feat: add openclaw_gateway adapter

New adapter type for invoking OpenClaw agents via the gateway protocol.
Registers in server, CLI, and UI adapter registries. Adds onboarding
wizard support with gateway URL field and e2e smoke test script.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

cli/src/adapters/registry.ts

@@ -4,6 +4,7 @@ import { printCodexStreamEvent } from "@paperclipai/adapter-codex-local/cli";
 import { printCursorStreamEvent } from "@paperclipai/adapter-cursor-local/cli";
 import { printOpenCodeStreamEvent } from "@paperclipai/adapter-opencode-local/cli";
 import { printOpenClawStreamEvent } from "@paperclipai/adapter-openclaw/cli";
+import { printOpenClawGatewayStreamEvent } from "@paperclipai/adapter-openclaw-gateway/cli";
 import { processCLIAdapter } from "./process/index.js";
 import { httpCLIAdapter } from "./http/index.js";
 
@@ -32,8 +33,22 @@ const openclawCLIAdapter: CLIAdapterModule = {
   formatStdoutEvent: printOpenClawStreamEvent,
 };
 
+const openclawGatewayCLIAdapter: CLIAdapterModule = {
+  type: "openclaw_gateway",
+  formatStdoutEvent: printOpenClawGatewayStreamEvent,
+};
+
 const adaptersByType = new Map<string, CLIAdapterModule>(
-  [claudeLocalCLIAdapter, codexLocalCLIAdapter, openCodeLocalCLIAdapter, cursorLocalCLIAdapter, openclawCLIAdapter, processCLIAdapter, httpCLIAdapter].map((a) => [a.type, a]),
+  [
+    claudeLocalCLIAdapter,
+    codexLocalCLIAdapter,
+    openCodeLocalCLIAdapter,
+    cursorLocalCLIAdapter,
+    openclawCLIAdapter,
+    openclawGatewayCLIAdapter,
+    processCLIAdapter,
+    httpCLIAdapter,
+  ].map((a) => [a.type, a]),
 );
 
 export function getCLIAdapter(type: string): CLIAdapterModule {