[changelog] Add changelog for v1.0.11

[github-actions]

Caution

Protected files were modified in this change.
This pull request is in request_review mode and requires explicit human scrutiny before merge.

Protected files: CHANGELOG.md

Adds the v1.0.11 changelog entry to CHANGELOG.md.

Covers 6 highlighted features and 4 other changes across all SDKs, plus 3 new contributors.

Generated by Release Changelog Generator · sonnet46 39.5 AIC · ⌖ 9.24 AIC · ⊞ 8.1K · ◷

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Note

This was originally intended as a pull request, but the git push operation failed.

Original error: pushSignedCommits: refusing unsigned push for branch 'changelog/v1.0.11-47e41bc8a651a7bc': Signed-commit payload violates file-protection policy (request_review): CHANGELOG.md

Workflow Run: View run details and download bundle artifact

The bundle file is available in the agent artifact in the workflow run linked above.

To create a pull request with the changes:

# Download the artifact from the workflow run
gh run download 31818422729 -n agent -D /tmp/agent-31818422729

# Fetch the bundle into a temporary ref, then update the local branch
git fetch /tmp/agent-31818422729/aw-changelog-v1.0.11.bundle refs/heads/changelog/v1.0.11:refs/bundles/create-pr-changelog-v1-0-11-47e41bc8a651a7bc-d2cf7a75
git update-ref refs/heads/changelog/v1.0.11-47e41bc8a651a7bc refs/bundles/create-pr-changelog-v1-0-11-47e41bc8a651a7bc-d2cf7a75
git checkout changelog/v1.0.11-47e41bc8a651a7bc
# Ensure the working tree matches the updated branch
git reset --hard
# Remove the temporary bundle ref
git update-ref -d refs/bundles/create-pr-changelog-v1-0-11-47e41bc8a651a7bc-d2cf7a75

# Push the branch to origin
git push origin changelog/v1.0.11-47e41bc8a651a7bc

# Create the pull request
gh pr create --title '[changelog] Add changelog for v1.0.11' --base main --head changelog/v1.0.11-47e41bc8a651a7bc --repo github/copilot-sdk