implement RSS feed and make some corrections

src/lib/components/layout/Header.svelte

@@ -1,6 +1,5 @@
 <script lang="ts">
   import { sessionManager, type UserSession } from '../../services/auth/session-manager.js';
-  import ThemeToggle from '../preferences/ThemeToggle.svelte';
   import UserPreferences from '../preferences/UserPreferences.svelte';
   import ProfileBadge from '../layout/ProfileBadge.svelte';
 
@@ -41,12 +40,12 @@
         <a href="/feed" class="text-fog-text dark:text-fog-dark-text hover:text-fog-accent dark:hover:text-fog-dark-accent transition-colors">Feed</a>
         {#if isLoggedIn}
           <a href="/write" class="text-fog-text dark:text-fog-dark-text hover:text-fog-accent dark:hover:text-fog-dark-accent transition-colors">Write</a>
+          <a href="/rss" class="text-fog-text dark:text-fog-dark-text hover:text-fog-accent dark:hover:text-fog-dark-accent transition-colors">RSS</a>
         {/if}
       </div>
       <div class="flex flex-wrap gap-2 sm:gap-4 items-center text-sm">
         {#if isLoggedIn && currentPubkey}
           <UserPreferences />
-          <ThemeToggle />
           <ProfileBadge pubkey={currentPubkey} />
           <button 
             onclick={() => sessionManager.clearSession()}
@@ -59,7 +58,6 @@
         {:else}
           <a href="/login" class="text-fog-text dark:text-fog-dark-text hover:text-fog-accent dark:hover:text-fog-dark-accent transition-colors">Login</a>
           <UserPreferences />
-          <ThemeToggle />
         {/if}
       </div>
     </div>

src/lib/components/preferences/UserPreferences.svelte

@@ -1,5 +1,7 @@
 <script lang="ts">
   import { onMount } from 'svelte';
+  import { goto } from '$app/navigation';
+  import { shouldIncludeClientTag, setIncludeClientTag } from '../../services/client-tag-preference.js';
 
   type TextSize = 'small' | 'medium' | 'large';
   type LineSpacing = 'tight' | 'normal' | 'loose';
@@ -8,11 +10,16 @@
   let textSize = $state<TextSize>('medium');
   let lineSpacing = $state<LineSpacing>('normal');
   let contentWidth = $state<ContentWidth>('medium');
+  let isDark = $state(false);
+  let expiringEvents = $state(false);
+  let mediaUploadServer = $state('https://nostr.build');
+  let includeClientTag = $state(true);
   let showPreferences = $state(false);
 
   onMount(() => {
     loadPreferences();
     applyPreferences();
+    loadTheme();
   });
 
   function loadPreferences() {
@@ -21,10 +28,39 @@
     const savedTextSize = localStorage.getItem('aitherboard_textSize') as TextSize | null;
     const savedLineSpacing = localStorage.getItem('aitherboard_lineSpacing') as LineSpacing | null;
     const savedContentWidth = localStorage.getItem('aitherboard_contentWidth') as ContentWidth | null;
+    const savedExpiringEvents = localStorage.getItem('aitherboard_expiringEvents');
+    const savedMediaUploadServer = localStorage.getItem('aitherboard_mediaUploadServer');
 
     if (savedTextSize) textSize = savedTextSize;
     if (savedLineSpacing) lineSpacing = savedLineSpacing;
     if (savedContentWidth) contentWidth = savedContentWidth;
+    if (savedExpiringEvents === 'true') expiringEvents = true;
+    if (savedMediaUploadServer) mediaUploadServer = savedMediaUploadServer;
+    includeClientTag = shouldIncludeClientTag();
+  }
+
+  function loadTheme() {
+    if (typeof window === 'undefined') return;
+    const stored = localStorage.getItem('theme');
+    const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
+    isDark = stored === 'dark' || (!stored && prefersDark);
+    updateTheme();
+  }
+
+  function toggleTheme() {
+    isDark = !isDark;
+    updateTheme();
+  }
+
+  function updateTheme() {
+    if (typeof document === 'undefined') return;
+    if (isDark) {
+      document.documentElement.classList.add('dark');
+      localStorage.setItem('theme', 'dark');
+    } else {
+      document.documentElement.classList.remove('dark');
+      localStorage.setItem('theme', 'light');
+    }
   }
 
   function savePreferences() {
@@ -33,6 +69,9 @@
     localStorage.setItem('aitherboard_textSize', textSize);
     localStorage.setItem('aitherboard_lineSpacing', lineSpacing);
     localStorage.setItem('aitherboard_contentWidth', contentWidth);
+    localStorage.setItem('aitherboard_expiringEvents', expiringEvents ? 'true' : 'false');
+    localStorage.setItem('aitherboard_mediaUploadServer', mediaUploadServer);
+    setIncludeClientTag(includeClientTag);
 
     applyPreferences();
   }
@@ -42,7 +81,7 @@
 
     const root = document.documentElement;
 
-    // Text size - set both CSS variable and data attribute
+    // Text size
     const textSizes = {
       small: '14px',
       medium: '16px',
@@ -51,7 +90,7 @@
     root.style.setProperty('--text-size', textSizes[textSize]);
     root.setAttribute('data-text-size', textSize);
 
-    // Line spacing - set both CSS variable and data attribute
+    // Line spacing
     const lineSpacings = {
       tight: '1.4',
       normal: '1.6',
@@ -60,7 +99,7 @@
     root.style.setProperty('--line-height', lineSpacings[lineSpacing]);
     root.setAttribute('data-line-spacing', lineSpacing);
 
-    // Content width - set CSS variable and data attribute
+    // Content width
     const contentWidths = {
       narrow: '600px',
       medium: '800px',
@@ -70,14 +109,37 @@
     root.setAttribute('data-content-width', contentWidth);
   }
 
