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docs/retroarch/phase-1.0ar-offline-result-channel-model.md

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+# Phase 1.0AR: offline exclusive result channel model
+
+Status: `HOST_PARTIAL_READ_AND_DEADLINE_MODEL_COMPLETE_LIVE_CHANNEL_BLOCKED`
+
+Date: 2026-07-29
+
+The transport-free model consumes synthetic chunks from exactly one
+precommitted writer. It supports every two-part split and byte-at-a-time
+delivery of the 128-byte Phase-1.0AQ record. Completion of the exact record, not
+EOF, is the only success boundary.
+
+EOF or deadline before completion, silent incompleteness, overflow, digest or
+identity mismatch, and any event after the exact record all fail closed. A read
+that would cross the synthetic deadline is classified as not executed. Every
+failed outcome requires the supervisor to contain worker and child.
+
+The model does not rely on a 128-byte atomic write: partial reads are expected.
+It contains no pipe, descriptor, real clock, process or target interface. Live
+descriptor inheritance, close ordering, nonblocking reads and a hard deadline
+must be bound to reviewed public source before a channel implementation can be
+considered.