feat(user): rename to identity

feat(identity): add getIota function with caching

packages/tauth/package.json

@@ -19,7 +19,7 @@
     "@tensamin/shared": "workspace:*",
     "@tensamin/storage": "workspace:*",
     "@tensamin/tauri": "workspace:*",
-    "@tensamin/user": "workspace:*",
+    "@tensamin/identity": "workspace:*",
     "react": "^19.2.8",
     "react-dom": "^19.2.8"
   }

packages/tauth/src/context.tsx

@@ -1,7 +1,7 @@
 import { type ReactNode } from "react";
 /**
 import { useEffect, useState, type ReactNode } from "react";
-import { useUser } from "@tensamin/user/context";
+import { useUser } from "@tensamin/identity/context";
 import { useStorage } from "@tensamin/storage/context";
 import {
   Button,