+  function handleMediaUploadServerChange(e: Event) {
+    const target = e.target as HTMLInputElement;
+    mediaUploadServer = target.value;
+    savePreferences();
+  }
+
+  function handleManageCache() {
+    showPreferences = false;
+    goto('/cache');
+  }
+
   $effect(() => {
     savePreferences();
   });
+
+  $effect(() => {
+    if (showPreferences) {
+      const handleEscape = (e: KeyboardEvent) => {
+        if (e.key === 'Escape') {
+          showPreferences = false;
+        }
+      };
+      document.addEventListener('keydown', handleEscape);
+      return () => document.removeEventListener('keydown', handleEscape);
+    }
+  });
 </script>
 
 <button
   onclick={() => (showPreferences = !showPreferences)}
-  class="px-3 py-1 rounded border border-fog-border dark:border-fog-dark-border bg-fog-post dark:bg-fog-dark-post text-fog-text dark:text-fog-dark-text hover:bg-fog-highlight dark:hover:bg-fog-dark-highlight transition-colors"
+  class="preferences-button"
   title="User Preferences"
   aria-label="User Preferences"
 >
@@ -85,113 +147,182 @@
 </button>
 
 {#if showPreferences}
+  <!-- Backdrop -->
   <div 
-    class="preferences-modal" 
-    onclick={(e) => e.target === e.currentTarget && (showPreferences = false)}
-    onkeydown={(e) => {
-      if (e.key === 'Escape') {
-        e.preventDefault();
-        showPreferences = false;
-      }
-    }}
-    role="dialog"
-    aria-modal="true"
-    aria-labelledby="preferences-title"
-    tabindex="-1"
-  >
-    <div class="preferences-content">
-      <div class="preferences-header">
-        <h2 id="preferences-title">User Preferences</h2>
-        <button onclick={() => (showPreferences = false)} class="close-button" aria-label="Close preferences">×</button>
+    class="preferences-backdrop" 
+    onclick={() => (showPreferences = false)}
+    role="presentation"
+  ></div>
+
+  <!-- Panel -->
+  <div class="preferences-panel" role="dialog" aria-modal="true" aria-labelledby="preferences-title">
+    <div class="preferences-header">
+      <h2 id="preferences-title">Preferences</h2>
+      <button onclick={() => (showPreferences = false)} class="close-button" aria-label="Close preferences">×</button>
+    </div>
+
+    <div class="preferences-body">
+      <!-- Theme Toggle -->
+      <fieldset class="preference-group">
+        <legend class="preference-label">Theme</legend>
+        <div class="preference-options" role="group" aria-label="Theme">
+          <button
+            onclick={toggleTheme}
+            class="preference-option theme-toggle"
+            aria-pressed={isDark}
+          >
+            <span class="emoji emoji-grayscale">{#if isDark}☀️{:else}🌙{/if}</span>
+            <span>{isDark ? 'Light' : 'Dark'} Mode</span>
+          </button>
+        </div>
+      </fieldset>
+
+      <!-- Text Size -->
+      <fieldset class="preference-group">
+        <legend class="preference-label">Text Size</legend>
+        <div class="preference-options" role="group" aria-label="Text Size">
+          <button
+            onclick={() => (textSize = 'small')}
+            class="preference-option {textSize === 'small' ? 'active' : ''}"
+            aria-pressed={textSize === 'small'}
+          >
+            Small
+          </button>
+          <button
+            onclick={() => (textSize = 'medium')}
+            class="preference-option {textSize === 'medium' ? 'active' : ''}"
+            aria-pressed={textSize === 'medium'}
+          >
+            Medium
+          </button>
+          <button
+            onclick={() => (textSize = 'large')}
+            class="preference-option {textSize === 'large' ? 'active' : ''}"
+            aria-pressed={textSize === 'large'}
+          >
+            Large
+          </button>
+        </div>
+      </fieldset>
+
+      <!-- Line Spacing -->
+      <fieldset class="preference-group">
+        <legend class="preference-label">Line Spacing</legend>
+        <div class="preference-options" role="group" aria-label="Line Spacing">
+          <button
+            onclick={() => (lineSpacing = 'tight')}
+            class="preference-option {lineSpacing === 'tight' ? 'active' : ''}"
+            aria-pressed={lineSpacing === 'tight'}
+          >
+            Tight
+          </button>
+          <button
+            onclick={() => (lineSpacing = 'normal')}
+            class="preference-option {lineSpacing === 'normal' ? 'active' : ''}"
+            aria-pressed={lineSpacing === 'normal'}
+          >
+            Normal
+          </button>
+          <button
+            onclick={() => (lineSpacing = 'loose')}
+            class="preference-option {lineSpacing === 'loose' ? 'active' : ''}"
+            aria-pressed={lineSpacing === 'loose'}
+          >
+            Loose
+          </button>
+        </div>
+      </fieldset>
+
+      <!-- Expiring Events -->
+      <fieldset class="preference-group">
+        <legend class="preference-label">Event Expiration</legend>
+        <label class="checkbox-label">
+          <input
+            type="checkbox"
+            bind:checked={expiringEvents}
+            class="checkbox-input"
+          />
+          <span>Create expiring events (6 months: kinds 7, 1, 30315)</span>
+        </label>
+        <p class="preference-help">Adds a 6-month expiration timestamp to created events of the specified kinds.</p>
+      </fieldset>
+
+      <!-- Include Client Tag -->
+      <fieldset class="preference-group">
+        <legend class="preference-label">Client Tag</legend>
+        <label class="checkbox-label">
+          <input
+            type="checkbox"
+            bind:checked={includeClientTag}
+            class="checkbox-input"
+          />
+          <span>Include client tag</span>
+        </label>
+        <p class="preference-help">Include NIP-89 client tag in published events to identify the client used.</p>
+      </fieldset>
+
+      <!-- Media Upload Server -->
+      <fieldset class="preference-group">
+        <legend class="preference-label">Media Upload Server</legend>
+        <input
+          type="text"
+          bind:value={mediaUploadServer}
+          oninput={handleMediaUploadServerChange}
+          placeholder="https://nostr.build"
+          class="text-input"
+        />
+        <p class="preference-help">Preferred server for uploading media files (NIP-96).</p>
+      </fieldset>
+
+      <!-- Manage Cache Button -->
+      <div class="preference-group">
+        <button
+          onclick={handleManageCache}
+          class="manage-cache-button"
+        >
+          Manage Cache
+        </button>
       </div>
+    </div>
 
