feat(core): initial implementation of syncing (#17814)

packages/opencode/src/server/projectors.ts

@@ -0,0 +1,28 @@
+import z from "zod"
+import sessionProjectors from "../session/projectors"
+import { SyncEvent } from "@/sync"
+import { Session } from "@/session"
+import { SessionTable } from "@/session/session.sql"
+import { Database, eq } from "@/storage/db"
+
+export function initProjectors() {
+  SyncEvent.init({
+    projectors: sessionProjectors,
+    convertEvent: (type, data) => {
+      if (type === "session.updated") {
+        const id = (data as z.infer<typeof Session.Event.Updated.schema>).sessionID
+        const row = Database.use((db) => db.select().from(SessionTable).where(eq(SessionTable.id, id)).get())
+
+        if (!row) return data
+
+        return {
+          sessionID: id,
+          info: Session.fromRow(row),
+        }
+      }
+      return data
+    },
+  })
+}
+
+initProjectors()