feat(sdk): migrate gossip-sdk from Dexie/IndexedDB to wa-sqlite/Drizzle

README.md

@@ -107,7 +107,7 @@ src/
 
 ## Database Schema
 
-Gossip uses Dexie (IndexedDB) for local data storage with the following entities:
+Gossip uses SQLite for local data storage with the following entities:
 
 - **UserProfile**: User account information and blockchain credentials
 - **Contacts**: Contact list with usernames and public keys

eslint.config.js

@@ -8,6 +8,7 @@ export default tseslint.config(
   {
     ignores: [
       'dist',
+      'gossip-sdk/dist',
       'src/assets/generated',
       'gossip-sdk/src/assets/generated',
       'android/**',

gossip-sdk/README.md

@@ -352,15 +352,15 @@ npm test           # Watch mode
 npm run test:run   # Single run
 ```
 
-Tests use `fake-indexeddb` to simulate IndexedDB in Node.js environment.
+Tests use wa-sqlite with in-memory databases for fast, isolated execution.
 
 ## Architecture
 
 ```
 gossip-sdk/
 ├── src/
 │   ├── gossipSdk.ts      # SDK class & factory
-│   ├── db.ts             # Database (Dexie) implementation
+│   ├── db.ts             # Database (SQLite) implementation
 │   ├── contacts.ts       # Contact operations
 │   ├── api/
 │   │   └── messageProtocol/  # REST protocol implementation