fix(console): ZSTAC-85595 listen on IPv6 proxy host

[zstack-robot-1]

Root cause:
Console proxy returned the MN IPv6 address to clients, but the console agent listen address was selected from agentIp. For management-node console proxy agent, agentIp is 127.0.0.1, so websockify listened on IPv4 only while API returned [fd00:172:24:246::247].

Fix:
Select the console proxy wildcard listen address from the client-facing proxy hostname instead of agentIp. When the proxy hostname is IPv6, the console proxy agent receives :: and websockify listens for IPv6 clients.

Jira:
http://jira.zstack.io/browse/ZSTAC-85595
Linked e2e task: http://jira.zstack.io/browse/ZSTAC-85504

Verification:

• mvn -Dmaven.test.skip=true clean install
• mvn -f test/pom.xml -Dtest=org.zstack.test.integration.core.ManagementNetworkIpv6Case test
• Hotfix verified on http://172.24.246.247:5000/: RequestConsoleAccess returned hostname [fd00:172:24:246::247], port 4900.
• curl -g http://[fd00:172:24:246::247]:4900/ returned HTTP 405 instead of connection refused.
• curl http://172.24.246.247:4900/ returned HTTP 405.

sync from gitlab !10021

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📥 Commits

Reviewing files that changed from the base of the PR and between 3df089c and 46cd118.

📒 Files selected for processing (2)

• console/src/main/java/org/zstack/console/ConsoleProxyBase.java
• test/src/test/groovy/org/zstack/test/integration/core/ManagementNetworkIpv6Case.groovy

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概览

该PR更新了ConsoleProxyBase中的代理主机名设置逻辑，改用getProxyHostname()替代getAgentIp()，并将相关helper方法的参数名从agentIp改为proxyHostname以保持语义一致。同步更新了对应的集成测试方法名称。

变更

控制台代理主机名参数统一

层级 / 文件	摘要
代理主机名设置和监听地址选择逻辑 console/src/main/java/org/zstack/console/ConsoleProxyBase.java	建立代理连接时，cmd.setProxyHostname()的输入从self.getAgentIp()改为self.getProxyHostname()；selectProxyListenHostname方法参数名从agentIp改为proxyHostname，IPv6/IPv4判断逻辑不变。
测试方法重命名以匹配参数语义变化 test/src/test/groovy/org/zstack/test/integration/core/ManagementNetworkIpv6Case.groovy	测试方法和其调用从testConsoleProxyListenHostByAgentIpVersion重命名为testConsoleProxyListenHostByProxyIpVersion，以反映参数命名变化。

代码审查工作量评估

🎯 1 (简单) | ⏱️ ~5 分钟

诗

代理的名字改了新，
从Agent到Proxy的音韵，
参数重命名保逻辑真，
测试方法跟随齐齐进，
一次小重构，百般清新！🐰✨

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	标题遵循了指定的格式 [scope]: ，且字符长度为51个，符合72字符以内的要求，清晰描述了修复IPv6代理主机监听问题的主要改动。
Description check	✅ Passed	描述详细说明了根本原因、修复方案、Jira关联信息和验证步骤，与变更内容高度相关，清晰解释了为什么需要将agentIp改为proxyHostname。
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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• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch sync/shixin.ruan/shixin-ZSTAC-85595

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