fix(tui): guard Bun runtime plugin support

packages/tui/package.json

@@ -72,6 +72,11 @@
       "bun": "./src/editor-zed-sqlite.bun.ts",
       "node": "./src/editor-zed-sqlite.node.ts",
       "default": "./src/editor-zed-sqlite.bun.ts"
+    },
+    "#runtime-plugin-support": {
+      "bun": "./src/plugin/runtime-plugin-support.bun.ts",
+      "node": "./src/plugin/runtime-plugin-support.node.ts",
+      "default": "./src/plugin/runtime-plugin-support.node.ts"
     }
   },
   "dependencies": {

packages/tui/src/plugin/context.tsx

@@ -16,7 +16,7 @@ import { fileURLToPath, pathToFileURL } from "url"
 import type { Context, Dialog, Page, Slot, SlotMap, SlotName, Toast } from "@opencode-ai/plugin/tui/context"
 import { createStore, produce, reconcile as reconcileStore } from "solid-js/store"
 import { useRenderer } from "@opentui/solid"
-import { ensureRuntimePluginSupport } from "@opentui/solid/runtime-plugin-support/configure"
+import "#runtime-plugin-support"
 import { useConfig } from "../config"
 import { useClient } from "../context/client"
 import { useData } from "../context/data"
@@ -37,8 +37,6 @@ import { abbreviateHome } from "../util/path-format"
 import { builtins } from "./builtins"
 import { discoverTuiPlugins } from "./discovery"
 
-ensureRuntimePluginSupport()
-
 export interface PackageResolver {
   readonly resolve: (spec: string) => Promise<string | undefined>
 }

packages/tui/src/plugin/runtime-plugin-support.bun.ts

@@ -0,0 +1,3 @@
+import { ensureRuntimePluginSupport } from "@opentui/solid/runtime-plugin-support/configure"
+
+ensureRuntimePluginSupport()

packages/tui/src/plugin/runtime-plugin-support.node.ts

@@ -0,0 +1 @@
+// OpenTUI's runtime plugin transform uses Bun's plugin API. Node loads precompiled plugins without it.