Main add rocketmqa2a component

[zk-drizzle]

AgentScope-Java Version

[The version of AgentScope-Java you are working on, e.g. 1.0.9, check your pom.xml dependency version or run mvn dependency:tree | grep agentscope-parent:pom(only mac/linux)]

Description

add the rocketmq a2a component

Checklist

Please check the following items before code is ready to be reviewed.

• Code has been formatted with mvn spotless:apply
• All tests are passing (mvn test)
• Javadoc comments are complete and follow project conventions
• Related documentation has been updated (e.g. links, examples, etc.)
• Code is ready for review

[cla-assistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
0 out of 2 committers have signed the CLA.

❌ drizzle.zk
❌ zk-drizzle

---

drizzle.zk seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please add the email address used for this commit to your account.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[cla-assistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
0 out of 2 committers have signed the CLA.

❌ drizzle.zk
❌ zk-drizzle

---

drizzle.zk seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please add the email address used for this commit to your account.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[codecov]

Codecov Report

❌ Patch coverage is 27.39726% with 53 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...ing/boot/a2a/properties/A2aRocketMQProperties.java	7.14%	39 Missing ⚠️
...pring/boot/a2a/AgentscopeA2aAutoConfiguration.java	40.00%	12 Missing ⚠️
.../spring/boot/a2a/properties/JSONRPCProperties.java	81.81%	2 Missing ⚠️

📢 Thoughts on this report? Let us know!