fix: laser video aspect, stop visibility, test port isolation

[Yukikaze2233]

Summary

• Laser stage: video is letterboxed by the actual texture aspect instead of a fixed 16:9, so non-16:9 camera frames are no longer stretched
• Laser Stop button stays visible when an external laser daemon is detected (FIFO present), not only for egui-managed processes
• RadarApp tests use dedicated ZMQ ports (5657/5658) so a running radar-egui instance does not collide

Verification

• cargo fmt --all --check: pass
• cargo check: pass
• cargo test: 94 unit + 8 runtime tests passed, 1 hardware-dependent test ignored

Summary by CodeRabbit

• 功能改进
  • 激光脚本状态显示现在会同时反映脚本活动状态和 daemon 可用状态；无活动脚本时将显示“daemon”或“Idle”。
  • 视频区域会根据实际内容比例自动进行适配，减少画面变形。
  • ZMQ 发布服务支持使用可配置端口启动，提升运行环境兼容性。

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Review details

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: a612f8fa-4e90-4fcc-a1e7-6cc4096f4730

📥 Commits

Reviewing files that changed from the base of the PR and between c6d47ba and fb1677c.

📒 Files selected for processing (1)

• src/app/laser_process_controls.rs

📝 Walkthrough

Walkthrough

本次变更更新激光 daemon 状态显示、视频纹理的宽高比布局，并为 ZMQ 发布运行时增加可配置端口。测试应用改用专用端口，默认构造函数仍使用 5557 和 5558。

Changes

运行时与界面更新

Layer / File(s)	Summary
激光状态显示 src/app/laser_process_controls.rs	激光状态现在同时检查受管控状态和 daemon 可用状态。无活动脚本时，daemon 可用则显示 "daemon"，否则显示 "Idle"。
视频宽高比布局 src/app/laser_stage.rs	存在纹理时，视频区域使用纹理的实际宽高比。无纹理时继续使用默认 VIDEO_ASPECT。
ZMQ 发布端口配置 src/app/mod.rs	新增 new_with_zmq_pub_ports 构造函数。ZMQ 发布运行时根据传入端口生成绑定地址。测试应用使用 5657 和 5658。

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• Alliance-Algorithm/radar-egui#1：修改相同的激光控制、视频布局和应用初始化代码。
• Alliance-Algorithm/radar-egui#11：涉及相同的 ZMQ PUB 运行时、端口配置和测试设置。
• Alliance-Algorithm/radar-egui#17：涉及 src/app/mod.rs 中的双 ZMQ 发布端口配置。

Suggested reviewers: yukikaze223344

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	标题准确概括了视频宽高比、停止按钮可见性和测试端口隔离这三项主要变更。
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@src/app/laser_process_controls.rs`:
- Around line 12-21: 修正 daemon 提示的条件判断：在相关提示逻辑中不要使用已包含 snapshot.daemon_available
的 running 来判断无活动状态，而应根据 snapshot.laser.active_laser 是否为空来决定；确保 daemon
存活且没有活动脚本时仍显示 daemon 提示，同时保留活动脚本存在时的现有行为。

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 2254a167-da3f-474d-b468-2d8d365264ee

📥 Commits

Reviewing files that changed from the base of the PR and between 95dd2dc and c6d47ba.

📒 Files selected for processing (3)

• src/app/laser_process_controls.rs
• src/app/laser_stage.rs
• src/app/mod.rs