core: temporarily disable plan enter tool to prevent unintended mode switches during task execution

packages/opencode/src/tool/plan.ts

@@ -8,7 +8,6 @@ import { Identifier } from "../id/id"
 import { Provider } from "../provider/provider"
 import { Instance } from "../project/instance"
 import EXIT_DESCRIPTION from "./plan-exit.txt"
-import ENTER_DESCRIPTION from "./plan-enter.txt"
 
 async function getLastModel(sessionID: string) {
   for await (const item of MessageV2.stream(sessionID)) {
@@ -72,6 +71,7 @@ export const PlanExitTool = Tool.define("plan_exit", {
   },
 })
 
+/*
 export const PlanEnterTool = Tool.define("plan_enter", {
   description: ENTER_DESCRIPTION,
   parameters: z.object({}),
@@ -128,3 +128,4 @@ export const PlanEnterTool = Tool.define("plan_enter", {
     }
   },
 })
+*/

packages/opencode/src/tool/registry.ts

@@ -1,3 +1,4 @@
+import { PlanExitTool } from "./plan"
 import { QuestionTool } from "./question"
 import { BashTool } from "./bash"
 import { EditTool } from "./edit"
@@ -25,7 +26,7 @@ import { Flag } from "@/flag/flag"
 import { Log } from "@/util/log"
 import { LspTool } from "./lsp"
 import { Truncate } from "./truncation"
-import { PlanExitTool, PlanEnterTool } from "./plan"
+
 import { ApplyPatchTool } from "./apply_patch"
 import { Glob } from "../util/glob"
 import { pathToFileURL } from "url"
@@ -118,7 +119,7 @@ export namespace ToolRegistry {
       ApplyPatchTool,
       ...(Flag.OPENCODE_EXPERIMENTAL_LSP_TOOL ? [LspTool] : []),
       ...(config.experimental?.batch_tool === true ? [BatchTool] : []),
-      ...(Flag.OPENCODE_EXPERIMENTAL_PLAN_MODE && Flag.OPENCODE_CLIENT === "cli" ? [PlanExitTool, PlanEnterTool] : []),
+      ...(Flag.OPENCODE_EXPERIMENTAL_PLAN_MODE && Flag.OPENCODE_CLIENT === "cli" ? [PlanExitTool] : []),
       ...custom,
     ]
   }