AOP Specification v1.0.0

Initial release of the Agent Observability Protocol specification.

Included

• Complete protocol specification with 11 event types across 3 tiers
• Event envelope definition with transport requirements
• Lifecycle events: session.started, session.heartbeat, session.ended
• Cognition events: cognition.thought, cognition.goal, cognition.decision, cognition.uncertainty
• Operation events: operation.tool_start, operation.tool_end, operation.agent_spawn, operation.memory, operation.external_call
• Multi-agent session model with parent_session_id
• Custom event type namespacing
• Collector conformance requirements
• Security considerations section
• JSON Schema for event validation