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20 lines
1013 B
Python
20 lines
1013 B
Python
"""Agenton state-only core.
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Agenton core composes reusable stateless layer graph plans, creates a fresh
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``CompositorRun`` for each invocation, hydrates and advances serializable layer
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``runtime_state`` through run slots, enters each layer's active-scope
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``resource_context()``, and emits session snapshots. It intentionally never
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serializes resources, handles, clients, cleanup callbacks, or any other
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non-serializable runtime object.
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Each ``Compositor`` stores only graph nodes and layer providers. Every enter call
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creates new layer instances, binds direct dependencies for that run, and writes
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the next cross-call state to ``run.session_snapshot`` after exit. To resume a
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suspended call, reuse the same compositor plan and pass the prior snapshot to a
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new enter call.
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``LifecycleState.ACTIVE`` is internal-only while an entry is running. External
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session snapshots and hydrated input must contain only non-active lifecycle
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states; ``runtime_state`` is the only mutable layer data captured by snapshots.
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"""
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