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🤖 ## Summary The mobile app's @mention chooser now follows the same rules as the desktop app (buzz-app). The same typed text finds the same people in the same order on both apps, and sending works the same way. - **Same matching and order.** Mobile uses the shared mention rules and runs their shared test cases. A multi-word search such as `@Mary J` still searches the community directory, so it can find "Mary Jane" even when she is not in the channel. - **DMs can mention people outside the DM.** The chooser marks them "not in DM". Nobody can be added to a DM, so the message sends without a prompt. Outside people go out as references, so they are not notified. This matches buzz-app #510. - **Channels still ask.** In a stream or forum, mentioning someone outside the channel asks "Invite" or "Do nothing" before the message sends. A channel with no type tag counts as a stream. - **Sessions do not search the directory.** Only session members appear. - **A failed directory search stays visible.** The chooser shows the error and a Retry button. Before, it closed. - **Search results stay in their community.** If you switch communities while a search runs, its people and its error do not show in the new community. The search starts again there. - **A failed send check keeps the draft.** Before a message with a mention sends, the app checks who is in the channel. If that check fails, the message stays in the compose bar and a notice offers Retry. Before, nothing was sent and nothing was shown. - **Invite stays in its community.** If you switch communities while the "Invite" question is open, Invite adds nobody. ### Screenshots The real compose bar widget, rendered by Flutter's test renderer with the app's fonts and theme. The data is sample data. These are not device captures. | DM: outside person is "not in DM" | Stream: outside person is "not in channel" | |---|---| | <img width="320" alt="DM chooser" src="https://github.com/user-attachments/assets/0e884518-2386-4cd1-9f19-16661aaa194e" /> | <img width="320" alt="Stream chooser" src="https://github.com/user-attachments/assets/5395e4e1-032e-459b-98c6-0126c060c4d9" /> | | Stream: send asks first | Session: members only | Search failed: Retry | |---|---|---| | <img width="260" alt="Stream ask on send" src="https://github.com/user-attachments/assets/2b988257-3c6a-445d-acfa-fca47b9752fe" /> | <img width="260" alt="Session chooser" src="https://github.com/user-attachments/assets/e193551f-f5bf-41d9-aa29-bc8665c643f9" /> | <img width="260" alt="Search failed with Retry" src="https://github.com/user-attachments/assets/e8c4b9bb-067e-4fe9-9fdd-4e5691bc66be" /> | ### Details - `mobile/lib/shared/mentions/mention_rules.dart` holds the rules: query syntax, match tiers, sort order, Space selection of an exact unique name, stable rows while results arrive, and `p` and `mention` tags. A `p` tag notifies the person. A `mention` tag is a reference and does not notify. - `mobile/test/shared/mentions/mention-rules.fixtures.json` is an exact copy of the buzz-app fixture file. `mention_rules_test.dart` runs every case. - Known difference: desktop gives the directory to a channel with an unknown explicit type (not stream, forum, DM or session). Mobile does not. No such type exists today. ### Related issue None found. Desktop counterpart: block/buzz-app#510. #7513 also edits `send_message_provider.dart` and may conflict. ### Testing `just mobile-install mobile-check mobile-test` passes: analyze clean, 2998 tests pass on `49c44653` (before rebase). The pre-push hook ran `just mobile-check && just mobile-test` again on the rebased head `de1ca080` and passed. Each review fix was mutation-checked: removing the fix makes its new test fail. --------- Signed-off-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz> Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz>