docs(ops): drop PutChangeProposal from decision-idempotency notes

Record that compensation must not seed memory-only proposal state.

Co-authored-by: Cursor <cursoragent@cursor.com>

.doc/ops/short-term/2026-09-13-document-revision-runtime.md

@@ -75,7 +75,7 @@ cd web && npm test && npm run build
 - H：**活动与提案收口**：`RecordActivity(完成交付物)` 仅在 committed 投影成功后；pending 记「候选待编制人确认」；落盘/投影失败不记完成。`MarkProposalApplied` 失败返回显式错误（bizdev / `DOCUMENT_GOVERNANCE_FAILED`）可重试
 - I：**阶段链防传播**：`ExecuteStage` 遇 `PendingAgentCandidateID` 立即停阶段（Success=false + 待确认文案），SubArtifacts 保留候选，**不**吸收 ExtractedData / PriorDoc；确认后由用户重新发起阶段
 - J：**前端历史映射**：`pending_author_confirmation` 显式映射为气泡状态（不再默认 completed）；刷新窗口显示「待编制人确认」标签
-- K：**决策幂等收口**：`CommitAgentVersion` 已 committed 且 expected hashes 一致时返回当前 state（可继续投影/MarkProposalApplied）；已 committed 禁止 reject。`MarkProposalApplied` 先写 DB 再改内存；已 applied 幂等；`PutChangeProposal` 供补偿补种。decision 失败 hint 指向同决策重试
+- K：**决策幂等收口**：`CommitAgentVersion` 已 committed 且 expected hashes 一致时返回当前 state（可继续投影/MarkProposalApplied）；已 committed 禁止 reject。`MarkProposalApplied` 先写 DB 再改内存；已 applied 幂等（包内 Propose+Decide 验证）。decision 失败 hint 指向同决策重试；**不**暴露内存补种 helper（避免内存/DB 分叉）
 - L：**Playwright 骨架**：`web` 增加 `@playwright/test` + `playwright.config.ts` + `e2e/document-revision-runtime.spec.ts`（`RUN_UI_ACCEPTANCE=1` 才跑；无 mock/route/API/DB fixture）
 
 ### 用户 UI 实战验收