Added support of availabilityPeriod to topic consumer

[alex268]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 47.05882% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 63.45%. Comparing base (1a922ae) to head (fd382f9).

Files with missing lines	Patch %	Lines
...main/java/tech/ydb/topic/description/Consumer.java	40.00%	8 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #589      +/-   ##
============================================
+ Coverage     63.39%   63.45%   +0.06%     
- Complexity     2487     2491       +4     
============================================
  Files           334      334              
  Lines         13999    14009      +10     
  Branches       1418     1421       +3     
============================================
+ Hits           8874     8890      +16     
+ Misses         4473     4468       -5     
+ Partials        652      651       -1     

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[Copilot]

Pull request overview

This PR adds support for configuring a consumer availabilityPeriod in the Topic client, wiring the new field through the public Consumer model and into the protobuf request mapping, and extending integration tests.

Changes:

• Add availabilityPeriod to tech.ydb.topic.description.Consumer (builder, proto mapping, equals/hashCode, docs).
• Serialize availabilityPeriod into YdbTopic.Consumer requests in TopicClientImpl.
• Add an integration test asserting an invalid combination (important + availabilityPeriod) is rejected; set a test env var in topic/pom.xml.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 6 comments.

File	Description
topic/src/main/java/tech/ydb/topic/description/Consumer.java	Introduces the availabilityPeriod field and builder API; maps it from proto and includes it in equality/hash.
topic/src/main/java/tech/ydb/topic/impl/TopicClientImpl.java	Serializes availabilityPeriod into the protobuf consumer message when present.
topic/src/test/java/tech/ydb/topic/impl/YdbTopicsIntegrationTest.java	Adds a negative integration test for incompatible consumer options.
topic/pom.xml	Configures surefire env var YDB_DOCKER_IMAGE for tests.

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