Return richer session data from the AgentOS /sessions list API

The /sessions list endpoint now includes a significantly expanded set of fields per session, giving dashboards, monitoring tools, and integrations a more complete picture of each session without requiring separate follow-up requests.

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Details:

Additional fields returned per session: user_id, agent_id, team_id, workflow_id, session_summary, metrics, total_tokens, and metadata
No changes required to existing integrations; new fields are additive
Enables richer session filtering, reporting, and analytics directly from the list response