refactor: harden outbound, matrix bootstrap, and plugin entry resolution

src/plugins/manifest.ts

@@ -148,6 +148,18 @@ export type OpenClawPackageManifest = {
   install?: PluginPackageInstall;
 };
 
+export const DEFAULT_PLUGIN_ENTRY_CANDIDATES = [
+  "index.ts",
+  "index.js",
+  "index.mjs",
+  "index.cjs",
+] as const;
+
+export type PackageExtensionResolution =
+  | { status: "ok"; entries: string[] }
+  | { status: "missing"; entries: [] }
+  | { status: "empty"; entries: [] };
+
 export type ManifestKey = typeof MANIFEST_KEY;
 
 export type PackageManifest = {
@@ -164,3 +176,19 @@ export function getPackageManifestMetadata(
   }
   return manifest[MANIFEST_KEY];
 }
+
+export function resolvePackageExtensionEntries(
+  manifest: PackageManifest | undefined,
+): PackageExtensionResolution {
+  const raw = getPackageManifestMetadata(manifest)?.extensions;
+  if (!Array.isArray(raw)) {
+    return { status: "missing", entries: [] };
+  }
+  const entries = raw
+    .map((entry) => (typeof entry === "string" ? entry.trim() : ""))
+    .filter(Boolean);
+  if (entries.length === 0) {
+    return { status: "empty", entries: [] };
+  }
+  return { status: "ok", entries };
+}