v1.0.2

Feature: opt-in memory for sessions

Sessions can now be configured with persistent memory, allowing the agent to recall information across turns. Set memory: { enabled: true } when creating or resuming a session; when omitted the runtime default applies. (#1617)

const session = await client.createSession({
    memory: { enabled: true },
});

var session = await client.CreateSessionAsync(new SessionConfig
{
    Memory = new MemoryConfiguration { Enabled = true }
});

Feature: defer parameter for tool definitions

Tools now support a defer option controlling whether they are pre-loaded eagerly or surfaced lazily through tool search. Use "auto" (the default) to allow lazy loading, or "never" to force pre-loading. (#1632)

defineTool("lookup_issue", {
    description: "Fetch issue details",
    parameters: z.object({ id: z.string() }),
    defer: "auto",
    handler: async ({ id }) => { /* ... */ },
});

var tool = CopilotTool.DefineTool(
    async ([Description("Issue ID")] string id) => { /* ... */ },
    toolOptions: new CopilotToolOptions { Defer = CopilotToolDefer.Auto });

Other changes

• feature: [All SDKs] add otlpProtocol telemetry option ("http/json" or "http/protobuf") for configuring OTLP export transport (#1648)
• feature: [All SDKs] surface ModelBilling.tokenPrices on public SDK types, exposing per-tier input/output/cache pricing and context window limits (#1633)
• improvement: [All SDKs] call runtime.shutdown during normal client stop for deterministic OTEL telemetry flush before process cleanup (#1667)
• improvement: [Go] thread context.Context through the JSON-RPC request path for proper cancellation support (#1643)
• improvement: [Java] add getOpenCanvases() to CopilotSession to track currently open canvas instances, matching the other SDKs (#1606)
• improvement: [Java] rename SystemPromptSections to SystemMessageSections for cross-SDK consistency; old class deprecated with forRemoval=true (#1683)
• bugfix: [Python] round sub-millisecond durations in to_timedelta_int to avoid serialization errors (#1668)
• bugfix: [Rust] skip CLI binary download in build.rs when DOCS_RS env var is set (#1660)

New contributors

• @andyfeller made their first contribution in #1631
• @almaleksia made their first contribution in #1632
• @idryzhov made their first contribution in #1668
• @scottaddie made their first contribution in #1636

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