Alejandro Gutiérrez 2e97a0eeee feat(broker+api): every mesh ships with a default #general topic ...

The web chat surface needed a guaranteed landing room — a topic that
exists for every mesh from creation onward so the dashboard always has
somewhere to drop the user. #general is the convention; ephemeral DMs
remain ephemeral (mesh.message_queue) so agentic privacy is unchanged.

Three hooks plus a backfill:

- packages/api/src/modules/mesh/mutations.ts — createMyMesh now calls
  ensureGeneralTopic() right after the mesh insert. New helper is
  idempotent via the unique (mesh_id, name) index.
- apps/broker/src/index.ts — handleMeshCreate (CLI claudemesh new)
  inserts #general + subscribes the owner member as 'lead' in the
  same handler.
- apps/broker/src/crypto.ts — invite-claim flow auto-subscribes the
  newly minted member to #general as 'member', defensively ensuring
  the topic exists if predates this change.
- packages/db/migrations/0024_general_topic_backfill.sql — one-shot
  backfill: creates #general for every active mesh that doesn't have
  one, subscribes every active member, and marks the mesh owner as
  'lead' based on owner_user_id == member.user_id. Idempotent.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-02 16:32:16 +01:00

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