Survey openraft, raft-rs, and async-raft crates. Design a Raft-backed
TaskStore prototype using openraft with SQLite state machine. Analytical
benchmark against Redis across latency, throughput, memory, and ops
complexity. Decision: revisit before v2.0, do not ship in v0.x/v1.0 —
Raft fails the decision gate (worse on write latency and correctness
maturity despite removing the Redis dependency).
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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