Prepare azure.ai.agents 0.1.12-preview release

[Copilot]

Bumps the azure.ai.agents extension to 0.1.12-preview, capturing four PRs merged since the 0.1.11-preview release.

Version changes

• version.txt: 0.1.11-preview → 0.1.12-preview
• extension.yaml: version: field updated to match

Changelog entries (0.1.12-preview)

• #6892 Fix inverted conditional in selected model check during azd ai agent init from code
• #6909 Add AZURE_AI_PROJECT_ENDPOINT to default env vars; persist AZURE_AI_MODEL_DEPLOYMENT_NAME as an env var reference
• #6895 Add azd ai agent logs and azd ai agent status commands
• #6901 Structured error handling with improved service error mapping

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  • Triggering command: /usr/bin/gh gh pr view 6892 --repo Azure/azure-dev --json title,body,files (http block)
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Original prompt

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This section details on the original issue you should resolve

<issue_title>Prepare new patch release for azure.ai.agents</issue_title>
<issue_description></issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Prepare new patch release for azure.ai.agents #6930

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[Copilot]

Pull request overview

Prepares the azure.ai.agents azd extension for the next preview patch release by bumping the extension version and documenting the included changes.

Changes:

• Bump azure.ai.agents extension version from 0.1.11-preview to 0.1.12-preview.
• Sync the extension manifest version with version.txt.
• Add a 0.1.12-preview section to the extension changelog referencing the included PRs.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
cli/azd/extensions/azure.ai.agents/version.txt	Updates the extension release version to 0.1.12-preview.
cli/azd/extensions/azure.ai.agents/extension.yaml	Keeps the extension manifest version in sync with version.txt.
cli/azd/extensions/azure.ai.agents/CHANGELOG.md	Documents the new 0.1.12-preview release contents and date.

Comments suppressed due to low confidence (1)

cli/azd/extensions/azure.ai.agents/version.txt:1

• The PR description checklist still shows the version/extension.yaml/CHANGELOG updates as unchecked, but the diff includes these updates. Please update the PR description (and/or remove the "[WIP]" prefix) so the release preparation status is accurate for reviewers/release tooling.

0.1.12-preview

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[rajeshkamal5050]

/check-enforcer override