refactor(core): make v2 session inputs event sourced (#30785)

packages/opencode/src/server/routes/instance/httpapi/groups/global.ts

@@ -20,10 +20,10 @@ const SyncEventSchemas = EventV2.registry
     return [
       Schema.Struct({
         type: Schema.Literal("sync"),
-        id: Schema.String,
+        id: EventV2.ID,
         syncEvent: Schema.Struct({
           type: Schema.Literal(EventV2.versionedType(definition.type, definition.sync.version)),
-          id: Schema.String,
+          id: EventV2.ID,
           seq: Schema.Finite,
           aggregateID: Schema.String,
           data: definition.data,
@@ -41,7 +41,7 @@ const GlobalEventSchema = Schema.Struct({
     ...EventV2.registry
       .values()
       .map((definition) =>
-        Schema.Struct({ id: Schema.String, type: Schema.Literal(definition.type), properties: definition.data }),
+        Schema.Struct({ id: EventV2.ID, type: Schema.Literal(definition.type), properties: definition.data }),
       )
       .toArray(),
     InstanceDisposed,

packages/opencode/src/server/routes/instance/httpapi/groups/sync.ts

@@ -1,4 +1,5 @@
 import { NonNegativeInt } from "@opencode-ai/core/schema"
+import { EventV2 } from "@opencode-ai/core/event"
 import { SessionID } from "@/session/schema"
 import { Schema } from "effect"
 import { HttpApi, HttpApiEndpoint, HttpApiError, HttpApiGroup, OpenApi } from "effect/unstable/httpapi"
@@ -9,7 +10,7 @@ import { described } from "./metadata"
 
 const root = "/sync"
 export const ReplayEvent = Schema.Struct({
-  id: Schema.String,
+  id: EventV2.ID,
   aggregateID: Schema.String,
   seq: NonNegativeInt,
   type: Schema.String,
@@ -27,7 +28,7 @@ export const SessionPayload = Schema.Struct({
 })
 export const HistoryPayload = Schema.Record(Schema.String, NonNegativeInt)
 export const HistoryEvent = Schema.Struct({
-  id: Schema.String,
+  id: EventV2.ID,
   aggregate_id: Schema.String,
   seq: NonNegativeInt,
   type: Schema.String,