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

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

packages/opencode/src/cli/cmd/tui/event.ts

@@ -1,15 +1,15 @@
-import { BusEvent } from "@/bus/bus-event"
 import { SessionID } from "@/session/schema"
 import { PositiveInt } from "@opencode-ai/core/schema"
+import { EventV2 } from "@opencode-ai/core/event"
 import { Effect, Schema } from "effect"
 
 const DEFAULT_TOAST_DURATION = 5000
 
 export const TuiEvent = {
-  PromptAppend: BusEvent.define("tui.prompt.append", Schema.Struct({ text: Schema.String })),
-  CommandExecute: BusEvent.define(
-    "tui.command.execute",
-    Schema.Struct({
+  PromptAppend: EventV2.define({ type: "tui.prompt.append", schema: { text: Schema.String } }),
+  CommandExecute: EventV2.define({
+    type: "tui.command.execute",
+    schema: {
       command: Schema.Union([
         Schema.Literals([
           "session.list",
@@ -31,23 +31,23 @@ export const TuiEvent = {
         ]),
         Schema.String,
       ]),
-    }),
-  ),
-  ToastShow: BusEvent.define(
-    "tui.toast.show",
-    Schema.Struct({
+    },
+  }),
+  ToastShow: EventV2.define({
+    type: "tui.toast.show",
+    schema: {
       title: Schema.optional(Schema.String),
       message: Schema.String,
       variant: Schema.Literals(["info", "success", "warning", "error"]),
       duration: PositiveInt.pipe(Schema.withDecodingDefault(Effect.succeed(DEFAULT_TOAST_DURATION))).annotate({
         description: "Duration in milliseconds",
       }),
-    }),
-  ),
-  SessionSelect: BusEvent.define(
-    "tui.session.select",
-    Schema.Struct({
+    },
+  }),
+  SessionSelect: EventV2.define({
+    type: "tui.session.select",
+    schema: {
       sessionID: SessionID.annotate({ description: "Session ID to navigate to" }),
-    }),
-  ),
+    },
+  }),
 }

packages/opencode/src/cli/cmd/tui/ui/toast.tsx

@@ -7,10 +7,10 @@ import { TextAttributes } from "@opentui/core"
 import { Schema } from "effect"
 import { TuiEvent } from "../event"
 
-type ToastInput = Schema.Codec.Encoded<typeof TuiEvent.ToastShow.properties>
-export type ToastOptions = Schema.Schema.Type<typeof TuiEvent.ToastShow.properties>
+type ToastInput = Schema.Codec.Encoded<typeof TuiEvent.ToastShow.data>
+export type ToastOptions = Schema.Schema.Type<typeof TuiEvent.ToastShow.data>
 
-const decodeToastOptions = Schema.decodeUnknownSync(TuiEvent.ToastShow.properties)
+const decodeToastOptions = Schema.decodeUnknownSync(TuiEvent.ToastShow.data)
 
 export function Toast() {
   const toast = useToast()