-      <div class="preferences-body">
-        <fieldset class="preference-group">
-          <legend class="preference-label">Text Size</legend>
-          <div class="preference-options" role="group" aria-label="Text Size">
-            <button
-              onclick={() => (textSize = 'small')}
-              class="preference-option {textSize === 'small' ? 'active' : ''}"
-              aria-pressed={textSize === 'small'}
-            >
-              Small
-            </button>
-            <button
-              onclick={() => (textSize = 'medium')}
-              class="preference-option {textSize === 'medium' ? 'active' : ''}"
-              aria-pressed={textSize === 'medium'}
-            >
-              Medium
-            </button>
-            <button
-              onclick={() => (textSize = 'large')}
-              class="preference-option {textSize === 'large' ? 'active' : ''}"
-              aria-pressed={textSize === 'large'}
-            >
-              Large
-            </button>
-          </div>
-        </fieldset>
-
-        <fieldset class="preference-group">
-          <legend class="preference-label">Line Spacing</legend>
-          <div class="preference-options" role="group" aria-label="Line Spacing">
-            <button
-              onclick={() => (lineSpacing = 'tight')}
-              class="preference-option {lineSpacing === 'tight' ? 'active' : ''}"
-              aria-pressed={lineSpacing === 'tight'}
-            >
-              Tight
-            </button>
-            <button
-              onclick={() => (lineSpacing = 'normal')}
-              class="preference-option {lineSpacing === 'normal' ? 'active' : ''}"
-              aria-pressed={lineSpacing === 'normal'}
-            >
-              Normal
-            </button>
-            <button
-              onclick={() => (lineSpacing = 'loose')}
-              class="preference-option {lineSpacing === 'loose' ? 'active' : ''}"
-              aria-pressed={lineSpacing === 'loose'}
-            >
-              Loose
-            </button>
-          </div>
-        </fieldset>
-
-        <fieldset class="preference-group">
-          <legend class="preference-label">Content Width</legend>
-          <div class="preference-options" role="group" aria-label="Content Width">
-            <button
-              onclick={() => (contentWidth = 'narrow')}
-              class="preference-option {contentWidth === 'narrow' ? 'active' : ''}"
-              aria-pressed={contentWidth === 'narrow'}
-            >
-              Narrow
-            </button>
-            <button
-              onclick={() => (contentWidth = 'medium')}
-              class="preference-option {contentWidth === 'medium' ? 'active' : ''}"
-              aria-pressed={contentWidth === 'medium'}
-            >
-              Medium
-            </button>
-            <button
-              onclick={() => (contentWidth = 'wide')}
-              class="preference-option {contentWidth === 'wide' ? 'active' : ''}"
-              aria-pressed={contentWidth === 'wide'}
-            >
-              Wide
-            </button>
-          </div>
-        </fieldset>
+    <!-- About Section -->
+    <div class="preferences-footer">
+      <div class="about-section">
+        <h3 class="about-title">About</h3>
+        <p class="about-text">
+          Aitherboard is a decentralized discussion board built on Nostr. 
+          Brought to you by <a href="/profile/fd208ee8c8f283780a9552896e4823cc9dc6bfd442063889577106940fd927c1" class="about-link">Silberengel</a>.
+        </p>
       </div>
     </div>
   </div>
 {/if}
 
 <style>
+  .preferences-button {
+    padding: 0.5rem 0.75rem;
+    border-radius: 0.25rem;
+    border: 1px solid var(--fog-border, #e5e7eb);
+    background: var(--fog-post, #ffffff);
+    color: var(--fog-text, #1f2937);
+    cursor: pointer;
+    transition: all 0.2s;
+  }
+
+  :global(.dark) .preferences-button {
+    border-color: var(--fog-dark-border, #374151);
+    background: var(--fog-dark-post, #1f2937);
+    color: var(--fog-dark-text, #f9fafb);
+  }
+
+  .preferences-button:hover {
+    background: var(--fog-highlight, #f3f4f6);
+  }
+
+  :global(.dark) .preferences-button:hover {
+    background: var(--fog-dark-highlight, #374151);
+  }
+
   .emoji {
     font-size: 1rem;
     line-height: 1;
@@ -199,11 +330,7 @@
     filter: grayscale(100%);
   }
 
-  button:hover .emoji {
-    filter: grayscale(80%);
-  }
-
-  .preferences-modal {
+  .preferences-backdrop {
     position: fixed;
     top: 0;
     left: 0;
@@ -211,26 +338,48 @@
     bottom: 0;
     background: rgba(0, 0, 0, 0.5);
     backdrop-filter: blur(4px);
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    z-index: 1000;
+    z-index: 999;
+    animation: fadeIn 0.2s ease-out;
   }
 
-  .preferences-content {
+  .preferences-panel {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 320px;
+    height: 100vh;
     background: var(--fog-post, #ffffff);
-    border: 1px solid var(--fog-border, #e5e7eb);
-    border-radius: 8px;
-    max-width: 500px;
-    width: 90%;
-    max-height: 80vh;
-    overflow: auto;
-    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
+    border-right: 1px solid var(--fog-border, #e5e7eb);
+    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
+    z-index: 1000;
+    display: flex;
+    flex-direction: column;
+    animation: slideIn 0.3s ease-out;
+    overflow: hidden;
   }
 
