Port RPC API from official Copilot SDK (PRs #464, #491, #544)

[Copilot]

Ports the typed RPC layer from copilot-sdk into the Laravel SDK, covering server-scoped and session-scoped methods. Also syncs the latest session-events.ts additions.

RPC Types (src/Types/Rpc/)

21 readonly classes following existing Arrayable + fromArray/toArray pattern: PingResult, ModelsListResult, SessionModeSetParams, SessionCompactionCompactResult, AgentInfo, etc.

RPC API (src/Rpc/)

Pending* naming (Laravel idiom, analogous to Python SDK's *Api classes):

• ServerRpc → PendingModels, PendingTools, PendingAccount
• SessionRpc → PendingModel, PendingMode, PendingPlan, PendingWorkspace, PendingFleet, PendingAgent, PendingCompaction

// Server-scoped
$client->rpc()->ping(new PingParams(message: 'hello'));
$client->rpc()->models()->list();
$client->rpc()->account()->getQuota();

// Session-scoped
$session->rpc()->mode()->set(new SessionModeSetParams(mode: 'plan'));
$session->rpc()->model()->switchTo(new SessionModelSwitchToParams(modelId: 'gpt-4'));
$session->rpc()->plan()->read();
$session->rpc()->workspace()->listFiles();
$session->rpc()->agent()->list();
$session->rpc()->compaction()->compact();

Contract & wiring changes

• rpc() added to Client → ServerRpc, Session → SessionRpc
• CopilotClient and CopilotSession contracts updated
• FakeSession implements rpc()

SessionEventType enum

7 new cases from latest session-events.ts: session.title_changed, session.warning, session.mode_changed, session.plan_changed, session.workspace_file_changed, session.task_complete, assistant.streaming_delta

Tests

87 new RPC tests + updated event type assertions. All 455 tests pass.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• https://api.github.com/copilot_internal/user
  • Triggering command: /home/REDACTED/.local/bin/copilot copilot --headless --stdio --log-level info (http block)
  • Triggering command: /home/REDACTED/.local/bin/copilot copilot --headless --stdio --log-level info t stty n/stty (http block)
  • Triggering command: /home/REDACTED/.local/bin/copilot copilot --headless --stdio --log-level info pilot-sdk/vendor/bin/stty stty ndor/bin/stty (http block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

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