fix buttons

bug-fixes for ui

src/app.css

@@ -251,13 +251,13 @@ button:disabled, .button:disabled {
   cursor: not-allowed;
 }
 
-.btn-primary, .login-button, .save-button, .view-button, .search-button, .create-file-button, .create-branch-button, .create-tag-button, .create-issue-button, .create-pr-button, .add-comment-btn, .reply-btn {
+.btn-primary, .login-button, .save-button, .search-button, .create-file-button, .create-branch-button, .create-tag-button, .create-issue-button, .create-pr-button, .add-comment-btn, .reply-btn {
   background: var(--button-primary);
   color: white;
   border: none;
 }
 
-.btn-primary:hover:not(:disabled), .login-button:hover:not(:disabled), .save-button:hover:not(:disabled), .view-button:hover, .search-button:hover:not(:disabled), .create-file-button:hover, .create-branch-button:hover, .create-tag-button:hover, .create-issue-button:hover, .create-pr-button:hover, .add-comment-btn:hover, .reply-btn:hover {
+.btn-primary:hover:not(:disabled), .login-button:hover:not(:disabled), .save-button:hover:not(:disabled), .search-button:hover:not(:disabled), .create-file-button:hover, .create-branch-button:hover, .create-tag-button:hover, .create-issue-button:hover, .create-pr-button:hover, .add-comment-btn:hover, .reply-btn:hover {
   background: var(--button-primary-hover);
 }
 
@@ -1287,7 +1287,15 @@ label.filter-checkbox > span,
 .register-button {
   background: var(--accent);
   color: var(--accent-text, white);
-  border-color: var(--accent);
+  border: 1px solid var(--accent);
+  padding: 0.5rem 1rem;
+  border-radius: 0.375rem;
+  font-size: 0.875rem;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  text-decoration: none;
+  display: inline-block;
 }
 
 .register-button:hover {

src/lib/components/NavBar.svelte

@@ -105,7 +105,31 @@
     <div class="auth-section">
       <ThemeToggle />
       {#if userPubkey}
+        {@const userNpub = (() => {
+          try {
+            // Check if it's already an npub
+            if (userPubkey.startsWith('npub')) {
+              return userPubkey;
+            }
+            // Try to decode first (might already be npub)
+            try {
+              const decoded = nip19.decode(userPubkey);
+              if (decoded.type === 'npub') {
+                return userPubkey;
+              }
+            } catch {
+              // Not an npub, continue to encode
+            }
+            // Convert hex pubkey to npub
+            return nip19.npubEncode(userPubkey);
+          } catch {
+            // If all fails, return as-is (will be handled by route)
+            return userPubkey;
+          }
+        })()}
+        <a href={`/users/${userNpub}`} class="user-badge-link">
           <UserBadge pubkey={userPubkey} />
+        </a>
         <button onclick={logout} class="logout-button">Logout</button>
       {:else}
         <button onclick={login} class="login-button" disabled={!isNIP07Available()}>
@@ -217,6 +241,17 @@
     flex-shrink: 0;
   }
 
+  .user-badge-link {
+    text-decoration: none;
+    color: inherit;
+    display: flex;
+    align-items: center;
+  }
+
+  .user-badge-link:hover {
+    text-decoration: none;
+  }
+
   .mobile-menu-toggle {
     display: none;
     background: transparent;

src/lib/services/messaging/event-forwarder.ts

@@ -6,10 +6,23 @@
 
 import logger from '../logger.js';
 import type { NostrEvent } from '../../types/nostr.js';
-import { getPreferences } from './preferences-storage.js';
 import { getCachedUserLevel } from '../security/user-level-cache.js';
 import { KIND } from '../../types/nostr.js';
 
+// Lazy import to avoid importing Node.js crypto in browser
+let getPreferences: typeof import('./preferences-storage.js').getPreferences;
+async function getPreferencesLazy() {
+  if (typeof window !== 'undefined') {
+    // Browser environment - event forwarding should be done server-side
+    return null;
+  }
+  if (!getPreferences) {
+    const module = await import('./preferences-storage.js');
+    getPreferences = module.getPreferences;
+  }
+  return getPreferences;
+}
+
 // ============================================================================
 // Types & Interfaces
 // ============================================================================
@@ -584,7 +597,12 @@ export async function forwardEventIfEnabled(
       return;
     }
 
-    const preferences = await getPreferences(userPubkeyHex);
+    const getPreferencesFn = await getPreferencesLazy();
+    if (!getPreferencesFn) {
+      // Browser environment - forwarding should be done server-side via API
+      return;
+    }
+    const preferences = await getPreferencesFn(userPubkeyHex);
     if (!preferences || !preferences.enabled) {
       return;
     }

src/lib/services/messaging/preferences-storage.ts

@@ -8,8 +8,16 @@
  * - Per-user key derivation (master key + pubkey + salt)
  * - AES-256-GCM authenticated encryption
  * - Random IV per encryption
+ * 
+ * NOTE: This module uses Node.js crypto and should only be used server-side.
+ * It will throw an error if imported in browser/client code.
  */
 
+// Ensure this is only used server-side
+if (typeof window !== 'undefined') {
+  throw new Error('preferences-storage.ts uses Node.js crypto and cannot be imported in browser code. Use API endpoints instead.');
+}
+
 import { 
   createCipheriv, 
   createDecipheriv, 

src/routes/repos/+page.svelte

@@ -462,7 +462,7 @@
                         <p class="description">{getRepoDescription(repo)}</p>
                       {/if}
                     </div>
-                    <a href="/repos/{item.npub}/{item.repoName}" class="view-button">
+                    <a href="/repos/{item.npub}/{item.repoName}" class="register-button">
                       View & Edit →
                     </a>
                   </div>
@@ -524,7 +524,7 @@
                       {/if}
                     </div>
                     <div class="repo-actions">
-                      <a href="/repos/{item.npub}/{item.repoName}" class="view-button">
+                      <a href="/repos/{item.npub}/{item.repoName}" class="register-button">
                         View & Edit →
                       </a>
                       {#if canDelete}