Reference implementation sync: 2 new commits (2026-05-05) #158

Automated Reference Implementation Sync

There are 2 new commits in the official Copilot SDK since the last merge.

• Last merged commit: ced6613253a595769d2e77547f9e1caf6bef6438
• Reference implementation HEAD: ad0a9aa1789f70b6b0a4e56dc64ccde43ebe0384

Recent reference implementation commits

ad0a9aa Ignore C# Dev Kit *.csproj.lscache files (#1196)
c063458 Expand SDK E2E runtime coverage (#1197)

Instructions

Follow the agentic-merge-reference-impl prompt to port these changes to the Java SDK.