refactor(schema): tighten public contracts (#33771)

packages/schema/src/session-status-event.ts

@@ -1,6 +1,7 @@
 export * as SessionStatusEvent from "./session-status-event"
 
 import { Schema } from "effect"
+import { optional } from "./schema"
 import { Event } from "./event"
 import { NonNegativeInt } from "./schema"
 import { SessionID } from "./session-id"
@@ -13,14 +14,14 @@ export const Info = Schema.Union([
     type: Schema.Literal("retry"),
     attempt: NonNegativeInt,
     message: Schema.String,
-    action: Schema.optional(
+    action: optional(
       Schema.Struct({
         reason: Schema.String,
         provider: Schema.String,
         title: Schema.String,
         message: Schema.String,
         label: Schema.String,
-        link: Schema.optional(Schema.String),
+        link: optional(Schema.String),
       }),
     ),
     next: NonNegativeInt,