feat: encapsulate identity with better-auth

modules/identity/routes/session/resolve/spec.ts

@@ -0,0 +1,12 @@
+import { route } from "@platform/relay";
+import z from "zod";
+
+import { PrincipalSchema } from "../../../models/principal.ts";
+import { SessionSchema } from "../../../models/session.ts";
+
+export default route.get("/api/v1/identity/session").response(
+  z.object({
+    session: SessionSchema,
+    principal: PrincipalSchema,
+  }),
+);