Bohan Jiang 247e8ed5ab feat(slack): reuse account link across apps in one Slack workspace (#4786) ...

A Slack user who linked their Multica identity to one bot was re-prompted
to link again when messaging a second bot (a different Slack app) in the
SAME Slack workspace, because bindings are keyed per-installation
(installation_id, channel_user_id).

On an unbound inbound, the identity resolver now looks up an existing
binding for the same (Multica workspace, Slack team, Slack user) via the
new FindReusableChannelUserBinding query and, if that user is still a
workspace member, materializes a binding for the new installation instead
of returning ErrSenderUnbound — so the second bot resolves the user
silently. Reuse is fenced to one Multica workspace AND one Slack team, so
it never crosses either boundary; legacy installs with no recorded team
never reuse.

Adds resolver unit tests for every decision path and updates the Slack
integration docs (en/zh/ja/ko).

MUL-3911

Co-authored-by: J <j@multica.ai>
Co-authored-by: multica-agent <github@multica.ai>

2026-07-01 16:58:23 +08:00

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feat(slack): reuse account link across apps in one Slack workspace (#4786)

2026-07-01 16:58:23 +08:00

queries

feat(slack): reuse account link across apps in one Slack workspace (#4786)

2026-07-01 16:58:23 +08:00