Release v1.0.0 - Major security upgrade with Argon2id encryption

- Upgrade vault encryption from PBKDF2 (1000 iterations) to Argon2id
  (256MB memory, 8 iterations, 4 threads, ~3 second derivation)
- Add automatic migration from v1 to v2 vault format on unlock
- Add WebAssembly CSP support for hash-wasm Argon2id implementation
- Add NIP-42 relay authentication support for auth-required relays
- Add profile edit feature with pencil icon on identity page
- Add direct NIP-05 validation (removes NDK dependency for validation)
- Add deriving modal with progress timer during key derivation
- Add client tag "plebeian-signer" to profile events
- Fix modal colors (dark theme for visibility)
- Fix NIP-05 badge styling to include check/error indicator
- Add release zip packages for Chrome and Firefox

New files:
- projects/common/src/lib/helpers/argon2-crypto.ts
- projects/common/src/lib/helpers/websocket-auth.ts
- projects/common/src/lib/helpers/nip05-validator.ts
- projects/common/src/lib/components/deriving-modal/
- projects/{chrome,firefox}/src/app/components/profile-edit/
- releases/plebeian-signer-{chrome,firefox}-v1.0.0.zip

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

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

projects/firefox/src/app/components/home/identity/identity.component.html

@@ -1,6 +1,10 @@
 <!-- eslint-disable @angular-eslint/template/interactive-supports-focus -->
+<!-- eslint-disable @angular-eslint/template/click-events-have-key-events -->
 <div class="sam-text-header">
   <span>You</span>
+  <button class="edit-btn" title="Edit profile" (click)="onClickEditProfile()">
+    <img src="edit.svg" alt="Edit" class="edit-icon" />
+  </button>
 </div>
 
 <div class="identity-container">
@@ -22,7 +26,6 @@
       </div>
 
       <!-- Display name (primary, large) -->
-      <!-- eslint-disable-next-line @angular-eslint/template/click-events-have-key-events -->
       <div class="name-badge-container" (click)="onClickShowDetails()">
         <span class="display-name">
           {{ displayName || selectedIdentity?.nick || 'Unknown' }}

projects/firefox/src/app/components/home/identity/identity.component.scss

@@ -3,6 +3,34 @@
   display: flex;
   flex-direction: column;
 
+  .sam-text-header {
+    position: relative;
+
+    .edit-btn {
+      position: absolute;
+      right: var(--size);
+      background: transparent;
+      border: none;
+      padding: 4px;
+      cursor: pointer;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      border-radius: 4px;
+      transition: background-color 0.2s;
+
+      &:hover {
+        background-color: var(--background-light);
+      }
+
+      .edit-icon {
+        width: 20px;
+        height: 20px;
+        filter: brightness(0) invert(1);
+      }
+    }
+  }
+
   .identity-container {
     flex: 1;
     display: flex;
@@ -123,6 +151,7 @@
   }
 
   .nip05-row {
+    @extend %text-badge;
     display: flex;
     flex-direction: row;
     align-items: center;
@@ -134,7 +163,6 @@
   }
 
   .nip05-badge {
-    @extend %text-badge;
     font-size: 13px;
     color: var(--primary);
   }

projects/firefox/src/app/components/home/identity/identity.component.ts

@@ -9,8 +9,8 @@ import {
   StorageService,
   ToastComponent,
   VisualNip05Pipe,
+  validateNip05,
 } from '@common';
-import NDK from '@nostr-dev-kit/ndk';
 
 @Component({
   selector: 'app-identity',
@@ -67,6 +67,13 @@ export class IdentityComponent implements OnInit {
     );
   }
 
+  onClickEditProfile() {
+    if (!this.selectedIdentity) {
+      return;
+    }
+    this.#router.navigateByUrl('/profile-edit');
+  }
+
   async #loadData() {
     try {
       const selectedIdentityId =
@@ -125,28 +132,18 @@ export class IdentityComponent implements OnInit {
     try {
       this.validating = true;
 
-      // Get relays for validation
-      const relays =
-        this.#storage
-          .getBrowserSessionHandler()
-          .browserSessionData?.relays.filter(
-            (x) => x.identityId === this.selectedIdentity?.id
-          ) ?? [];
+      // Direct NIP-05 validation - fetches .well-known/nostr.json directly
+      const result = await validateNip05(nip05, pubkey);
+      this.nip05isValidated = result.valid;
 
-      const relevantRelays = relays.filter((x) => x.write).map((x) => x.url);
-
-      if (relevantRelays.length > 0) {
-        const ndk = new NDK({
-          explicitRelayUrls: relevantRelays,
-        });
-        await ndk.connect();
-        const user = ndk.getUser({ pubkey });
-        this.nip05isValidated = (await user.validateNip05(nip05)) ?? undefined;
+      if (!result.valid) {
+        console.log('NIP-05 validation failed:', result.error);
       }
 
       this.validating = false;
     } catch (error) {
       console.error('NIP-05 validation failed:', error);
+      this.nip05isValidated = false;
       this.validating = false;
     }
   }