sync: from linuxdeepin/dde-session-shell

[deepin-ci-robot]

Synchronize source files from linuxdeepin/dde-session-shell.

Source-pull-request: linuxdeepin/dde-session-shell#73

Summary by Sourcery

Align licensing and compliance metadata with upstream for session shell components.

Documentation:

• Add SPDX license headers to mfasequencecontrol source and header files.

Chores:

• Replace REUSE.toml with a .reuse/dep5 configuration file to adjust REUSE licensing metadata.

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: deepin-ci-robot

The full list of commands accepted by this bot can be found here.

Details

Needs approval from an approver in each of these files:

• debian/deepin/OWNERS

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[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Syncs licensing metadata with upstream by adding SPDX headers to MFA sequence control sources and switching from REUSE.toml to a .reuse/dep5-based configuration.

File-Level Changes

Change	Details	Files
Add SPDX license and copyright headers to MFA sequence control implementation and header.	Insert SPDX-FileCopyrightText comment for UnionTech Software Technology Co., Ltd. Specify GPL-3.0-or-later license via SPDX-License-Identifier in both implementation and header files	src/session-widgets/mfasequencecontrol.cpp src/session-widgets/mfasequencecontrol.h
Switch REUSE licensing configuration from REUSE.toml to .reuse/dep5.	Remove existing REUSE.toml configuration file Add new .reuse/dep5 configuration file for REUSE compliance	REUSE.toml .reuse/dep5

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[sourcery-ai]

Hey - I've left some high level feedback:

• The SPDX-FileCopyrightText year is set to 2026 in the new headers; please double-check that this future date is intentional and aligns with the rest of the project’s licensing metadata.
• Now that REUSE.toml has been removed in favor of .reuse/dep5, verify that the DEP5 configuration fully covers these files and is consistent with the existing REUSE setup in other parts of the repository.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- The SPDX-FileCopyrightText year is set to 2026 in the new headers; please double-check that this future date is intentional and aligns with the rest of the project’s licensing metadata.
- Now that REUSE.toml has been removed in favor of .reuse/dep5, verify that the DEP5 configuration fully covers these files and is consistent with the existing REUSE setup in other parts of the repository.

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[deepin-ci-robot]

deepin pr auto review

★ 总体评分：100分

■ 【总体评价】

代码完成了许可证格式迁移及SPDX头补充，格式规范且无任何风险
逻辑正确且无安全漏洞，满分通过

■ 【详细分析】

• 1.语法逻辑（完全正确）✓

本次提交仅涉及纯文本文件的添加与删除，以及C++源文件中SPDX注释头的补充，不包含任何可执行逻辑代码变更，不存在语法或逻辑错误
建议：保持现有的许可证声明一致性

• 2.代码质量（良好）✓

从REUSE.toml格式平滑迁移至.reuse/dep5格式，符合REUSE规范标准；SPDX头信息格式正确，版权年份与归属声明清晰
建议：后续新增文件时继续严格遵循此SPDX头格式规范

• 3.代码性能（无性能问题）✓

纯配置与许可证文本变更，不产生任何运行时开销或系统调用
建议：无需优化

• 4.代码安全（存在0个安全漏洞）✓

漏洞对比统计：新增漏洞 0 个，减少漏洞 0 个，持平 0 个
本次变更为纯文本与注释级别的许可证合规性调整，不涉及内存操作、输入处理或权限变更，无任何攻击面

• 建议：继续保持对第三方许可证文本完整性的校验，防止恶意篡改

■ 【改进建议代码示例】

无，当前代码已完全符合规范，无需修改。