fix(server): pairing codes typed in hyphen- or space-separated groups are accepted

apps/server/src/auth/PairingGrantStore.test.ts

@@ -70,6 +70,22 @@ it.layer(Layer.mergeAll(NodeServices.layer, NodeCrypto.layer))("PairingGrantStor
     ),
   );
 
+  it.effect("accepts a one-time token typed in hyphen- or space-separated groups", () =>
+    Effect.gen(function* () {
+      const bootstrapCredentials = yield* PairingGrantStore.PairingGrantStore;
+      const issued = yield* bootstrapCredentials.issueOneTimeToken();
+      const formatted = issued.credential.match(/.{1,4}/g)!.join("-");
+      const consumed = yield* bootstrapCredentials.consume(formatted.toLowerCase());
+      const second = yield* bootstrapCredentials.issueOneTimeToken();
+      const spaced = yield* bootstrapCredentials.consume(
+        second.credential.match(/.{1,4}/g)!.join(" "),
+      );
+
+      expect(consumed.method).toBe("one-time-token");
+      expect(spaced.method).toBe("one-time-token");
+    }).pipe(Effect.provide(layerPairingGrantStore())),
+  );
+
   it.effect("atomically consumes a one-time token when multiple requests race", () =>
     Effect.gen(function* () {
       const bootstrapCredentials = yield* PairingGrantStore.PairingGrantStore;

apps/server/src/auth/PairingGrantStore.ts

@@ -561,8 +561,10 @@ const make = Effect.gen(function* () {
       }
 
       // Only credentials in the issued pairing-code formats are case-insensitive.
-      const pairingCredential = PAIRING_TOKEN_PATTERN.test(credential)
-        ? credential.toUpperCase()
+      // People type codes in groups such as XXXX-XXXX-XXXX.
+      const compactCredential = credential.replace(/[\s-]/g, "");
+      const pairingCredential = PAIRING_TOKEN_PATTERN.test(compactCredential)
+        ? compactCredential.toUpperCase()
         : (parseMcpApprovalCode(credential)?.code ?? credential);
 
       // Check scopes in the UPDATE so rejected requests cannot spend one-time links.