-  :global(.dark) .preferences-content {
+  :global(.dark) .preferences-panel {
     background: var(--fog-dark-post, #1f2937);
-    border-color: var(--fog-dark-border, #374151);
+    border-right-color: var(--fog-dark-border, #374151);
+    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
+  }
+
+  @keyframes slideIn {
+    from {
+      transform: translateX(-100%);
+    }
+    to {
+      transform: translateX(0);
+    }
+  }
+
+  @keyframes fadeIn {
+    from {
+      opacity: 0;
+    }
+    to {
+      opacity: 1;
+    }
   }
 
   .preferences-header {
@@ -239,12 +388,24 @@
     align-items: center;
     padding: 1rem;
     border-bottom: 1px solid var(--fog-border, #e5e7eb);
+    flex-shrink: 0;
   }
 
   :global(.dark) .preferences-header {
     border-bottom-color: var(--fog-dark-border, #374151);
   }
 
+  .preferences-header h2 {
+    margin: 0;
+    font-size: 1.25rem;
+    font-weight: 600;
+    color: var(--fog-text, #1f2937);
+  }
+
+  :global(.dark) .preferences-header h2 {
+    color: var(--fog-dark-text, #f9fafb);
+  }
+
   .close-button {
     background: none;
     border: none;
@@ -253,10 +414,30 @@
     padding: 0;
     width: 2rem;
     height: 2rem;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    color: var(--fog-text, #1f2937);
+    border-radius: 0.25rem;
+    transition: background 0.2s;
+  }
+
+  :global(.dark) .close-button {
+    color: var(--fog-dark-text, #f9fafb);
+  }
+
+  .close-button:hover {
+    background: var(--fog-highlight, #f3f4f6);
+  }
+
+  :global(.dark) .close-button:hover {
+    background: var(--fog-dark-highlight, #374151);
   }
 
   .preferences-body {
     padding: 1rem;
+    overflow-y: auto;
+    flex: 1;
   }
 
   .preference-group {
@@ -271,6 +452,7 @@
     margin-bottom: 0.5rem;
     color: var(--fog-text, #1f2937);
     padding: 0;
+    font-size: 0.875rem;
   }
 
   :global(.dark) .preference-label {
@@ -282,22 +464,6 @@
     flex-wrap: wrap;
     gap: 0.5rem;
   }
-  
-  @media (max-width: 768px) {
-    .preferences-content {
-      width: 95%;
-      max-height: 90vh;
-    }
-    
-    .preference-options {
-      gap: 0.375rem;
-    }
-    
-    .preference-option {
-      padding: 0.5rem 0.75rem;
-      font-size: 0.875rem;
-    }
-  }
 
   .preference-option {
     padding: 0.5rem 1rem;
@@ -307,6 +473,13 @@
     color: var(--fog-text, #1f2937);
     cursor: pointer;
     transition: all 0.2s;
+    font-size: 0.875rem;
+  }
+
+  .preference-option.theme-toggle {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
   }
 
   :global(.dark) .preference-option {
@@ -326,13 +499,136 @@
 
   .preference-option.active {
     background: var(--fog-accent, #64748b);
-    color: var(--fog-text, #475569);
+    color: white;
     border-color: var(--fog-accent, #64748b);
   }
 
   :global(.dark) .preference-option.active {
-    background: var(--fog-dark-accent, #64748b);
-    color: var(--fog-dark-text, #cbd5e1);
-    border-color: var(--fog-dark-accent, #64748b);
+    background: var(--fog-dark-accent, #94a3b8);
+    color: var(--fog-dark-text, #1f2937);
+    border-color: var(--fog-dark-accent, #94a3b8);
+  }
+
+  .checkbox-label {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    cursor: pointer;
+    color: var(--fog-text, #1f2937);
+    font-size: 0.875rem;
+  }
+
+  :global(.dark) .checkbox-label {
+    color: var(--fog-dark-text, #f9fafb);
+  }
+
+  .checkbox-input {
+    width: 1rem;
+    height: 1rem;
+    cursor: pointer;
+  }
+
+  .preference-help {
+    margin: 0.5rem 0 0 0;
+    font-size: 0.75rem;
+    color: var(--fog-text-light, #6b7280);
+    font-style: italic;
+  }
+
+  :global(.dark) .preference-help {
+    color: var(--fog-dark-text-light, #9ca3af);
+  }
+
+  .text-input {
+    width: 100%;
+    padding: 0.5rem;
+    border: 1px solid var(--fog-border, #e5e7eb);
+    border-radius: 0.25rem;
+    background: var(--fog-post, #ffffff);
+    color: var(--fog-text, #1f2937);
+    font-size: 0.875rem;
+  }
+
+  :global(.dark) .text-input {
+    border-color: var(--fog-dark-border, #374151);
+    background: var(--fog-dark-post, #1f2937);
+    color: var(--fog-dark-text, #f9fafb);
+  }
+
+  .manage-cache-button {
+    width: 100%;
+    padding: 0.75rem;
+    border: 1px solid var(--fog-border, #e5e7eb);
+    border-radius: 0.25rem;
+    background: var(--fog-accent, #64748b);
+    color: white;
+    cursor: pointer;
+    font-size: 0.875rem;
+    font-weight: 500;
+    transition: opacity 0.2s;
+  }
+
+  :global(.dark) .manage-cache-button {
+    border-color: var(--fog-dark-border, #374151);
+    background: var(--fog-dark-accent, #94a3b8);
+  }
+
+  .manage-cache-button:hover {
+    opacity: 0.9;
+  }
+
+  .preferences-footer {
+    padding: 1rem;
+    border-top: 1px solid var(--fog-border, #e5e7eb);
+    flex-shrink: 0;
+  }
+
+  :global(.dark) .preferences-footer {
+    border-top-color: var(--fog-dark-border, #374151);
+  }
+
+  .about-section {
+    font-size: 0.75rem;
+  }
+
+  .about-title {
+    margin: 0 0 0.5rem 0;
+    font-size: 0.875rem;
+    font-weight: 600;
+    color: var(--fog-text, #1f2937);
+  }
+
+  :global(.dark) .about-title {
+    color: var(--fog-dark-text, #f9fafb);
+  }
+
+  .about-text {
+    margin: 0;
+    color: var(--fog-text-light, #6b7280);
+    line-height: 1.5;
+  }
+
+  :global(.dark) .about-text {
+    color: var(--fog-dark-text-light, #9ca3af);
+  }
+
+  .about-link {
+    color: var(--fog-accent, #64748b);
+    text-decoration: underline;
+  }
+
+  :global(.dark) .about-link {
+    color: var(--fog-dark-accent, #94a3b8);
+  }
+
+  .about-link:hover {
+    opacity: 0.8;
+  }
+
+  @media (max-width: 768px) {
+    .preferences-panel {
+      width: 100%;
+      max-width: 320px;
+    }
   }
 </style>

