feat(cloudflare): Add instrumentAgentWithSentry for Cloudflare Agents - #22718
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Add `instrumentAgentWithSentry`, which wraps a Cloudflare Agents SDK `Agent` (or `AIChatAgent`) class the same way `instrumentDurableObjectWithSentry` wraps a plain Durable Object, plus the core `instrumentCloudflareAgent` helper that layers agent-specific instrumentation onto the constructed instance. The shared Durable Object construction path is extracted into `constructInstrumentedDurableObject` / `finalizeWithRpcInstrumentation` so both entry points reuse the same handler, RPC, storage and env instrumentation. Adds Agent- and AIChatAgent-driven integration suites that drive Workers AI through the real Agents SDK + Vercel AI + workers-ai-provider stack, guarding that gen_ai output (including `gen_ai.output.messages`) survives end to end. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Co-Authored-By: Cursor Agent <cursoragent@cursor.com>
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This adds
instrumentAgentWithSentry. Which is the same asinstrumentDurableObjectWithSentryjust with one more addition: In between it callsinstrumentCloudflareAgent(obj)which adds more instrumentations. The most moving parts are indurableobject.ts, but here the main functionality moved out frominstrumentDurableObjectWithSentryinto its own helper function, so it can get reused withininstrumentAgentWithSentry. The logic didn't change at all.The
Agentclass from theagentsSDK is extending from DurableObjects, so this is why it would work without it, butagentscomes with way more complexity baked in.This PR adds:
@callabledecorator (instrumentAgentCallableRpc.ts)conversationIdbased onthis.name(this is set by the user, e.g.useAgents({ name: sessionId })) (instrumentChatAgentConversation.ts)