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

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

@@ -0,0 +1,39 @@
+// Generated by @opencode-ai/httpapi-codegen. Do not edit.
+import { Effect, Schema, Stream } from "effect"
+import { Sse } from "effect/unstable/encoding"
+import { HttpClientError } from "effect/unstable/http"
+import { HttpApiClient, HttpApiEndpoint, HttpApiGroup, HttpApiSchema } from "effect/unstable/httpapi"
+import { ClientError } from "./client-error"
+
+const Endpoint0SuccessData = Schema.Struct({ type: Schema.String })
+
+const Endpoint0SuccessError = Schema.Never
+
+export const Group1 = HttpApiGroup.make("event", { topLevel: false }).add(
+  HttpApiEndpoint.make("GET")("subscribe", "/event", {
+    success: HttpApiSchema.StreamSse({
+      data: Endpoint0SuccessData,
+      error: Endpoint0SuccessError,
+      contentType: "text/event-stream",
+    }).pipe(HttpApiSchema.status(202)),
+  }),
+)
+
+type RawGroup = HttpApiClient.Client.Group<typeof Group1, "event", never, never>
+
+const Endpoint0DeclaredError = Schema.Union([Endpoint0SuccessError])
+const mapEndpoint0Error = (error: unknown) =>
+  HttpClientError.isHttpClientError(error) || Schema.isSchemaError(error) || Sse.Retry.is(error)
+    ? new ClientError({ cause: error })
+    : Schema.is(Endpoint0DeclaredError)(error)
+      ? error
+      : new ClientError({ cause: error })
+const Endpoint0 = (raw: RawGroup) => () =>
+  Stream.unwrap(
+    raw["subscribe"]({}).pipe(
+      Effect.mapError(mapEndpoint0Error),
+      Effect.map((stream) => stream.pipe(Stream.mapError(mapEndpoint0Error))),
+    ),
+  )
+
+export const adaptGroup1 = (raw: RawGroup) => ({ subscribe: Endpoint0(raw) })