Restructure passkey routes to me.passkeys namespace

- Remove createPasskey since verifyRegistration handles adding passkeys
- Move listPasskeys → me.passkeys.list
- Move renamePasskey → me.passkeys.rename
- Move deletePasskey → me.passkeys.delete

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

packages/api-contract/src/contract.ts

@@ -115,19 +115,15 @@ export const contract = oc.router({
 
     // Authentication settings
     setPassword: oc.input(setPasswordInputSchema).output(z.void()),
-    listPasskeys: oc.output(z.array(passkeyOutputSchema)),
-    createPasskey: oc.input(z.object({ name: z.string() })).output(
-      z.object({
-        challengeId: z.number(),
-        options: z.custom<PublicKeyCredentialCreationOptionsJSON>(),
-      }),
-    ),
-    renamePasskey: oc
-      .input(z.object({ passkeyId: z.number(), name: z.string() }))
-      .output(z.void()),
-    deletePasskey: oc
-      .input(z.object({ passkeyId: z.number() }))
-      .output(z.void()),
+
+    // Passkeys
+    passkeys: oc.router({
+      list: oc.output(z.array(passkeyOutputSchema)),
+      rename: oc
+        .input(z.object({ passkeyId: z.number(), name: z.string() }))
+        .output(z.void()),
+      delete: oc.input(z.object({ passkeyId: z.number() })).output(z.void()),
+    }),
 
     // Sessions & devices
     listSessions: oc.output(z.array(sessionOutputSchema)),