Chat may manage a person's OpenVibe Agents for them (actor.agent.manage on openvibe.actor): Vibe sets up recurring work in their own chat after they agree, and lists their agents (#338)

ddiff --git a/server/identity/principals.js b/server/identity/principals.js
iindex b6e16de3..be305de4 100644
---- a/server/identity/principals.js
++++ b/server/identity/principals.js
@@@ -121,6 +121,9 @@ const DEFAULT_GRANTS = [
      // task it started for its answer (a delegated caller sees only the tasks it started).
      ['chat', 'actor.task.create', 'openvibe.actor', []],
      ['chat', 'actor.task.read', 'openvibe.actor', []],
++    // Vibe sets up recurring work for the person it is talking with, in their own chat and after they agreed (Chat's
++    // set_up_agent and my_agents tools): one of their OpenVibe Agents, made and listed as them (X-OV-Subject).
++    ['chat', 'actor.agent.manage', 'openvibe.actor', []],
      ['games', 'identity.subject.resolve', SELF_AUDIENCE, []],
      // Games subscribes to network.user.token_valid_after (sign-out everywhere closes game sessions).
      ['games', 'events.subscription.manage', 'openvibe.events', []],