nexus/server/src/adapters/registry.ts

import type { ServerAdapterModule } from "./types.js";
import {
  execute as claudeExecute,
  testEnvironment as claudeTestEnvironment,
  sessionCodec as claudeSessionCodec,
} from "@paperclip/adapter-claude-local/server";
import { agentConfigurationDoc as claudeAgentConfigurationDoc, models as claudeModels } from "@paperclip/adapter-claude-local";
import {
  execute as codexExecute,
  testEnvironment as codexTestEnvironment,
  sessionCodec as codexSessionCodec,
} from "@paperclip/adapter-codex-local/server";
import { agentConfigurationDoc as codexAgentConfigurationDoc, models as codexModels } from "@paperclip/adapter-codex-local";
import {
  execute as openclawExecute,
  testEnvironment as openclawTestEnvironment,
} from "@paperclip/adapter-openclaw/server";
import {
  agentConfigurationDoc as openclawAgentConfigurationDoc,
  models as openclawModels,
} from "@paperclip/adapter-openclaw";
import { listCodexModels } from "./codex-models.js";
import { processAdapter } from "./process/index.js";
import { httpAdapter } from "./http/index.js";

const claudeLocalAdapter: ServerAdapterModule = {
  type: "claude_local",
  execute: claudeExecute,
  testEnvironment: claudeTestEnvironment,
  sessionCodec: claudeSessionCodec,
  models: claudeModels,
  supportsLocalAgentJwt: true,
  agentConfigurationDoc: claudeAgentConfigurationDoc,
};

const codexLocalAdapter: ServerAdapterModule = {
  type: "codex_local",
  execute: codexExecute,
  testEnvironment: codexTestEnvironment,
  sessionCodec: codexSessionCodec,
  models: codexModels,
  listModels: listCodexModels,
  supportsLocalAgentJwt: true,
  agentConfigurationDoc: codexAgentConfigurationDoc,
};

const openclawAdapter: ServerAdapterModule = {
  type: "openclaw",
  execute: openclawExecute,
  testEnvironment: openclawTestEnvironment,
  models: openclawModels,
  supportsLocalAgentJwt: false,
  agentConfigurationDoc: openclawAgentConfigurationDoc,
};

const adaptersByType = new Map<string, ServerAdapterModule>(
  [claudeLocalAdapter, codexLocalAdapter, openclawAdapter, processAdapter, httpAdapter].map((a) => [a.type, a]),
);

export function getServerAdapter(type: string): ServerAdapterModule {
  const adapter = adaptersByType.get(type);
  if (!adapter) {
    // Fall back to process adapter for unknown types
    return processAdapter;
  }
  return adapter;
}

export async function listAdapterModels(type: string): Promise<{ id: string; label: string }[]> {
  const adapter = adaptersByType.get(type);
  if (!adapter) return [];
  if (adapter.listModels) {
    const discovered = await adapter.listModels();
    if (discovered.length > 0) return discovered;
  }
  return adapter.models ?? [];
}

export function listServerAdapters(): ServerAdapterModule[] {
  return Array.from(adaptersByType.values());
}

export function findServerAdapter(type: string): ServerAdapterModule | null {
  return adaptersByType.get(type) ?? null;
}