refactor(protocol): extract server contracts (#33708)

packages/schema/src/location.ts

@@ -1,7 +1,8 @@
 export * as Location from "./location"
 
 import { Effect, Schema } from "effect"
-import { AbsolutePath } from "./schema"
+import { AbsolutePath, optionalOmitUndefined } from "./schema"
+import { ProjectID } from "./project-id"
 import { WorkspaceID } from "./workspace-id"
 
 export interface Ref extends Schema.Schema.Type<typeof Ref> {}
@@ -12,3 +13,16 @@ export const Ref = Schema.Struct({
     Schema.withConstructorDefault(Effect.succeed(undefined)),
   ),
 }).annotate({ identifier: "Location.Ref" })
+
+export class Info extends Schema.Class<Info>("Location.Info")({
+  directory: AbsolutePath,
+  workspaceID: optionalOmitUndefined(WorkspaceID),
+  project: Schema.Struct({
+    id: ProjectID,
+    directory: AbsolutePath,
+  }),
+}) {}
+
+export function response<S extends Schema.Top>(data: S) {
+  return Schema.Struct({ location: Info, data })
+}