Week 4 extension: COW/radix cache plan (design only) - #258

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agent/week4v3-cow-radix-plan

Commits on Aug 11, 2026

Week 4 Day 2: authorize effects + durable receipts
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Week 4 session tree: durable event tree with active-path reconstruction
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Week 4 KV checkpoint: content-addressed checkpoint/resume
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Week 4 sequential rewind: checkpoint, act, rewind, do-again
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Week 4 receipt compaction: compact without deleting evidence
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Week 4 steering/status: durable steering + ledger-only status card
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Week 4 exactly-once reconcile: crash/effect reconciliation + safe recovery
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Week 4 equivalence harness: semantic/evidence/policy comparison
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Week 4 COW/radix plan: design-only extension document
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