[AgentServer] sync from container_agent repo

[lusu-msft]

Description

Please add an informative description that covers that changes made by the pull request and link all relevant issues.

If an SDK is being regenerated based on a new API spec, a link to the pull request containing these API spec changes should be included above.

All SDK Contribution checklist:

• The pull request does not introduce [breaking changes]
• CHANGELOG is updated for new features, bug fixes or other significant changes.
• I have read the contribution guidelines.

General Guidelines and Best Practices

• Title of the pull request is clear and informative.
• There are a small number of commits, each of which have an informative message. This means that previously merged commits do not appear in the history of the PR. For more information on cleaning up the commits in your PR, see this page.

Testing Guidelines

• Pull request includes test coverage for the included changes.

[github-actions]

API Change Check

APIView identified API level changes in this PR and created the following API reviews

azure-ai-agentserver-core

[Copilot]

Pull Request Overview

This PR syncs code from the container_agent repository, bumping three agentserver packages from version 1.0.0b1 to 1.0.0b2. The changes include bug fixes, code formatting improvements, environment variable standardization, and the addition of a conversation field to response objects.

• Version bumps for azure-ai-agentserver-langgraph, azure-ai-agentserver-core, and azure-ai-agentserver-agentframework from 1.0.0b1 to 1.0.0b2
• Code formatting fixes (removing extra spaces before type/mypy ignore comments)
• Refactoring of error message formatting with new _format_error helper function
• Environment variable name standardization for Application Insights
• ID generation format fix in FoundryIdGenerator
• Addition of conversation field to agent framework response output

Reviewed Changes

Copilot reviewed 14 out of 17 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
sdk/agentserver/azure-ai-agentserver-langgraph/azure/ai/agentserver/langgraph/models/response_event_generators/response_output_text_event_generator.py	Fixed code formatting by removing extra spaces before mypy ignore comments
sdk/agentserver/azure-ai-agentserver-langgraph/azure/ai/agentserver/langgraph/models/response_event_generators/response_event_generator.py	Fixed code formatting and added trailing comma for better style consistency
sdk/agentserver/azure-ai-agentserver-langgraph/azure/ai/agentserver/langgraph/models/response_event_generators/response_content_part_event_generator.py	Fixed code formatting by removing extra spaces before mypy ignore comments
sdk/agentserver/azure-ai-agentserver-langgraph/_version.py	Version bump from 1.0.0b1 to 1.0.0b2
sdk/agentserver/azure-ai-agentserver-langgraph/CHANGELOG.md	Added changelog entry for 1.0.0b2 release
sdk/agentserver/azure-ai-agentserver-core/azure/ai/agentserver/core/server/common/id_generator/foundry_id_generator.py	Changed ID generation format from {prefix}{entropy}{infix}{pkey} to {prefix}{infix}{pkey}{entropy}
sdk/agentserver/azure-ai-agentserver-core/azure/ai/agentserver/core/server/common/agent_run_context.py	Fixed code formatting by removing extra spaces before type ignore comments
sdk/agentserver/azure-ai-agentserver-core/azure/ai/agentserver/core/server/base.py	Added import for APPINSIGHT_CONNSTR_ENV_NAME, improved log messages, refactored error formatting with new _format_error helper function
sdk/agentserver/azure-ai-agentserver-core/azure/ai/agentserver/core/logger.py	Introduced APPINSIGHT_CONNSTR_ENV_NAME constant and updated references to use it
sdk/agentserver/azure-ai-agentserver-core/azure/ai/agentserver/core/constants.py	Removed APPLICATION_INSIGHTS_CONNECTION_STRING constant and changed ENABLE_APPLICATION_INSIGHTS_LOGGER value
sdk/agentserver/azure-ai-agentserver-core/_version.py	Version bump from 1.0.0b1 to 1.0.0b2
sdk/agentserver/azure-ai-agentserver-core/CHANGELOG.md	Added changelog entry for 1.0.0b2 release
sdk/agentserver/azure-ai-agentserver-agentframework/azure/ai/agentserver/agentframework/models/agent_framework_output_streaming_converter.py	Added conversation field to response output
sdk/agentserver/azure-ai-agentserver-agentframework/azure/ai/agentserver/agentframework/models/agent_framework_output_non_streaming_converter.py	Fixed code formatting by removing extra spaces before type ignore comment
sdk/agentserver/azure-ai-agentserver-agentframework/azure/ai/agentserver/agentframework/agent_framework.py	Updated import and reference to use APPINSIGHT_CONNSTR_ENV_NAME
sdk/agentserver/azure-ai-agentserver-agentframework/_version.py	Version bump from 1.0.0b1 to 1.0.0b2
sdk/agentserver/azure-ai-agentserver-agentframework/CHANGELOG.md	Added changelog entry for 1.0.0b2 release