chat-protocol.ts (ChatStreamEvent: start, delta, tool, thinking, plan, state, queue, compaction, retry, done, error); chat-protocol.zod.ts (zod schemas); fleet-contract.ts (ChatAttachment, ProjectId, zod schemas for attachments/projects); openui-prompt.ts, .openui-signatures.ts, .openui-schema.generated.json. Provider catalog also included (provider-catalog.ts).
Related: Web server, Web API