refactor(schema): normalize module patterns (#33770)

packages/schema/src/session-message.ts

@@ -4,12 +4,15 @@ import { Schema } from "effect"
 import { ProviderMetadata, ToolContent } from "./llm"
 import { Model } from "./model"
 import { FileAttachment, Prompt } from "./prompt"
-import { DateTimeUtcFromMillis, RelativePath } from "./schema"
+import { DateTimeUtcFromMillis, RelativePath, statics } from "./schema"
 import { SessionID } from "./session-id"
-import { SessionMessageID } from "./session-message-id"
+import { ascending } from "./identifier"
 
-export const ID = SessionMessageID.ID
-export type ID = SessionMessageID.ID
+export const ID = Schema.String.check(Schema.isStartsWith("msg_")).pipe(
+  Schema.brand("Session.Message.ID"),
+  statics((schema) => ({ create: () => schema.make("msg_" + ascending()) })),
+)
+export type ID = typeof ID.Type
 
 export interface UnknownError extends Schema.Schema.Type<typeof UnknownError> {}
 export const UnknownError = Schema.Struct({