[upstream-sync] Upstream sync: 24 new commits (2026-03-10)

[github-actions]

Upstream Changes Detected

There are 24 new commits in the upstream github/copilot-sdk repository that have not yet been ported to this Java SDK.

Commit range: 4e1499d...9a0a1a5

Recent upstream commits (24 total)

9a0a1a5 Add DebuggerDisplay to SessionEvent for better debugging (#726)
abfbc9e Add a copilot package icon to the .NET nuget package (#688)
4125fe7 Register sessions before RPC and add SessionConfig.OnEvent (#664)
7235609 Use lazy property initialization in C# RPC classes (#725)
2b3337a Emit XML doc comments from schema descriptions in C# codegen (#724)
0bb8a81 docs: add per-language custom instruction links to FAQ (#740)
87968ce Fix link in docs (#774)
11dde6e Update to match runtime changes (#737)
ad51d74 Fix codegen for discriminated unions nested within other types (#736)
5c38b90 In C# codegen, represent optional RPC params as optional C# method params, not just nullable values (#733)
e478657 feat: add onListModels handler to CopilotClientOptions for BYOK mode (#730)
6195e3e docs: update compatibility matrix with missing SDK and CLI features (#727)
7766b1a feat: add agent parameter to session creation for pre-selecting custom agents (#722)
f4b0956 docs: reorganize docs/ into intent-based sections (#723)
327a798 docs: replace 72 skip directives with hidden compilable blocks (#721)
c786a35 docs: add hooks guide covering permissions, auditing, and notifications (#720)
310e7b4 docs: add image input guide (#719)
9595cda docs: add streaming session events field-level reference guide (#717)
667712e Add changelog for v0.1.32 (#708)
416f614 Add changelog for v0.1.31 (#705)
5fbd145 docs: add Microsoft Agent Framework integration guide (#716)
890b1a7 docs: add steering and queueing guide (#714)
396e8b3 Add v2 protocol backward compatibility adapters (#706)
1653812 Handle tool and permission broadcasts via event model (protocol v3) (#686)

Task

Please follow the agentic-merge-upstream prompt to port these changes into the Java SDK.

When done, create a Pull Request with the label upstream-sync.

Generated by Weekly Upstream Sync Agentic Workflow

• expires on Mar 16, 2026, 12:56 PM UTC