Create a delegated agent session

A human user authorizes an AI agent to act on their behalf with scoped permissions and a time limit. The session token is used as the agent's Bearer credential. All actions are logged with actor_type: AGENT.

Requires user-level authentication (not API key). Max session duration: 24 hours.

curl -X POST "https://motivation-money.vercel.app/api/v1/agent-sessions" \  -H "Content-Type: application/json" \  -d '{    "scopes": [      "payroll:read",      "payroll:execute"    ],    "expires_at": "2026-04-01T18:00:00.000Z",    "description": "Execute April 2026 payroll"  }'