docs(release): add sce-moqui-rc3 release notes

Author: FallingAKS

docs/releases/README.md

@@ -11,6 +11,7 @@ This directory stores release-facing documents:
 - [Release checklist](../release-checklist.md)
 - [sce-moqui-rc1 release notes](./sce-moqui-rc1.md)
 - [sce-moqui-rc2 release notes](./sce-moqui-rc2.md)
+- [sce-moqui-rc3 release notes](./sce-moqui-rc3.md)
 - [v1.46.2 release notes](./v1.46.2.md)
 - [v1.46.2 validation report](./v1.46.2-validation.md)
 - [v3.0.4 release notes](./v3.0.4.md)

docs/releases/sce-moqui-rc3.md

@@ -0,0 +1,31 @@
+# Release Notes: sce-moqui-rc3
+
+Release date: 2026-02-26
+
+## Highlights
+
+- 完成 `.sce/specs` 全量任务勾选收口，`sce status` 统计已达到 `tasksRemaining=0`。
+- 升级 `scene-capability-engine` 到 `3.3.14`，并同步 `sce-upstream-sync` 证据链。
+- 完成一轮完整治理校验：`sce doctor --docs`、`sce:sync:check`、`sce status` 全部通过。
+
+## Included Commits
+
+- `909d1664` chore(sce): close all remaining spec task checklists
+- `51695584` chore(sce): upgrade scene-capability-engine to v3.3.14
+
+## Verification
+
+- `npx sce --version` => `3.3.14`
+- `npm run -s sce:sync:check` 通过
+- `npx sce doctor --docs` 通过
+- `npx sce status` 汇总：`specsWithTasks=1478`，`tasksRemaining=0`
+
+## Evidence
+
+- `docs/handoffs/evidence/sce/sce-upstream-sync-latest.json`
+- `docs/handoffs/evidence/sce/sce-upstream-sync-20260226-124354.json`
+
+## Notes
+
+- 当前分支：`sce-moqui`
+- 建议将 `sce-moqui-rc3` 作为“任务归零 + 引擎升级”阶段基线版本。