feat: pluginize cli inference backends

src/plugins/cli-backends.runtime.ts

@@ -0,0 +1,13 @@
+import { getActivePluginRegistry } from "./runtime.js";
+import type { CliBackendPlugin } from "./types.js";
+
+export type PluginCliBackendEntry = CliBackendPlugin & {
+  pluginId: string;
+};
+
+export function resolveRuntimeCliBackends(): PluginCliBackendEntry[] {
+  return (getActivePluginRegistry()?.cliBackends ?? []).map((entry) => ({
+    ...entry.backend,
+    pluginId: entry.pluginId,
+  }));
+}