the same way. Reserve DUMMY for what the server means by it, an empty systemMessage, and map any other unrecognised identifier to the new UNKNOWN type. Future server-side additions now render correctly without an app change, since their text comes from the server anyway. Add the three identifiers the client was missing: preserve_conversation, preserve_conversation_off and phone_removed. convertToString() had the same defect on the conversation list last-message path, which serialises ChatMessageJson into the conversation entity: CLEARED_CHAT was written as "clear_history" while parsing expects "history_cleared", and THREAD_RENAMED had no branch at all, so both came back as DUMMY. UNKNOWN serialises to a sentinel that parses back to UNKNOWN so it survives that round trip too. getFromString() now takes String?, which is what LoganSquare passes for a null JSON value. The new test asserts every enum member survives a convertToString -> getFromString round trip, which is what would have caught the "clear_history" typo. Assisted-by: Claude Code:claude-opus-5 Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>
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Aug 27, 2026
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Backport of PR #6594