src/lib/components/write/CreateEventForm.svelte

@@ -21,6 +21,7 @@
     { value: 30041, label: '30041 - AsciiDoc' },
     { value: 30040, label: '30040 - Event Index (metadata-only)' },
     { value: 1068, label: '1068 - Poll' },
+    { value: 10895, label: '10015 - RSS Feed' },
     { value: -1, label: 'Unknown Kind' }
   ];
 
@@ -45,7 +46,15 @@
     }
   });
 
+  // Clear content for metadata-only kinds
+  $effect(() => {
+    if (selectedKind === 30040 || selectedKind === 10895) {
+      content = '';
+    }
+  });
+
   const isKind30040 = $derived(selectedKind === 30040);
+  const isKind10895 = $derived(selectedKind === 10895);
   const isUnknownKind = $derived(selectedKind === -1);
   const effectiveKind = $derived(isUnknownKind ? (parseInt(customKindId) || 1) : selectedKind);
 
@@ -112,6 +121,11 @@
           description: 'A poll event. Content is the poll label/question. Options and settings are in tags.',
           suggestedTags: ['option (optionId, label)', 'relay (one or more)', 'polltype (singlechoice|multiplechoice)', 'endsAt (unix timestamp)']
         };
+      case 10895:
+        return {
+          description: 'RSS Feed subscription event. Lists external RSS feeds to subscribe to. Content should be empty.',
+          suggestedTags: ['u (RSS feed URL, repeat for multiple feeds)']
+        };
       default:
         return {
           description: `Custom kind ${kind}. Refer to the relevant NIP specification for tag requirements.`,
@@ -321,6 +335,19 @@
           id: '...',
           sig: '...'
         }, null, 2);
+      case 10895:
+        return JSON.stringify({
+          kind: 10895,
+          pubkey: examplePubkey,
+          created_at: timestamp,
+          content: '',
+          tags: [
+            ['u', 'https://example.com/feed.rss'],
+            ['u', 'https://another-site.com/rss.xml']
+          ],
+          id: '...',
+          sig: '...'
+        }, null, 2);
       default:
         return JSON.stringify({
           kind: kind,
@@ -493,7 +520,7 @@
       {/if}
     </div>
     
-    {#if !isKind30040}
+    {#if !isKind30040 && !isKind10895}
       <div class="form-group">
         <label for="content-textarea" class="form-label">Content</label>
         <textarea

src/lib/modules/comments/CommentForm.svelte

@@ -10,6 +10,7 @@
   import { insertTextAtCursor } from '../../services/text-utils.js';
   import type { NostrEvent } from '../../types/nostr.js';
   import { KIND } from '../../types/kind-lookup.js';
+  import { shouldIncludeClientTag } from '../../services/client-tag-preference.js';
 
   interface Props {
     threadId: string; // The root event ID
@@ -23,7 +24,6 @@
 
   let content = $state('');
   let publishing = $state(false);
-  let includeClientTag = $state(true);
   let showStatusModal = $state(false);
   let publicationResults: { success: string[]; failed: Array<{ relay: string; error: string }> } | null = $state(null);
   let showGifPicker = $state(false);
@@ -113,7 +113,7 @@
         }
       }
 
-      if (includeClientTag) {
+      if (shouldIncludeClientTag()) {
         tags.push(['client', 'Aitherboard']);
       }
 
@@ -219,16 +219,7 @@
     {/if}
   </div>
 
-  <div class="flex items-center justify-between mt-2">
-    <label class="flex items-center gap-2 text-sm text-fog-text-light dark:text-fog-dark-text-light opacity-70">
-      <input
-        type="checkbox"
-        bind:checked={includeClientTag}
-        class="rounded client-tag-checkbox"
-      />
-      Include client tag
-    </label>
-
+  <div class="flex items-center justify-end mt-2">
     <div class="flex gap-2">
       {#if onCancel}
         <button

src/lib/modules/reactions/FeedReactionButtons.svelte

@@ -9,6 +9,7 @@
   import { resolveCustomEmojis, fetchEmojiSet, resolveEmojiShortcode } from '../../services/nostr/nip30-emoji.js';
   import EmojiPicker from '../../components/content/EmojiPicker.svelte';
   import emojiData from 'unicode-emoji-json/data-ordered-emoji.json';
+  import { shouldIncludeClientTag } from '../../services/client-tag-preference.js';
 
   interface Props {
     event: NostrEvent;
@@ -481,7 +482,7 @@
         ['k', event.kind.toString()]
       ];
 
