refactor(core): move database schema ownership (#29068)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

packages/opencode/src/installation/index.ts

@@ -6,7 +6,7 @@ import { errorMessage } from "@/util/error"
 import { ChildProcess } from "effect/unstable/process"
 import { AppProcess } from "@opencode-ai/core/process"
 import path from "path"
-import { BusEvent } from "@/bus/bus-event"
+import { EventV2 } from "@opencode-ai/core/event"
 import * as Log from "@opencode-ai/core/util/log"
 import { makeRuntime } from "@opencode-ai/core/effect/runtime"
 import semver from "semver"
@@ -20,18 +20,18 @@ export type Method = "curl" | "npm" | "yarn" | "pnpm" | "bun" | "brew" | "scoop"
 export type ReleaseType = "patch" | "minor" | "major"
 
 export const Event = {
-  Updated: BusEvent.define(
-    "installation.updated",
-    Schema.Struct({
+  Updated: EventV2.define({
+    type: "installation.updated",
+    schema: {
       version: Schema.String,
-    }),
-  ),
-  UpdateAvailable: BusEvent.define(
-    "installation.update-available",
-    Schema.Struct({
+    },
+  }),
+  UpdateAvailable: EventV2.define({
+    type: "installation.update-available",
+    schema: {
       version: Schema.String,
-    }),
-  ),
+    },
+  }),
 }
 
 export function getReleaseType(current: string, latest: string): ReleaseType {