Drop meetings and meeting_attendees tables, remove all meeting-related
code across GraphQL, MCP, CLI, N8N, webhooks, frontend, and e2e tests.
Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>
Nest membership ID, role, and state into a membership sub-object
in the user webhook payload. Also emit user:updated webhook when
the membership role is changed. Add X-Probo-Webhook-Host header
to webhook HTTP calls. Skip delete webhook when membership is
not found in SCIM user deletion.
Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>
