fix(cli): restore plugin list diagnostics (#37540)

Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com>

packages/cli/src/commands/commands.ts

@@ -114,6 +114,10 @@ export const Commands = Spec.make(typeof OPENCODE_CLI_NAME === "string" ? OPENCO
         }),
       ],
     }),
+    Spec.make("plugin", {
+      description: "Manage plugins",
+      commands: [Spec.make("list", { description: "List active plugins" })],
+    }),
     Spec.make("migrate", { description: "Migrate v1 data to v2" }),
     Spec.make("mini", {
       description: "Start the minimal interactive interface",

packages/cli/src/commands/handlers/plugin/list.ts

@@ -0,0 +1,24 @@
+import { EOL } from "node:os"
+import { Effect } from "effect"
+import { OpenCode } from "@opencode-ai/client"
+import { Service } from "@opencode-ai/client/effect/service"
+import { Commands } from "../../commands"
+import { Runtime } from "../../../framework/runtime"
+import { ServiceConfig } from "../../../services/service-config"
+
+export default Runtime.handler(
+  Commands.commands.plugin.commands.list,
+  Effect.fn("cli.plugin.list")(function* () {
+    const options = yield* ServiceConfig.options()
+    const found = yield* Service.discover(options)
+    const endpoint = found ?? (yield* Service.ensure(options))
+    const client = OpenCode.make({ baseUrl: endpoint.url, headers: Service.headers(endpoint) })
+    const response = yield* Effect.promise(() => client.plugin.list({ location: { directory: process.cwd() } }))
+    const plugins = response.data.toSorted((a, b) => a.id.localeCompare(b.id))
+    if (plugins.length === 0) {
+      process.stdout.write("No plugins loaded" + EOL)
+      return
+    }
+    process.stdout.write(plugins.map((plugin) => plugin.id).join(EOL) + EOL)
+  }),
+)

packages/cli/src/index.ts

@@ -32,6 +32,9 @@ const Handlers = Runtime.handlers(Commands, {
     auth: () => import("./commands/handlers/mcp/auth"),
     logout: () => import("./commands/handlers/mcp/logout"),
   },
+  plugin: {
+    list: () => import("./commands/handlers/plugin/list"),
+  },
   migrate: () => import("./commands/handlers/migrate"),
   mini: () => import("./commands/handlers/mini"),
   run: () => import("./commands/handlers/run"),