Add getConfigSchema to surface K8s fields in Paperclip UI

Adds AdapterConfigSchema with three sections (Kubernetes, Resource Limits,
Scheduling) exposing: namespace, image, imagePullPolicy, kubeconfig,
resources.{requests,limits}.{cpu,memory}, nodeSelector, tolerations,
labels, ttlSecondsAfterFinished, retainJobs.

Paperclip's server fetches GET /api/adapters/:type/config-schema and
caches the result, automatically assigning ConfigFields to external
adapters. The adapter now wires getConfigSchema into createServerAdapter().

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

src/server/index.ts

@@ -3,6 +3,7 @@ import { type, models, agentConfigurationDoc } from "../index.js";
 import { execute } from "./execute.js";
 import { testEnvironment } from "./test.js";
 import { sessionCodec } from "./session.js";
+import { getConfigSchema } from "./config-schema.js";
 
 export function createServerAdapter(): ServerAdapterModule {
   return {
@@ -13,7 +14,8 @@ export function createServerAdapter(): ServerAdapterModule {
     models,
     supportsLocalAgentJwt: true,
     agentConfigurationDoc,
-  };
+    getConfigSchema,
+  } as ServerAdapterModule;
 }
 
 export { execute, testEnvironment, sessionCodec };