feat(hotreload): reset plugins, tools, and mcp on apply

Author: benjaminshafii

packages/opencode/src/mcp/index.ts

@@ -209,6 +209,10 @@ export namespace MCP {
     },
   )
 
+  export async function reset() {
+    await state.reset()
+  }
+
   // Helper function to fetch prompts for a specific client
   async function fetchPromptsForClient(clientName: string, client: Client) {
     const prompts = await client.listPrompts().catch((e) => {

packages/opencode/src/plugin/index.ts

@@ -119,6 +119,10 @@ export namespace Plugin {
     return state().then((x) => x.hooks)
   }
 
+  export async function reset() {
+    await state.reset()
+  }
+
   export async function init() {
     const hooks = await state().then((x) => x.hooks)
     const config = await Config.get()

packages/opencode/src/project/hotreload.ts

@@ -6,8 +6,11 @@ import { Command } from "@/command"
 import { Config } from "@/config/config"
 import { FileWatcher } from "@/file/watcher"
 import { Flag } from "@/flag/flag"
+import { MCP } from "@/mcp"
+import { Plugin } from "@/plugin"
 import { SessionStatus } from "@/session/status"
 import { Skill } from "@/skill"
+import { ToolRegistry } from "@/tool/registry"
 import { Log } from "@/util/log"
 import { Instance } from "./instance"
 import z from "zod"
@@ -135,6 +138,9 @@ export namespace HotReload {
 
       const reload = async () => {
         await Config.reset()
+        await Plugin.reset()
+        await MCP.reset()
+        await ToolRegistry.reset()
         await Skill.reset()
         await Agent.reset()
         await Command.reset()

packages/opencode/src/tool/registry.ts

@@ -57,6 +57,10 @@ export namespace ToolRegistry {
     return { custom }
   })
 
+  export async function reset() {
+    await state.reset()
+  }
+
   function fromPlugin(id: string, def: ToolDefinition): Tool.Info {
     return {
       id,