Initial commit: Identity management component

- Hierarchical user/device identity system with HD key derivation
- Dependency injection for AsyncStorage and Platform
- Self-contained TypeScript declarations
- Ed25519 keypairs managed by IdentityManager
- Deterministic peer ID generation from BIP39 mnemonic

package.json

@@ -0,0 +1,38 @@
+{
+  "name": "@metatrom/identity",
+  "version": "1.0.0",
+  "main": "index.ts",
+  "type": "module",
+  "description": "Identity management system with hierarchical user-device structure",
+  "metatrom": {
+    "ior": "com.metatrom.identity@1.0.0",
+    "capabilities": {
+      "p2p": true,
+      "contracts": false,
+      "viewer": false,
+      "sync": true
+    }
+  },
+  "exports": {
+    ".": "./index.ts",
+    "./interfaces": "./interfaces/IIdentity.ts",
+    "./implementations": "./implementations/index.ts"
+  },
+  "dependencies": {
+    "@noble/curves": "^1.9.6",
+    "@noble/hashes": "^1.8.0",
+    "@scure/bip32": "^1.7.0",
+    "bip39": "^3.1.0"
+  },
+  "peerDependencies": {
+    "@react-native-async-storage/async-storage": "^2.2.0"
+  },
+  "keywords": [
+    "metatrom",
+    "identity",
+    "p2p",
+    "ed25519",
+    "hd-keys"
+  ],
+  "license": "MIT"
+}