chore: reconcile contribution rules and onboarding fixtures

Extract the guided setup test fixture without dropping cases. Supply current settings/discovery contracts and Opus 5.5 in the isolated Storybook boundary.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

packages/adapter-utils/src/types.ts

@@ -725,7 +725,6 @@ export interface CLIAdapterModule {
 
 export interface CreateConfigValues {
   runner?: "auto" | "paperclip" | "legacy";
-  /** Transient form resolution; never an execution setting or API override. */
   resolvedRunner?: "paperclip" | "legacy";
   adapterType: string;
   codexPermissionMode?: "never" | "on-request" | "untrusted";

packages/adapters/claude-local/src/ui/build-config.ts

@@ -45,8 +45,6 @@ export function buildClaudeLocalConfig(v: CreateConfigValues): Record<string, un
   if (Object.keys(env).length > 0) ac.env = env;
   const nativeSelected = v.runner === "paperclip"
     || ((v.runner === undefined || v.runner === "auto") && v.resolvedRunner === "paperclip");
-  // Only a resolved native form omits the Legacy default. Explicit limits
-  // still reach the server's compatibility check.
   if (!nativeSelected || v.maxTurnsPerRun !== 1000) ac.maxTurnsPerRun = v.maxTurnsPerRun;
   if (nativeSelected && v.adapterSchemaValues?.acpxPermissionMode !== undefined) {
     ac.acpxPermissionMode = v.adapterSchemaValues.acpxPermissionMode;

packages/shared/src/agent-runner.ts

@@ -7,7 +7,6 @@ export interface AgentRunnerAvailability {
   defaultRunner: AgentRunner;
 }
 
-/** Only qualified harnesses graduate their creation default. */
 export function paperclipRunnerProfileForHarness(harness: string): { provider: "codex" } | { provider: "acpx"; acpxAgent: "claude" } | undefined {
   if (harness === "codex_local") return { provider: "codex" };
   if (harness === "claude_local") return { provider: "acpx", acpxAgent: "claude" };
@@ -31,7 +30,6 @@ function supportsLinuxLibc(libc?: "glibc" | "musl" | "unknown", version?: string
 
 /** Creation defaults follow GNU/Linux and macOS artifacts; Alpine/musl is deferred. */
 export function paperclipRunnerSupportsPlatform(harness: string, platform: string, architecture: string, libc?: "glibc" | "musl" | "unknown", glibcVersion?: string): boolean {
-  // Claude graduates on Apple Silicon first; other targets await package and live qualification.
   if (harness === "claude_local") return platform === "darwin" && architecture === "arm64";
   return !!paperclipRunnerProfileForHarness(harness)
     // Omitted libc preserves platform-only callers; detected unknown Linux is not qualified.