feat(sdk): add HttpApi clients and embedded host (#33445)

packages/httpapi-codegen/test/generated-consumer.ts

@@ -0,0 +1,28 @@
+import { Effect, Stream } from "effect"
+import { HttpClient } from "effect/unstable/http"
+import { ClientError, OpenCode } from "./generated"
+import { Missing } from "./fixture"
+
+export const program = OpenCode.make().pipe(
+  Effect.map((client) => {
+    const health = client.session.health()
+    const list = client.session.list()
+    const filtered = client.session.list({ archived: true })
+    const get = client.session.get({ sessionID: "session" })
+    const interrupt = client.session.interrupt({ sessionID: "session" })
+    const status = client.status()
+    const subscribe = client.event.subscribe()
+
+    const _health: Effect.Effect<string, ClientError> = health
+    const _list: Effect.Effect<ReadonlyArray<string>, ClientError> = list
+    const _filtered: Effect.Effect<ReadonlyArray<string>, ClientError> = filtered
+    const _get: Effect.Effect<string, Missing | ClientError> = get
+    const _interrupt: Effect.Effect<void, ClientError> = interrupt
+    const _status: Effect.Effect<string, ClientError> = status
+    const _subscribe: Stream.Stream<{ readonly type: string }, ClientError> = subscribe
+
+    return { _health, _list, _filtered, _get, _interrupt, _status, _subscribe }
+  }),
+)
+
+const _requiresHttpClient: Effect.Effect<unknown, never, HttpClient.HttpClient> = program