feat(session): add durable session archival

packages/schema/src/session-event.ts

@@ -86,6 +86,13 @@ export const Renamed = Event.durable({
 })
 export type Renamed = typeof Renamed.Type
 
+export const Archived = Event.durable({
+  type: "session.archived",
+  ...options,
+  schema: Base,
+})
+export type Archived = typeof Archived.Type
+
 export const UsageRecorded = Event.durable({
   type: "session.usage.recorded",
   ...options,
@@ -550,6 +557,7 @@ export const Definitions = Event.inventory(
   ModelSelected,
   Moved,
   Renamed,
+  Archived,
   UsageUpdated,
   Deleted,
   Forked,

packages/schema/test/event-manifest.test.ts

@@ -104,6 +104,7 @@ describe("public event manifest", () => {
         "session.model.selected.1",
         "session.moved.1",
         "session.renamed.1",
+        "session.archived.1",
         "session.usage.recorded.1",
         "session.forked.2",
         "session.input.promoted.1",