Glossary

Term	Meaning
Application	Process-scoped graph of providers, agents, tools, stores and policy
Factory	Synchronous zero-argument function constructing a fresh application
Session	Durable identity and recorded history of agent work
Interaction	A runtime interaction within that session
Step	A bounded runtime iteration, potentially containing model and tool activity
Attempt	One try within a repair or retry boundary
Event	Recorded runtime evidence with identity and type
Trajectory	Retained sequence of execution evidence used for inspection or evaluation
Context	Model-facing input selected for an invocation
Compaction	Replacement of part of the model-facing context with a bounded summary/projection
Memory	Scoped, application-selected retained information used by later work
Knowledge	Domain facts exposed through an application-owned interface
Tool effect	Declared category used by policy to classify a capability
Approval	Exact human decision at an application/runtime authorization boundary
Task	Durable job record with assignment, claim and result state
Worker	Process/loop that claims or advances work
Dispatcher	Coordination for continuing existing sessions
Lease	Time-bounded execution ownership
Fence	Identity/generation check that prevents stale owners from mutating state
Receipt	Durable evidence identifying a completed or reconciled operation
Workspace	Bounded file-access interface
Runner	Process-execution interface
Environment	Session-owned resources and lifecycle around execution
Artifact	Retained output with a stable retrievable identity
Eval case	Input plus expectations for one logical behavior
Eval suite	Versioned collection of cases and execution/judgment configuration
Judge	Evaluator of semantic quality against an explicit rubric and evidence
Baseline	Reviewed immutable evaluation result used for compatible comparison

Use concepts for the relationships and API reference for the exact public types.