feat(tui): discover project plugins

packages/tui/src/plugin/context.tsx

@@ -33,6 +33,7 @@ import { useToast } from "../ui/toast"
 import { useAttention } from "../context/attention"
 import { abbreviateHome } from "../util/path-format"
 import { builtins } from "./builtins"
+import { discoverTuiPlugins } from "./discovery"
 
 export interface PackageResolver {
   readonly resolve: (spec: string) => Promise<string | undefined>
@@ -353,7 +354,7 @@ export function PluginProvider(props: ParentProps<{ packages: PackageResolver }>
         .filter(([, registration]) => registration.active)
         .map(([id]) => deactivate(id)),
     )
-    const entries = config.data.plugins ?? []
+    const entries = [...(await discoverTuiPlugins(paths.cwd)), ...(config.data.plugins ?? [])]
     batch(() => {
       setStore("registrations", reconcileStore({}))
       setStore("states", [])

packages/tui/src/plugin/discovery.ts

@@ -0,0 +1,16 @@
+import { readdir } from "node:fs/promises"
+import path from "node:path"
+
+const extensions = new Set([".cjs", ".cts", ".js", ".jsx", ".mjs", ".mts", ".ts", ".tsx"])
+
+export async function discoverTuiPlugins(cwd: string) {
+  const directory = path.join(cwd, ".opencode", "plugins", "tui")
+  const entries = await readdir(directory, { withFileTypes: true }).catch((error: unknown) => {
+    if (error && typeof error === "object" && Reflect.get(error, "code") === "ENOENT") return []
+    return Promise.reject(error)
+  })
+  return entries
+    .filter((entry) => (entry.isFile() || entry.isSymbolicLink()) && extensions.has(path.extname(entry.name)))
+    .map((entry) => path.join(directory, entry.name))
+    .sort()
+}