Learn Before
Context Boundaries, Contract Boundaries, and Transition Checks - Long-Horizon Agent Reliability: Stateful Scaffolding and Runtime Verification @ University of Michigan - Ann Arbor
States as Context-and-Contract Boundaries - Autonomous Agent Control Planes: State Scaffolding and Resilient Execution @ University of Michigan - Ann Arbor
State as a Context Boundary
In stateful agent architectures such as StateM, a phase-level state functions as a context boundary that isolates and refreshes operational information across phase transitions. Upon entering a state, the runtime exposes the current phase identity, valid outgoing edges, state-local instructions, and durable progress artifacts, executing an entry hook (in_hook) to inject prompts, perform setup tasks, initialize state-local files, or load compact progress records. This mechanism establishes a fresh control anchor without requiring the language model to infer its current phase and outstanding obligations entirely from the preceding terminal execution trace. However, it does not erase prior context or guarantee lossless compaction; it makes authoritative phase obligations explicit and recent, but cannot supply task knowledge that neither the model nor the accessible environment possesses.
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Prep Sessions
Long-Horizon Agent Reliability: Stateful Scaffolding and Runtime Verification @ University of Michigan - Ann Arbor
Ch.2 Runtime Architecture and Boundary Control - Long-Horizon Agent Reliability: Stateful Scaffolding and Runtime Verification @ University of Michigan - Ann Arbor
Context Boundaries, Contract Boundaries, and Transition Checks - Long-Horizon Agent Reliability: Stateful Scaffolding and Runtime Verification @ University of Michigan - Ann Arbor
Autonomous Agent Control Planes: State Scaffolding and Resilient Execution @ University of Michigan - Ann Arbor
Ch.1 Execution Lifecycle and State Boundaries - Autonomous Agent Control Planes: State Scaffolding and Resilient Execution @ University of Michigan - Ann Arbor
States as Context-and-Contract Boundaries - Autonomous Agent Control Planes: State Scaffolding and Resilient Execution @ University of Michigan - Ann Arbor
Related
State as a Context Boundary
State as a Contract Boundary
Taxonomy of State Transition Checks by Evidentiary Strength
StateM Ordered Transition Protocol
State as Context-and-Contract Boundary
Phase-Level State Abstraction
Evidentiary Hierarchy of Transition Checks
State as a Context Boundary
State as a Contract Boundary
StateM Agent Runtime
StateM Ordered Transition Protocol
Learn After
In a stateful agent architecture, what is the primary role of a state functioning as a context boundary across phase transitions?
A state acting as a context boundary requires the language model to deduce its active obligations and phase history from an append-only terminal log.
List the four specific operational elements exposed by the runtime upon entering a state in a stateful agent architecture.
Explain the architectural limitations of using a state as a context boundary in stateful agent frameworks, specifically addressing prior context retention, compaction guarantees, and knowledge availability.
Match each entry hook (
in_hook) action in a stateful agent architecture to its operational purpose.While a state context boundary makes current obligations explicit and recent, it does not guarantee ___ compaction of prior execution context.
Order the sequence of events that occurs when an agent enters a new phase-level state.
Evaluate the developer's claim regarding the state context boundary. Why did the agent fail, and what does the state boundary actually guarantee?