refactor(schema): extract shared public schemas (#33571)

packages/schema/src/session.ts

@@ -0,0 +1,46 @@
+export * as Session from "./session"
+
+import { Schema } from "effect"
+import { Agent } from "./agent"
+import { Location } from "./location"
+import { Model } from "./model"
+import { Project } from "./project"
+import { DateTimeUtcFromMillis, optionalOmitUndefined, RelativePath } from "./schema"
+import { SessionID } from "./session-id"
+
+export const ID = SessionID.ID
+export type ID = SessionID.ID
+
+export interface Info extends Schema.Schema.Type<typeof Info> {}
+export const Info = Schema.Struct({
+  id: ID,
+  parentID: ID.pipe(optionalOmitUndefined),
+  projectID: Project.ID,
+  agent: Agent.ID.pipe(Schema.optional),
+  model: Model.Ref.pipe(Schema.optional),
+  cost: Schema.Finite,
+  tokens: Schema.Struct({
+    input: Schema.Finite,
+    output: Schema.Finite,
+    reasoning: Schema.Finite,
+    cache: Schema.Struct({
+      read: Schema.Finite,
+      write: Schema.Finite,
+    }),
+  }),
+  time: Schema.Struct({
+    created: DateTimeUtcFromMillis,
+    updated: DateTimeUtcFromMillis,
+    archived: DateTimeUtcFromMillis.pipe(Schema.optional),
+  }),
+  title: Schema.String,
+  location: Location.Ref,
+  subpath: RelativePath.pipe(Schema.optional),
+}).annotate({ identifier: "SessionV2.Info" })
+
+export const ListAnchor = Schema.Struct({
+  id: ID,
+  time: Schema.Finite,
+  direction: Schema.Literals(["previous", "next"]),
+})
+export type ListAnchor = typeof ListAnchor.Type