feat: spec to platform

platform/spec/account/strategies.ts

@@ -0,0 +1,33 @@
+import z from "zod";
+
+const EmailStrategySchema = z.object({
+  type: z.literal("email"),
+  value: z.string(),
+});
+
+const PasswordStrategySchema = z.object({
+  type: z.literal("password"),
+  alias: z.string(),
+  password: z.string(),
+});
+
+const PasskeyStrategySchema = z.object({
+  type: z.literal("passkey"),
+  credId: z.string(),
+  credPublicKey: z.string(),
+  webauthnUserId: z.string(),
+  counter: z.number(),
+  backupEligible: z.boolean(),
+  backupStatus: z.boolean(),
+  transports: z.string(),
+  createdAt: z.date(),
+  lastUsed: z.date(),
+});
+
+export const StrategySchema = z.discriminatedUnion("type", [
+  EmailStrategySchema,
+  PasswordStrategySchema,
+  PasskeyStrategySchema,
+]);
+
+export type Strategy = z.infer<typeof StrategySchema>;