9574e2b514
server-workbench-http.ts: - sessionListProjectionOptions: 当 session snapshot 已有 durable projection 字段 (projectionStatus/terminal/sealedAt) 时,直接使用 projection 字段构建 turn projection, 不再从 compactSessionTraceResult/compactSessionTraceSnapshot 多来源混合 - recordWorkbenchProjectionMetric: status 只读 projection.status,不再 fallback 到 result?.status ?? trace?.status;source 固定为 workbench_read_model - SPEC header 更新到 draft-2026-06-20-p3-read-side-zero workbench-turn-projection.ts: - SPEC header 更新到 draft-2026-06-20-p1-zero-split-durable-realtime Closes #1749 Refs #1742