v0.2.1

Feature: commands and UI elicitation across all four SDKs

Register slash commands that CLI users can invoke and drive interactive input dialogs from any SDK language. This feature was previously Node.js-only; it now ships in Python, Go, and .NET as well. (#906, #908, #960)

const session = await client.createSession({
  onPermissionRequest: approveAll,
  commands: [{
    name: "summarize",
    description: "Summarize the conversation",
    handler: async (context) => { /* ... */ },
  }],
  onElicitationRequest: async (context) => {
    if (context.type === "confirm") return { action: "confirm" };
  },
});

// Drive dialogs from the session
const confirmed = await session.ui.confirm({ message: "Proceed?" });
const choice = await session.ui.select({ message: "Pick one", options: ["A", "B"] });

var session = await client.CreateSessionAsync(new SessionConfig {
    OnPermissionRequest = PermissionHandler.ApproveAll,
    Commands = [
        new CommandDefinition {
            Name = "summarize",
            Description = "Summarize the conversation",
            Handler = async (context) => { /* ... */ },
        }
    ],
});

// Drive dialogs from the session
var confirmed = await session.Ui.ConfirmAsync(new ConfirmOptions { Message = "Proceed?" });

⚠️ Breaking change (Node.js): The onElicitationRequest handler signature changed from two arguments (request, invocation) to a single ElicitationContext that combines both. Update callers to use context.sessionId and context.message directly.

Feature: session.getMetadata across all SDKs

Efficiently fetch metadata for a single session by ID without listing all sessions. Returns undefined/null (not an error) when the session is not found. (#899)

• TypeScript: const meta = await client.getSessionMetadata(sessionId);
• C#: var meta = await client.GetSessionMetadataAsync(sessionId);
• Python: meta = await client.get_session_metadata(session_id)
• Go: meta, err := client.GetSessionMetadata(ctx, sessionID)

Feature: sessionFs for virtualizing per-session storage (Node SDK)

Supply a custom sessionFs adapter in Node SDK session config to redirect the runtime's per-session storage (event log, large output files) to any backing store — useful for serverless deployments or custom persistence layers. (#917)

Other changes

• bugfix: structured tool results (with toolTelemetry, resultType, etc.) now sent via RPC as objects instead of being stringified, preserving metadata for Node, Go, and Python SDKs (#970)
• feature: [Python] CopilotClient and CopilotSession now support async with for automatic resource cleanup (#475)
• improvement: [Python] copilot.types module removed; import types directly from copilot (#871)
• improvement: [Python] workspace_path now accepts any os.PathLike and session.workspace_path returns a pathlib.Path (#901)
• improvement: [Go] simplified rpc package API: renamed structs drop the redundant Rpc infix (e.g. ModelRpcApi → ModelApi) (#905)
• fix: [Go] Session.SetModel now takes a pointer for optional options instead of a variadic argument (#904)

New contributors

• @Sumanth007 made their first contribution in #475
• @jongalloway made their first contribution in #957
• @Morabbin made their first contribution in #970
• @schneidafunk made their first contribution in #998

Note

🔒 Integrity filter blocked 2 items

The following items were blocked because they don't meet the GitHub integrity level.

• #970 search_pull_requests: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".
• #475 search_pull_requests: has lower integrity than agent requires. The agent cannot read data with integrity below "approved".

To allow these resources, lower min-integrity in your GitHub frontmatter:

tools:
  github:
    min-integrity: approved  # merged | approved | unapproved | none

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