-      if (sessionManager.getCurrentPubkey() && includeClientTag) {
+      if (sessionManager.getCurrentPubkey() && shouldIncludeClientTag()) {
         tags.push(['client', 'Aitherboard']);
       }
 
@@ -632,7 +633,6 @@
     }
   });
 
-  let includeClientTag = $state(true);
   const isLoggedIn = $derived(sessionManager.isLoggedIn());
 </script>
 

src/lib/modules/reactions/ReactionButtons.svelte

@@ -5,6 +5,7 @@
   import { onMount } from 'svelte';
   import type { NostrEvent } from '../../types/nostr.js';
   import { KIND } from '../../types/kind-lookup.js';
+  import { shouldIncludeClientTag } from '../../services/client-tag-preference.js';
 
   interface Props {
     event: NostrEvent; // The event to react to (kind 11 or 1111)
@@ -121,7 +122,7 @@
         ['k', event.kind.toString()]
       ];
 
-      if (sessionManager.getCurrentPubkey() && includeClientTag) {
+      if (sessionManager.getCurrentPubkey() && shouldIncludeClientTag()) {
         tags.push(['client', 'Aitherboard']);
       }
 
@@ -164,7 +165,6 @@
     return reactions.get(content)?.pubkeys.size || 0;
   }
 
-  let includeClientTag = $state(true);
   const isLoggedIn = $derived(sessionManager.isLoggedIn());
 </script>
 

src/lib/services/client-tag-preference.ts

@@ -0,0 +1,26 @@
+/**
+ * Client tag preference utility
+ * Manages the global preference for including client tags in events
+ */
+
+const STORAGE_KEY = 'aitherboard_includeClientTag';
+
+/**
+ * Get the current preference for including client tags
+ * @returns true if client tags should be included (default: true)
+ */
+export function shouldIncludeClientTag(): boolean {
+  if (typeof window === 'undefined') return true;
+  const stored = localStorage.getItem(STORAGE_KEY);
+  // Default to true if not set
+  return stored === null || stored === 'true';
+}
+
+/**
+ * Set the preference for including client tags
+ * @param include - Whether to include client tags
+ */
+export function setIncludeClientTag(include: boolean): void {
+  if (typeof window === 'undefined') return;
+  localStorage.setItem(STORAGE_KEY, include ? 'true' : 'false');
+}

src/lib/services/event-expiration.ts

@@ -0,0 +1,32 @@
+/**
+ * Event expiration utility service
+ * Handles logic for adding expiration tags to events
+ */
+
+/**
+ * Check if an event kind should have an expiration tag added
+ * @param kind - The event kind number
+ * @returns true if the kind should have expiration (kinds 7, 1, 30315)
+ */
+export function shouldAddExpiration(kind: number): boolean {
+  return kind === 7 || kind === 1 || kind === 30315;
+}
+
+/**
+ * Get the expiration timestamp (6 months from now)
+ * @returns Unix timestamp in seconds
+ */
+export function getExpirationTimestamp(): number {
+  const sixMonthsInSeconds = 6 * 30 * 24 * 60 * 60; // 6 months = 15552000 seconds
+  return Math.floor(Date.now() / 1000) + sixMonthsInSeconds;
+}
+
+/**
+ * Check if expiring events are enabled in user preferences
+ * @returns true if the user has enabled expiring events
+ */
+export function hasExpiringEventsEnabled(): boolean {
+  if (typeof window === 'undefined') return false;
+  const stored = localStorage.getItem('aitherboard_expiringEvents');
+  return stored === 'true';
+}

src/routes/event/[id]/+page.svelte

@@ -16,6 +16,7 @@
   import { goto } from '$app/navigation';
   import type { NostrEvent } from '../../../lib/types/nostr.js';
   import { getKindInfo, isReplaceableKind, isParameterizedReplaceableKind, KIND } from '../../../lib/types/kind-lookup.js';
+  import { shouldIncludeClientTag } from '../../../lib/services/client-tag-preference.js';
 
   let event = $state<NostrEvent | null>(null);
   let loading = $state(true);
@@ -194,7 +195,9 @@
       }
       
       // Add client tag (NIP-89)
-      tags.push(['client', 'Aitherboard']);
+      if (shouldIncludeClientTag()) {
+        tags.push(['client', 'Aitherboard']);
+      }
       
