从主项目 02-P/plan-progress.markdown 的 P-20260626-m4c-handshake-coordination 领取 m4c 侧 M4C-H5-03,基于 Mindraw production design、MD-H1-03 lease slice 和已完成的 M4C-H5-02 harness,完成 mutation-phase 预联调契约对齐。
范围边界:只做契约、harness、dry-run 准备;不调用真实写入,不改真实用户原件,不做 App open direct package write,不宣传 .assets 权威化,不领取 PM-H5-GATE 或任何 H* / PM-*。
M4C-H5-03 mutation-phase harness,生成 acquire_write_lease、release_write_lease、commit_write_result(createAiResultFrame) 的 request/response contract fixture。M4C-H5-01 fixture / 真实用户工作副本,以及 M4C-H5-02 read-state/context stub。LEASE_ALREADY_HELD、LEASE_EXPIRED、LEASE_ACTOR_MISMATCH、WRITE_PLAN_MISMATCH、MUTATION_SCHEMA_INVALID、SAVE_FAILED。M4C-H5-03 标记完成并追加 Progress Log。03-O 正式输出区已提交 commit 701b7ff7bf35ee71bfe1aca8606dffeff24071fe。p.mindrawforcodex/03-O/C3.tools/scripts/m4c-h5-mutation-harness.mjsp.mindrawforcodex/03-O/K2.项目管理/联调QA/2026-06-26-M4C-H5-03Mutation契约清单.mdp.mindrawforcodex/03-O/C1.source/CODEGRAPH.mdp.mindrawforcodex/03-O/C3.tools/README.mdp.mindrawforcodex/03-O/.codebase-memory/artifact.jsonp.mindrawforcodex/03-O/.codebase-memory/graph.db.zstp.mindrawforcodex/02-P/Round05-MCPAlpha/qa/round05-h5-mutation-harness-check.mdp.mindrawforcodex/02-P/Round05-MCPAlpha/qa/round05-h5-mutation-harness.jsonp.mindrawforcodex/02-P/Round05-MCPAlpha/work/h5-joint-smoke/mutation-harness/p.mindrawforcodex/INDEX.mdINDEX.md02-P/plan-progress.markdownnode --check p.mindrawforcodex/03-O/C3.tools/scripts/m4c-h5-mutation-harness.mjs
node p.mindrawforcodex/03-O/C3.tools/scripts/m4c-h5-mutation-harness.mjs contract
node p.mindrawforcodex/03-O/C3.tools/scripts/m4c-h5-mutation-harness.mjs smoke
git -C p.mindrawforcodex/03-O diff --check
codebase-memory-mcp cli index_repository '{"repo_path":"/Users/ar/Projects/ExcalidrawX/p.mindrawforcodex/03-O","project":"Users-ar-Projects-ExcalidrawX-p.mindrawforcodex-03-O"}'
PASS。fixture 与真实用户工作副本 package digest 均未改变;realUserOriginalWritten=false、defaultWritebackEnabled=false、appOpenDirectPackageWriteAllowed=false、realCommitInvoked=false、pmH5GateExecuted=false、assetStoreAuthorityClaimed=false。
MD-H1-05 真实 App QA 证据后,由 PM 拆正式 PM-H5-GATE 联合 smoke 子任务。等待 PM 收敛 MD-H1-05 与 m4c M4C-H5-03 证据。m4c 不自行领取 Gate、H* 或新增跨项目任务。