feat(init): pre-supply existingSentry to eliminate roundtrip

src/lib/init/local-ops.ts

@@ -31,7 +31,6 @@ import type {
   ApplyPatchsetPatch,
   ApplyPatchsetPayload,
   CreateSentryProjectPayload,
-  DetectSentryPayload,
   DirEntry,
   FileExistsBatchPayload,
   GlobPayload,
@@ -440,7 +439,7 @@ export async function handleLocalOp(
       case "create-sentry-project":
         return await createSentryProject(payload, options);
       case "detect-sentry":
-        return await detectSentry(payload);
+        return await precomputeSentryDetection(payload.cwd);
       default:
         return {
           ok: false,
@@ -990,11 +989,16 @@ export async function detectExistingProject(cwd: string): Promise<{
   return null;
 }
 
-async function detectSentry(
-  payload: DetectSentryPayload
+/**
+ * Detect existing Sentry setup in a directory. Exported so wizard-runner
+ * can pre-compute this alongside dirListing before the workflow starts,
+ * eliminating a suspend/resume roundtrip.
+ */
+export async function precomputeSentryDetection(
+  cwd: string
 ): Promise<LocalOpResult> {
   const { detectDsn } = await import("../dsn/index.js");
-  const dsn = await detectDsn(payload.cwd);
+  const dsn = await detectDsn(cwd);
 
   if (!dsn) {
     return { ok: true, data: { status: "none", signals: [] } };

src/lib/init/wizard-runner.ts

@@ -47,6 +47,7 @@ import {
   detectExistingProject,
   handleLocalOp,
   precomputeDirListing,
+  precomputeSentryDetection,
   preReadCommonFiles,
   resolveOrgSlug,
   tryGetExistingProject,
@@ -636,7 +637,10 @@ export async function runWizard(initialOptions: WizardOptions): Promise<void> {
   let run: Awaited<ReturnType<typeof workflow.createRun>>;
   let result: WorkflowRunResult;
   try {
-    const dirListing = await precomputeDirListing(directory);
+    const [dirListing, existingSentry] = await Promise.all([
+      precomputeDirListing(directory),
+      precomputeSentryDetection(directory).catch(() => null),
+    ]);
     const fileCache = await preReadCommonFiles(directory, dirListing);
     spin.message("Connecting to wizard...");
     run = await workflow.createRun();
@@ -650,6 +654,7 @@ export async function runWizard(initialOptions: WizardOptions): Promise<void> {
             features,
             dirListing,
             fileCache,
+            existingSentry: existingSentry?.data,
           },
           tracingOptions,
         }),

test/lib/init/wizard-runner.test.ts

@@ -199,6 +199,10 @@ beforeEach(() => {
     "precomputeDirListing"
   ).mockResolvedValue([]);
   spyOn(ops, "preReadCommonFiles").mockResolvedValue({});
+  spyOn(ops, "precomputeSentryDetection").mockResolvedValue({
+    ok: true,
+    data: { status: "none", signals: [] },
+  });
   handleInteractiveSpy = spyOn(inter, "handleInteractive").mockResolvedValue({
     action: "continue",
   });