       const eventTemplate = {
         kind: KIND.LABEL, // 1985

src/routes/rss/+page.svelte

@@ -0,0 +1,228 @@
+<script lang="ts">
+  import Header from '../../lib/components/layout/Header.svelte';
+  import { sessionManager } from '../../lib/services/auth/session-manager.js';
+  import { nostrClient } from '../../lib/services/nostr/nostr-client.js';
+  import { relayManager } from '../../lib/services/nostr/relay-manager.js';
+  import { onMount } from 'svelte';
+  import { goto } from '$app/navigation';
+  import type { NostrEvent } from '../../lib/types/nostr.js';
+  import { KIND } from '../../lib/types/kind-lookup.js';
+
+  const RSS_FEED_KIND = 10895;
+
+  let currentPubkey = $state<string | null>(null);
+  let rssEvent = $state<NostrEvent | null>(null);
+  let loading = $state(true);
+  let subscribedFeeds = $derived.by(() => {
+    if (!rssEvent) return [];
+    return rssEvent.tags
+      .filter(tag => tag[0] === 'u' && tag[1])
+      .map(tag => tag[1]);
+  });
+
+  onMount(async () => {
+    await nostrClient.initialize();
+    const session = sessionManager.getSession();
+    if (!session) {
+      goto('/login');
+      return;
+    }
+
+    currentPubkey = session.pubkey;
+    await checkRssEvent();
+  });
+
+  async function checkRssEvent() {
+    if (!currentPubkey) return;
+
+    loading = true;
+    try {
+      const relays = relayManager.getProfileReadRelays();
+      const events = await nostrClient.fetchEvents(
+        [{ kinds: [RSS_FEED_KIND], authors: [currentPubkey], limit: 1 }],
+        relays,
+        { useCache: true, cacheResults: true }
+      );
+
+      if (events.length > 0) {
+        rssEvent = events[0];
+      }
+    } catch (error) {
+      console.error('Error checking RSS event:', error);
+    } finally {
+      loading = false;
+    }
+  }
+
+  function handleCreateRss() {
+    goto(`/write?kind=${RSS_FEED_KIND}`);
+  }
+</script>
+
+<Header />
+
+<main class="container mx-auto px-4 py-8">
+  <div class="rss-page">
+    <h1 class="text-2xl font-bold mb-4 text-fog-text dark:text-fog-dark-text">RSS Feed</h1>
+
+    {#if loading}
+      <p class="text-fog-text dark:text-fog-dark-text">Loading...</p>
+    {:else if !rssEvent}
+      <div class="rss-setup">
+        <p class="mb-4 text-fog-text dark:text-fog-dark-text">
+          You don't have an RSS feed subscription event yet. Create a kind {RSS_FEED_KIND} event to subscribe to external RSS feeds.
+        </p>
+        <p class="mb-4 text-sm text-fog-text-light dark:text-fog-dark-text-light">
+          Add "u" tags with RSS feed URLs to subscribe to external feeds.
+        </p>
+        <button
+          onclick={handleCreateRss}
+          class="create-rss-button"
+        >
+          Create RSS Feed Subscription Event
+        </button>
+      </div>
+    {:else}
+      <div class="rss-info">
+        <h2 class="text-xl font-semibold mb-4 text-fog-text dark:text-fog-dark-text">Subscribed RSS Feeds</h2>
+        {#if subscribedFeeds.length === 0}
+          <p class="text-fog-text-light dark:text-fog-dark-text-light">
+            No RSS feeds subscribed. Edit your kind {RSS_FEED_KIND} event to add "u" tags with RSS feed URLs.
+          </p>
+        {:else}
+          <ul class="rss-feed-list">
+            {#each subscribedFeeds as feedUrl}
+              <li class="rss-feed-item">
+                <a
+                  href={feedUrl}
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  class="rss-feed-link"
+                >
+                  {feedUrl}
+                </a>
+              </li>
+            {/each}
+          </ul>
+        {/if}
+        <div class="mt-6 pt-6 border-t border-fog-border dark:border-fog-dark-border">
+          <p class="mb-2 text-sm text-fog-text dark:text-fog-dark-text">
+            To add or remove feeds, edit your kind {RSS_FEED_KIND} event.
+          </p>
+          <a
+            href="/write?kind={RSS_FEED_KIND}"
+            class="edit-rss-button"
+          >
+            Edit RSS Feed Event
+          </a>
+        </div>
+      </div>
+    {/if}
+  </div>
+</main>
+
+<style>
+  .rss-page {
+    max-width: 600px;
+  }
+
+  .rss-setup {
+    padding: 2rem;
+    background: var(--fog-post, #ffffff);
+    border: 1px solid var(--fog-border, #e5e7eb);
+    border-radius: 0.5rem;
+  }
+
+  :global(.dark) .rss-setup {
+    background: var(--fog-dark-post, #1f2937);
+    border-color: var(--fog-dark-border, #374151);
+  }
+
+  .create-rss-button {
+    padding: 0.75rem 1.5rem;
+    background: var(--fog-accent, #64748b);
+    color: white;
+    border: none;
+    border-radius: 0.25rem;
+    cursor: pointer;
+    font-size: 0.875rem;
+    font-weight: 500;
+    transition: opacity 0.2s;
+  }
+
+  :global(.dark) .create-rss-button {
+    background: var(--fog-dark-accent, #94a3b8);
+  }
+
+  .create-rss-button:hover {
+    opacity: 0.9;
+  }
+
+  .rss-info {
+    padding: 2rem;
+    background: var(--fog-post, #ffffff);
+    border: 1px solid var(--fog-border, #e5e7eb);
+    border-radius: 0.5rem;
+  }
+
+  :global(.dark) .rss-info {
+    background: var(--fog-dark-post, #1f2937);
+    border-color: var(--fog-dark-border, #374151);
+  }
+
+  .rss-feed-list {
+    list-style: none;
+    padding: 0;
+    margin: 0;
+  }
+
+  .rss-feed-item {
+    padding: 0.75rem;
+    margin-bottom: 0.5rem;
+    background: var(--fog-highlight, #f3f4f6);
+    border: 1px solid var(--fog-border, #e5e7eb);
+    border-radius: 0.25rem;
+  }
+
+  :global(.dark) .rss-feed-item {
+    background: var(--fog-dark-highlight, #374151);
+    border-color: var(--fog-dark-border, #475569);
+  }
+
+  .rss-feed-link {
+    color: var(--fog-accent, #64748b);
+    text-decoration: none;
+    word-break: break-all;
+    font-size: 0.875rem;
+  }
+
+  :global(.dark) .rss-feed-link {
+    color: var(--fog-dark-accent, #94a3b8);
+  }
+
+  .rss-feed-link:hover {
+    text-decoration: underline;
+  }
+
+  .edit-rss-button {
+    display: inline-block;
+    padding: 0.75rem 1.5rem;
+    background: var(--fog-accent, #64748b);
+    color: white;
+    border: none;
+    border-radius: 0.25rem;
+    cursor: pointer;
+    font-size: 0.875rem;
+    font-weight: 500;
+    text-decoration: none;
+    transition: opacity 0.2s;
+  }
+
+  :global(.dark) .edit-rss-button {
+    background: var(--fog-dark-accent, #94a3b8);
+  }
+
+  .edit-rss-button:hover {
+    opacity: 0.9;
+  }
+</style>

