handleCliMeshCreate now generates ownerPubkey/ownerSecretKey/rootKey so CLI-created meshes can issue invites. handleCliMeshInvite builds the full signed v1 payload + v2 capability (matching createMyInvite in packages/api) and self-heals meshes created by older broker versions that are missing keys. Fixes 500 on claudemesh share after CLI mesh create. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>