Refactor v2 session events as schemas (#24512)

packages/opencode/test/session/compaction.test.ts

@@ -20,6 +20,7 @@ import { MessageV2 } from "../../src/session/message-v2"
 import { MessageID, PartID, SessionID } from "../../src/session/schema"
 import { SessionStatus } from "../../src/session/status"
 import { SessionSummary } from "../../src/session/summary"
+import { SessionV2 } from "../../src/v2/session"
 import { ModelID, ProviderID } from "../../src/provider/schema"
 import type { Provider } from "@/provider/provider"
 import * as SessionProcessorModule from "../../src/session/processor"
@@ -597,6 +598,15 @@ describe("session.compaction.create", () => {
           auto: true,
           overflow: true,
         })
+
+        const v2 = yield* SessionV2.Service.use((svc) => svc.messages({ sessionID: info.id })).pipe(
+          Effect.provide(SessionV2.defaultLayer),
+        )
+        expect(v2.at(-1)).toMatchObject({
+          type: "compaction",
+          reason: "auto",
+          summary: "",
+        })
       }),
     ),
   )