src/routes/rss/[pubkey]/+page.server.ts

@@ -0,0 +1,146 @@
+import { nostrClient } from '../../../lib/services/nostr/nostr-client.js';
+import { relayManager } from '../../../lib/services/nostr/relay-manager.js';
+import { getEventsByPubkey } from '../../../lib/services/cache/event-cache.js';
+import { stripMarkdown } from '../../../lib/services/text-utils.js';
+import type { RequestHandler } from './$types';
+import { KIND } from '../../../lib/types/kind-lookup.js';
+
+const RSS_FEED_KIND = 10015;
+
+export const GET: RequestHandler = async ({ params, url }) => {
+  const pubkey = params.pubkey;
+
+  if (!pubkey || !/^[0-9a-f]{64}$/i.test(pubkey)) {
+    return new Response('Invalid pubkey', { status: 400 });
+  }
+
+  try {
+    // Initialize nostr client if needed
+    await nostrClient.initialize();
+
+    // Fetch user's events for RSS feed
+    // Include kinds: 1 (notes), 11 (threads), 30023 (long-form)
+    const relays = relayManager.getFeedReadRelays();
+    const events = await nostrClient.fetchEvents(
+      [
+        {
+          kinds: [KIND.SHORT_TEXT_NOTE, KIND.DISCUSSION_THREAD, 30023],
+          authors: [pubkey],
+          limit: 50
+        }
+      ],
+      relays,
+      { useCache: true, cacheResults: false }
+    );
+
+    // Sort by created_at, newest first
+    const sortedEvents = events.sort((a, b) => b.created_at - a.created_at);
+
+    // Get profile for feed metadata
+    const profileEvents = await nostrClient.fetchEvents(
+      [{ kinds: [KIND.METADATA], authors: [pubkey], limit: 1 }],
+      relays,
+      { useCache: true, cacheResults: false }
+    );
+
+    let profileName = pubkey.substring(0, 16) + '...';
+    let profileAbout = '';
+    let profilePicture = '';
+
+    if (profileEvents.length > 0) {
+      try {
+        const profile = JSON.parse(profileEvents[0].content);
+        profileName = profile.name || profile.display_name || profileName;
+        profileAbout = profile.about || '';
+        profilePicture = profile.picture || '';
+      } catch (e) {
+        // Invalid JSON, use defaults
+      }
+    }
+
+    const baseUrl = url.origin;
+    const feedUrl = `${baseUrl}/rss/${pubkey}.xml`;
+
+    // Generate RSS XML
+    const rssXml = `<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/elements/1.1/">
+  <channel>
+    <title>${escapeXml(profileName)}'s Nostr Feed</title>
+    <link>${baseUrl}/profile/${pubkey}</link>
+    <description>${escapeXml(profileAbout || `Nostr feed for ${profileName}`)}</description>
+    <language>en</language>
+    <lastBuildDate>${new Date().toUTCString()}</lastBuildDate>
+    <generator>Aitherboard</generator>
+    ${profilePicture ? `<image><url>${escapeXml(profilePicture)}</url><title>${escapeXml(profileName)}</title><link>${baseUrl}/profile/${pubkey}</link></image>` : ''}
+    ${sortedEvents.map(event => {
+      const title = getEventTitle(event);
+      const content = stripMarkdown(event.content);
+      const description = content.length > 500 ? content.substring(0, 500) + '...' : content;
+      const link = `${baseUrl}/event/${event.id}`;
+      const pubDate = new Date(event.created_at * 1000).toUTCString();
+      const guid = event.id;
+
+      return `    <item>
+      <title>${escapeXml(title)}</title>
+      <link>${escapeXml(link)}</link>
+      <guid isPermaLink="false">${escapeXml(guid)}</guid>
+      <pubDate>${pubDate}</pubDate>
+      <dc:creator>${escapeXml(profileName)}</dc:creator>
+      <description>${escapeXml(description)}</description>
+      <content:encoded><![CDATA[${event.content}]]></content:encoded>
+    </item>`;
+    }).join('\n')}
+  </channel>
+</rss>`;
+
+    return new Response(rssXml, {
+      headers: {
+        'Content-Type': 'application/rss+xml; charset=utf-8',
+        'Cache-Control': 'public, max-age=300'
+      }
+    });
+  } catch (error) {
+    console.error('Error generating RSS feed:', error);
+    return new Response('Error generating RSS feed', { status: 500 });
+  }
+};
+
+function escapeXml(unsafe: string): string {
+  return unsafe
+    .replace(/&/g, '&amp;')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;')
+    .replace(/"/g, '&quot;')
+    .replace(/'/g, '&apos;');
+}
+
+function getEventTitle(event: any): string {
+  // Try to get title from tags
+  const titleTag = event.tags.find((t: string[]) => t[0] === 'title');
+  if (titleTag && titleTag[1]) {
+    return titleTag[1];
+  }
+
+  // For kind 1, use first line or first 100 chars
+  if (event.kind === KIND.SHORT_TEXT_NOTE) {
+    const firstLine = event.content.split('\n')[0];
+    return firstLine.length > 100 ? firstLine.substring(0, 100) + '...' : firstLine || 'Untitled Note';
+  }
+
+  // For kind 11, try to get from content
+  if (event.kind === KIND.DISCUSSION_THREAD) {
+    const firstLine = event.content.split('\n')[0];
+    return firstLine.length > 100 ? firstLine.substring(0, 100) + '...' : firstLine || 'Untitled Thread';
+  }
+
+  // For kind 30023, try title tag or first line
+  if (event.kind === 30023) {
+    const firstLine = event.content.split('\n')[0];
+    if (firstLine.startsWith('# ')) {
+      return firstLine.substring(2);
+    }
+    return firstLine.length > 100 ? firstLine.substring(0, 100) + '...' : firstLine || 'Untitled Article';
+  }
+
+  return 'Untitled';
+}