v0.9.3

What's Changed

• feat(coordinator): bounded durable version retention + read-at-version by @hipvlady in #112
• fix(coordinator): reconcile read-generation fence absent-operand semantics by @hipvlady in #113
• fix(coordinator): harden spawn/idle lifecycle (L1/L3/L5) by @hipvlady in #115
• fix(coordinator): abort watchdog-late mutations and de-silence degraded reads (A6/A7) by @hipvlady in #114
• fix(benchmark): make TC-1 cost-sweep reproducible + add token/$ translation by @hipvlady in #116
• chore(release): v0.9.3 — durable version retention + read-at-version by @hipvlady in #117

Full Changelog: v0.9.2...v0.9.3