Release v1.0.9 - Add wallet tab with Cashu and Lightning support

- Add wallet tab with NWC (Nostr Wallet Connect) Lightning support
- Add Cashu ecash wallet with mint management, send/receive tokens
- Add Cashu deposit feature (mint via Lightning invoice)
- Add token viewer showing proof amounts and timestamps
- Add refresh button with auto-refresh for spent proof detection
- Add browser sync warning for Cashu users on welcome screen
- Add Cashu onboarding info panel with storage considerations
- Add settings page sync info note explaining how to change sync
- Add backups page for vault snapshot management
- Add About section to identity (You) page
- Fix lint accessibility issues in wallet component

Files modified:
- projects/common/src/lib/services/nwc/* (new)
- projects/common/src/lib/services/cashu/* (new)
- projects/common/src/lib/services/storage/* (extended)
- projects/chrome/src/app/components/home/wallet/*
- projects/firefox/src/app/components/home/wallet/*
- projects/chrome/src/app/components/welcome/*
- projects/firefox/src/app/components/welcome/*
- projects/chrome/src/app/components/home/settings/*
- projects/firefox/src/app/components/home/settings/*
- projects/chrome/src/app/components/home/identity/*
- projects/firefox/src/app/components/home/identity/*
- projects/chrome/src/app/components/home/backups/* (new)
- projects/firefox/src/app/components/home/backups/* (new)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

package.json

@@ -1,12 +1,12 @@
 {
   "name": "plebeian-signer",
-  "version": "v1.0.8",
+  "version": "v1.0.9",
   "custom": {
     "chrome": {
-      "version": "v1.0.8"
+      "version": "v1.0.9"
     },
     "firefox": {
-      "version": "v1.0.8"
+      "version": "v1.0.9"
     }
   },
   "scripts": {
@@ -36,13 +36,16 @@
     "@angular/platform-browser": "^19.0.0",
     "@angular/platform-browser-dynamic": "^19.0.0",
     "@angular/router": "^19.0.0",
+    "@cashu/cashu-ts": "^3.2.0",
     "@nostr-dev-kit/ndk": "^2.11.0",
     "@popperjs/core": "^2.11.8",
+    "@types/qrcode": "^1.5.6",
     "bootstrap": "^5.3.3",
     "bootstrap-icons": "^1.11.3",
     "buffer": "^6.0.3",
     "hash-wasm": "^4.11.0",
     "nostr-tools": "^2.10.4",
+    "qrcode": "^1.5.4",
     "rxjs": "~7.8.0",
     "tslib": "^2.3.0",
     "webextension-polyfill": "^0.12.0",
@@ -56,6 +59,7 @@
     "@types/bootstrap": "^5.2.10",
     "@types/chrome": "^0.0.293",
     "@types/jasmine": "~5.1.0",
+    "@types/uuid": "^10.0.0",
     "@types/webextension-polyfill": "^0.12.1",
     "angular-eslint": "19.0.2",
     "eslint": "^9.16.0",