feat(plugin): add session request hook (#35794)

packages/core/test/config/plugin.test.ts

@@ -2,7 +2,7 @@ import fs from "fs/promises"
 import path from "path"
 import { pathToFileURL } from "url"
 import { describe, expect } from "bun:test"
-import { define } from "@opencode-ai/plugin/v2/effect"
+import { Plugin as EffectPlugin } from "@opencode-ai/plugin/v2/effect"
 import { Config as ConfigSchema } from "@opencode-ai/schema/config"
 import { Plugin } from "@opencode-ai/schema/plugin"
 import { AgentV2 } from "@opencode-ai/core/agent"
@@ -178,7 +178,7 @@ describe("PluginSupervisor config", () => {
   it.live("loads user plugins before internal post plugins", () =>
     Effect.gen(function* () {
       const sdk = yield* SdkPlugins.Service
-      yield* sdk.register(define({ id: "sdk-order", effect: () => Effect.void }))
+      yield* sdk.register(EffectPlugin.define({ id: "sdk-order", effect: () => Effect.void }))
       yield* withLocation(
         {
           plugins: [
@@ -275,7 +275,7 @@ function mutablePlugin(description: string) {
   return `
 import { define } from ${JSON.stringify(plugin)}
 
-export default define({
+export default EffectPlugin.define({
   id: "mutable-plugin",
   setup: async (ctx) => {
     await ctx.agent.transform((agents) => {